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fd0584d220
312 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Mariusz Tkaczyk
|
78efa53e71 |
leds: Init leds class earlier
NPEM driver will require leds class, there is an init-order conflict. Make sure that LEDs initialization happens first and add comment. Link: https://lore.kernel.org/r/20240904104848.23480-2-mariusz.tkaczyk@linux.intel.com Suggested-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Tested-by: Stuart Hayes <stuart.w.hayes@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> |
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Masahiro Yamada
|
b1992c3772 |
kbuild: use $(src) instead of $(srctree)/$(src) for source directory
Kbuild conventionally uses $(obj)/ for generated files, and $(src)/ for
checked-in source files. It is merely a convention without any functional
difference. In fact, $(obj) and $(src) are exactly the same, as defined
in scripts/Makefile.build:
src := $(obj)
When the kernel is built in a separate output directory, $(src) does
not accurately reflect the source directory location. While Kbuild
resolves this discrepancy by specifying VPATH=$(srctree) to search for
source files, it does not cover all cases. For example, when adding a
header search path for local headers, -I$(srctree)/$(src) is typically
passed to the compiler.
This introduces inconsistency between upstream and downstream Makefiles
because $(src) is used instead of $(srctree)/$(src) for the latter.
To address this inconsistency, this commit changes the semantics of
$(src) so that it always points to the directory in the source tree.
Going forward, the variables used in Makefiles will have the following
meanings:
$(obj) - directory in the object tree
$(src) - directory in the source tree (changed by this commit)
$(objtree) - the top of the kernel object tree
$(srctree) - the top of the kernel source tree
Consequently, $(srctree)/$(src) in upstream Makefiles need to be replaced
with $(src).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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Duje Mihanović
|
041d2a0ea7 |
Revert "leds: Only descend into leds directory when CONFIG_NEW_LEDS is set"
This reverts commit
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Thomas Zimmermann
|
689237ab37 |
fbdev/intelfb: Remove driver
From looking at the PCI IDs, every device supported by intelfb is also supported by i915. Anyone still using intelfb should please move on to i915, which does everything intelfb does but better. Removing intelfb is motivated by the driver's excessive use of the global screen_info state. The state belongs to architecture and firmware code; device drivers should not attempt to access it. But fixing intelfb would require a significant change in the driver's probing logic. As intelfb has been obsolete for nearly 2 decades, it is probably not worth the effort. Let's just remove it. Also remove the related documentation. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Maik Broemme <mbroemme@libmpq.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Linus Torvalds
|
656d88c3b6 |
- removed AR7 platform support
- cleanups and fixes -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAmVMnfAaHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHAnjBAAnz/uhqqZy1aU1Fna1Fr8 AqR3AeA3DfKGpZXY1HttgmZhd6nzktmek5hT1007eEWieYOuR32fin0XflL8KfrA ecPva7WD3FMJRc56yQ1SI836kLKDuAVW+m6AvzqvWron1IyAScUjTtrjmY9ZxLh1 citiMwh8eHK1nT2voBQKzCKoXXsZO+yqvnVNWnGiRRjmYHk9Gpu6kcM5sw5xQWhP jCA+stWY2VQdeTRrNA4pAgqoD0q4RA0Ntzdb8cZGFiFBxdmOlAl6P4t5WusP2shN eIc4uEykWc1utkay4+o+c9dsABiaYPSQvuuVQrx7uFWSL7zEup5TUw46zN9ptxsh CRLEKeJtaJvuUC4WdJRCAB6n7lAjfRtdsALlWv1gU0DWFdJbspv8YExZmBZhqgDM 8LkII39Hvi3oQYAjM9W+/FsPP3BNvIpS07c3hlcuSvbo3cHNzHL6wfNDpPV0TN3L P30LZWybQj+lr2amw38r4zOh5nuz+9eyP7mes8cgorlMfjxv0vIMcg3XT1D3+YJK 7lLKmoHgBab6VNUeUPS92cfCNlb50TQeSMf21Xt/obrhpVGJnLHQ50jg8NaKENyc gwLyvjbf/hIbgJAvKnaRGEcV8COwppcX+U3yEAbXJ2eAvYEXZCU41dH5x3/7WRuB tvlRfkDcu9ddjyQDtZ4yv/M= =g+6E -----END PGP SIGNATURE----- Merge tag 'mips_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS updates from Thomas Bogendoerfer: - removed AR7 platform support - cleanups and fixes * tag 'mips_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: AR7: remove platform watchdog: ar7_wdt: remove driver to prepare for platform removal vlynq: remove bus driver mtd: parsers: ar7: remove support serial: 8250: remove AR7 support arch: mips: remove ReiserFS from defconfig MIPS: lantiq: Remove unnecessary include of <linux/of_irq.h> MIPS: lantiq: Fix pcibios_plat_dev_init() "no previous prototype" warning MIPS: KVM: Fix a build warning about variable set but not used MIPS: Remove dead code in relocate_new_kernel mips: dts: ralink: mt7621: rename to GnuBee GB-PC1 and GnuBee GB-PC2 mips: dts: ralink: mt7621: define each reset as an item mips: dts: ingenic: Remove unneeded probe-type properties MIPS: loongson32: Remove dma.h and nand.h |
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Wolfram Sang
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9a6c782158 |
vlynq: remove bus driver
There are no users with a vlynq_driver in the Kernel tree. Also, only the AR7 platform ever initialized a VLYNQ bus, but AR7 is going to be removed from the Kernel. OpenWRT had some out-of-tree drivers which they probably intended to upport, but AR7 devices are even there not supported anymore because they are "stuck with Kernel 3.18" [1]. This code can go. [1] https://openwrt.org/docs/techref/targets/ar7 Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
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Vadim Fedorenko
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9431063ad3 |
dpll: core: Add DPLL framework base functions
DPLL framework is used to represent and configure DPLL devices in systems. Each device that has DPLL and can configure inputs and outputs can use this framework. Implement core framework functions for further interactions with device drivers implementing dpll subsystem, as well as for interactions of DPLL netlink framework part with the subsystem itself. Co-developed-by: Milena Olech <milena.olech@intel.com> Signed-off-by: Milena Olech <milena.olech@intel.com> Co-developed-by: Michal Michalik <michal.michalik@intel.com> Signed-off-by: Michal Michalik <michal.michalik@intel.com> Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Co-developed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Ulf Hansson
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e2ad626f8f |
pmdomain: Rename the genpd subsystem to pmdomain
It has been pointed out that naming a subsystem "genpd" isn't very self-explanatory and the acronym itself that means Generic PM Domain, is known only by a limited group of people. In a way to improve the situation, let's rename the subsystem to pmdomain, which ideally should indicate that this is about so called Power Domains or "PM domains" as we often also use within the Linux Kernel terminology. Suggested-by: Rafael J. Wysocki <rafael@kernel.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rafael J. Wysocki <rafael@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org |
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Palmer Dabbelt
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c23be918c5
|
Merge patch series "Add non-coherent DMA support for AX45MP"
Prabhakar <prabhakar.csengg@gmail.com> says:
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
non-coherent DMA support for AX45MP
====================================
On the Andes AX45MP core, cache coherency is a specification option so it
may not be supported. In this case DMA will fail. To get around with this
issue this patch series does the below:
1] Andes alternative ports is implemented as errata which checks if the
IOCP is missing and only then applies to CMO errata. One vendor specific
SBI EXT (ANDES_SBI_EXT_IOCP_SW_WORKAROUND) is implemented as part of
errata.
Below are the configs which Andes port provides (and are selected by
RZ/Five):
- ERRATA_ANDES
- ERRATA_ANDES_CMO
OpenSBI patch supporting ANDES_SBI_EXT_IOCP_SW_WORKAROUND SBI is now
part v1.3 release.
2] Andes AX45MP core has a Programmable Physical Memory Attributes (PMA)
block that allows dynamic adjustment of memory attributes in the runtime.
It contains a configurable amount of PMA entries implemented as CSR
registers to control the attributes of memory locations in interest.
OpenSBI configures the PMA regions as required and creates a reserve memory
node and propagates it to the higher boot stack.
Currently OpenSBI (upstream) configures the required PMA region and passes
this a shared DMA pool to Linux.
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
pma_resv0@58000000 {
compatible = "shared-dma-pool";
reg = <0x0 0x58000000 0x0 0x08000000>;
no-map;
linux,dma-default;
};
};
The above shared DMA pool gets appended to Linux DTB so the DMA memory
requests go through this region.
3] We provide callbacks to synchronize specific content between memory and
cache.
4] RZ/Five SoC selects the below configs
- AX45MP_L2_CACHE
- DMA_GLOBAL_POOL
- ERRATA_ANDES
- ERRATA_ANDES_CMO
----------x---------------------x--------------------x---------------x----
* b4-shazam-merge:
soc: renesas: Kconfig: Select the required configs for RZ/Five SoC
cache: Add L2 cache management for Andes AX45MP RISC-V core
dt-bindings: cache: andestech,ax45mp-cache: Add DT binding documentation for L2 cache controller
riscv: mm: dma-noncoherent: nonstandard cache operations support
riscv: errata: Add Andes alternative ports
riscv: asm: vendorid_list: Add Andes Technology to the vendors list
Link: https://lore.kernel.org/r/20230818135723.80612-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Lad Prabhakar
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d34599bcd2
|
cache: Add L2 cache management for Andes AX45MP RISC-V core
I/O Coherence Port (IOCP) provides an AXI interface for connecting external non-caching masters, such as DMA controllers. The accesses from IOCP are coherent with D-Caches and L2 Cache. IOCP is a specification option and is disabled on the Renesas RZ/Five SoC due to this reason IP blocks using DMA will fail. The Andes AX45MP core has a Programmable Physical Memory Attributes (PMA) block that allows dynamic adjustment of memory attributes in the runtime. It contains a configurable amount of PMA entries implemented as CSR registers to control the attributes of memory locations in interest. Below are the memory attributes supported: * Device, Non-bufferable * Device, bufferable * Memory, Non-cacheable, Non-bufferable * Memory, Non-cacheable, Bufferable * Memory, Write-back, No-allocate * Memory, Write-back, Read-allocate * Memory, Write-back, Write-allocate * Memory, Write-back, Read and Write-allocate More info about PMA (section 10.3): Link: http://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf As a workaround for SoCs with IOCP disabled CMO needs to be handled by software. Firstly OpenSBI configures the memory region as "Memory, Non-cacheable, Bufferable" and passes this region as a global shared dma pool as a DT node. With DMA_GLOBAL_POOL enabled all DMA allocations happen from this region and synchronization callbacks are implemented to synchronize when doing DMA transactions. Example PMA region passes as a DT node from OpenSBI: reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; pma_resv0@58000000 { compatible = "shared-dma-pool"; reg = <0x0 0x58000000 0x0 0x08000000>; no-map; linux,dma-default; }; }; Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Tested-by: Conor Dooley <conor.dooley@microchip.com> # tyre-kicking on a d1 Link: https://lore.kernel.org/r/20230818135723.80612-6-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Linus Torvalds
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c66403f627 |
This pull-request adds a new subsystem for genpd providers in drivers/genpd
and starts moving some of the corresponding code in there. We have currently ~60 users of the genpd provider interface, which are sprinkled across various subsystems. To release some burden from the soc maintainers (Arnd Bergmann, etc) in particular, but also to gain a better overall view of what goes on in the area, I will help out with maintenance. -----BEGIN PGP SIGNATURE----- iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmTuFOkXHHVsZi5oYW5z c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCnm1xAA0V9obhgkkODkRcXYF57e7Pmr hBudXI36s5kEIsp9DefveGpsz++z1QlXmllpStr2fyoOZlKafx2wUFF+wkyrAPRM jYm4ZYLB4uP6ji0nfGlZU9wRd7wrxGjybJgrEOxcTBVBQIwItpffnbS2w1B53nzc /trEyazS70ad0nOA8kWD68S2+30b3o2UjKJBgtj8Sljg5mEjupMoeUNzzDhZJzu0 R+kcUQMl2Bkagp7PFyPrRvEIsn+NDPQbjHfdK9JnR9ibL+Ms7UPtuPz6IoXohep+ d5dMNoNuvqentK4BMXNCj9FMeCBxXS1ad+IArI+Rcx8vUCKpjIOazHrNUDMAwjR8 k6JhPVyie8SRRcwSxqVbQWzEiyvEu+2y3m0D69zCYZta51v5hlvCDRLcX3FJ1hBZ d0DzwMeUXlaYNp6dIW+Z9qcI+RUX4rXxjCv2a/xnxKbjtVNBnZc1HxwfAOJZv7Vc xwhXIrTSahUnAArUg4x3WUui79Rj47xyrsRVXfUiXKpehX0iwplCD3OaK8LcPq+d VtR6jgvEiHXvn425k2GuhCgsLBYCT+RunA4oZ7ejzl9FgIS5I7UySWopDa1EKdiR gmVTfnhhd76lCOvYFjqWKInF04SwJJ4Fert8WCSg6SjiLtPHZaiUdCbmFORF/obv Jr6oXMxjQRmsD6DMp+Y= =Vp8b -----END PGP SIGNATURE----- Merge tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm Pull ARM SoC generic power domain driver updates from Ulf Hansson: "This adds a new subsystem for generic power domain providers in drivers/genpd and starts moving some of the corresponding code in there. We have currently ~60 users of the genpd provider interface, which are sprinkled across various subsystems. To release some burden from the soc maintainers (Arnd Bergmann, etc) in particular, but also to gain a better overall view of what goes on in the area, I will help out with maintenance" [ I find the "genpd" name singularly uninformative, so we'll probably end up moving this driver subsystem somewhere else, but that's still being discussed - Linus ] * tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (30 commits) genpd: ti: Use for_each_node_with_property() simplify code logic genpd: Explicitly include correct DT includes genpd: imx: scu-pd: initialize is_off according to HW state genpd: imx: scu-pd: Suppress bind attrs genpd: imx: scu-pd: do not power off console if no_console_suspend genpd: imx: scu-pd: add more PDs genpd: imx: scu-pd: enlarge PD range genpd: imx: relocate scu-pd under genpd MAINTAINERS: adjust file entry in STARFIVE JH71XX PMU CONTROLLER DRIVER genpd: Makefile: build imx genpd: move owl-sps-helper.c from drivers/soc soc: starfive: remove stale Makefile entry ARM: ux500: Move power-domain driver to the genpd dir ARM: ux500: Convert power-domain code into a regular platform driver soc: xilinx: Move power-domain driver to the genpd dir soc: ti: Mover power-domain drivers to the genpd dir soc: tegra: Move powergate-bpmp driver to the genpd dir soc: sunxi: Move power-domain driver to the genpd dir soc: starfive: Move the power-domain driver to the genpd dir soc: samsung: Move power-domain driver to the genpd dir ... |
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Masahiro Yamada
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305b9f4f7b |
s390: use obj-y to descend into drivers/s390/
The single build rule does not work with the drivers-y syntax. [1] Use the standard obj-y syntax. It moves the objects from drivers/s390/ to slightly lower address, but fixes the reported issue. [1]: https://lore.kernel.org/linux-kbuild/d57ba55f-20a3-b836-783d-b49c8a161b6e@kernel.org/T/#m27f781ab60acadfed8a9e9642f30d5414a5e2df3 Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Jiri Slaby <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20230721171358.3612099-1-masahiroy@kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Ulf Hansson
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c1e213e547 |
genpd: Create a new subsystem directory to host genpd providers
There are currently ~60 users of the genpd provider interface, which implementations are sprinkled across various subsystems. To simplify with maintenance let's create a new subsystem (drivers/genpd) and start moving the providers in there. My intention is also to host a git tree to collect and to get the patches tested/integrated through the linux-next tree. Ideally this should release some of the burden on the soc maintainers. Note that, I will of course require acks/reviews from the current platform maintainers, hence the MAINTAINERS file needs to be updated accordingly for each genpd provider that is moved into the new genpd subsystem. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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Nipun Gupta
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2959ab2470 |
cdx: add the cdx bus driver
Introduce AMD CDX bus, which provides a mechanism for scanning and probing CDX devices. These devices are memory mapped on system bus for Application Processors(APUs). CDX devices can be changed dynamically in the Fabric and CDX bus interacts with CDX controller to rescan the bus and rediscover the devices. Signed-off-by: Nipun Gupta <nipun.gupta@amd.com> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com> Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com> Link: https://lore.kernel.org/r/20230313132636.31850-2-nipun.gupta@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
|
498a1cf902 |
Kbuild updates for v6.3
- Change V=1 option to print both short log and full command log.
- Allow V=1 and V=2 to be combined as V=12.
- Make W=1 detect wrong .gitignore files.
- Tree-wide cleanups for unused command line arguments passed to Clang.
- Stop using -Qunused-arguments with Clang.
- Make scripts/setlocalversion handle only correct release tags instead
of any arbitrary annotated tag.
- Create Debian and RPM source packages without cleaning the source tree.
- Various cleanups for packaging.
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Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Change V=1 option to print both short log and full command log
- Allow V=1 and V=2 to be combined as V=12
- Make W=1 detect wrong .gitignore files
- Tree-wide cleanups for unused command line arguments passed to Clang
- Stop using -Qunused-arguments with Clang
- Make scripts/setlocalversion handle only correct release tags instead
of any arbitrary annotated tag
- Create Debian and RPM source packages without cleaning the source
tree
- Various cleanups for packaging
* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
docs: kbuild: remove description of KBUILD_LDS_MODULE
.gitattributes: use 'dts' diff driver for *.dtso files
kbuild: deb-pkg: improve the usability of source package
kbuild: deb-pkg: fix binary-arch and clean in debian/rules
kbuild: tar-pkg: use tar rules in scripts/Makefile.package
kbuild: make perf-tar*-src-pkg work without relying on git
kbuild: deb-pkg: switch over to source format 3.0 (quilt)
kbuild: deb-pkg: make .orig tarball a hard link if possible
kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
kbuild: srcrpm-pkg: create source package without cleaning
kbuild: rpm-pkg: build binary packages from source rpm
kbuild: deb-pkg: create source package without cleaning
kbuild: add a tool to list files ignored by git
Documentation/llvm: add Chimera Linux, Google and Meta datacenters
setlocalversion: use only the correct release tag for git-describe
setlocalversion: clean up the construction of version output
.gitignore: ignore *.cover and *.mbx
kbuild: remove --include-dir MAKEFLAG from top Makefile
kbuild: fix trivial typo in comment
...
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Linus Torvalds
|
7c3dc440b1 |
cxl for v6.3
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL HDM
Decoder Capability to translate the CXL DVSEC Range Registers into
'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of hotplug,
or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug message
improvements.
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Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) updates from Dan Williams:
"To date Linux has been dependent on platform-firmware to map CXL RAM
regions and handle events / errors from devices. With this update we
can now parse / update the CXL memory layout, and report events /
errors from devices. This is a precursor for the CXL subsystem to
handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
for DDR-attached-DRAM is handled by the EDAC driver where it maps
system physical address events to a field-replaceable-unit (FRU /
endpoint device). In general, CXL has the potential to standardize
what has historically been a pile of memory-controller-specific error
handling logic.
Another change of note is the default policy for handling RAM-backed
device-dax instances. Previously the default access mode was "device",
mmap(2) a device special file to access memory. The new default is
"kmem" where the address range is assigned to the core-mm via
add_memory_driver_managed(). This saves typical users from wondering
why their platform memory is not visible via free(1) and stuck behind
a device-file. At the same time it allows expert users to deploy
policy to, for example, get dedicated access to high performance
memory, or hide low performance memory from general purpose kernel
allocations. This affects not only CXL, but also systems with
high-bandwidth-memory that platform-firmware tags with the
EFI_MEMORY_SP (special purpose) designation.
Summary:
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
for setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL
HDM Decoder Capability to translate the CXL DVSEC Range Registers
into 'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of
hotplug, or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug
message improvements"
* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
dax/kmem: Fix leak of memory-hotplug resources
cxl/mem: Add kdoc param for event log driver state
cxl/trace: Add serial number to trace points
cxl/trace: Add host output to trace points
cxl/trace: Standardize device information output
cxl/pci: Remove locked check for dvsec_range_allowed()
cxl/hdm: Add emulation when HDM decoders are not committed
cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
cxl/hdm: Emulate HDM decoder from DVSEC range registers
cxl/pci: Refactor cxl_hdm_decode_init()
cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
cxl: add RAS status unmasking for CXL
cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
dax/hmem: build hmem device support as module if possible
dax: cxl: add CXL_REGION dependency
cxl: avoid returning uninitialized error code
cxl/pmem: Fix nvdimm registration races
cxl/mem: Fix UAPI command comment
cxl/uapi: Tag commands from cxl_query_cmd()
...
|
||
|
Linus Torvalds
|
a5c95ca18a |
drm next for 6.3-rc1
Removals:
- remove legacy dri1 drivers -
- i810, mga, r128, savage, sis, tdfx, via
New driver:
- intel VPU accelerator driver
- habanalabs comes via drm tree now
drm/core:
- use drm_dbg_ helpers in several places
- Document defaults for CRTC backgrounds
- Document use of drm_minor
edid:
- improve mode parsing and refactoring
connector:
- support analog TV mode property
media:
- add some common formats
udmabuf:
- add vmap/vunmap methods
fourcc:
- add XRGB1555 and RGB565 formats
- document open source user waiver
firmware:
- fix color-format selection for system framebuffer
format-helper:
- Add conversion from XRGB8888 to various sysfb formats
- Make XRGB8888 the only driver-emulated legacy format
- Add conversion from XRGB8888 to XBGR8888 and ABGR8888
fb-helper:
- fix preferred depth and bpp values across drivers
- Avoid blank consoles from selecting an incorrect color format
probe-helper:
- Enable/disable HPD on connectors
scheduler:
- Fix lockup in drm_sched_entity_kill()
- Deprecate drm_sched_resubmit_jobs()
bridge:
- remove unused functions
- implement i2c probe_new in various drivers
- ite-it6505: Locking fixes, Cache EDID data
- ite-it66121: Support IT6610 chip
- lontium-tl9611: Fix HDMI on DragonBoard 845c
- parade-ps8640: Use atomic bridge functions
- Support i.MX93 LDB plus DT bindings
debugfs:
- add per device helpers and convert drivers
displayport:
- mst fixes
- add DP adaptive sync DPCD definitions
fbdev:
- always pick 32bpp as default
- remove some unused code
simpledrm:
- support system memory framebuffers
panel:
- add orientation quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
- Use ktime_get_boottime() to measure power-down delay
- Fix auto-suspend delay
- Visionox VTDR6130 AMOLED DSI
- Support Himax HX8394
- Convert many drivers to common generic DSI write-sequence helper
- AUO A030JTN01
ttm:
- drop bo wait wrapper
- fix MIPS build
habanalabs:
- moved driver to accel subsystem
- gaudi2 decoder error improvement
- more trace events
- Gaudi2 abrupt reset by firmware support
- add uAPI to flush memory transactions
- add uAPI to pass through userspace reqs to fw
- remove dma-buf export by handle
amdgpu:
- add new INFO queries for peak and min sclk/mclk for profile modes
- Add PCIe info to the INFO IOCTL
- secure display support for multiple displays
- DML optimizations
- DCN 3.2 updates
- PSR updates
- DP 2.1 updates
- SR-IOV RAS updates
- VCN RAS support
- SMU 13.x updates
- Switch 1 element arrays to flexible arrays
- Add RAS support for DF 4.3
- Stack size improvements
- S0ix rework
- Allow 0 as a vram limit on APUs
- Handle profiling modes for SMU13.x
- Fix possible segfault in failure case
- Rework FW requests to happen in early_init for all IPs so
that we don't lose the sbios console if FW is missing
- Fix power reporting on certain firmwares for CZN/RN
- Allow S0ix without BIOS support
- Enable freesync over PCon
- Re-enable the AGP aperture on GMC 11.x
amdkfd:
- Error handling fixes
- PASID fixes
- Fix for cleared VRAM BOs
- Fix cleanup if GPUVM creation fails
- Memory accounting fix
- Use resource_size rather than open codeing it
- GC11 mGPU fix
radeon:
- Switch 1 element arrays to flexible arrays
- Fix memory leak on shutdown
- move to new logging
i915:
- Meteorlake display/OA/GSC fw/workarounds enabling
- DP MST DSC support
- Gamma/degamma readout support for the state checker
- Enable SDP split support for DP 2.0
- Add probe blocking support to i915.force_probe parameter
- Enable Xe HP 4tile support
- Avoid display direct calls to uncore
- Fix HuC delayed load memory leaks
- Add DG2 workarounds Wa_18018764978 and Wa_18019271663
- Improve suspend / resume times with VT-d scanout workaround active
- Fix DG2 visual corruption on small BAR systems by not forgetting to copy CCS aux state
- Fix TLB invalidation for Gen12.50 video and compute engines
- Enable HF-EEODB by switching HDMI, DP and LVDS to use struct drm_edid
- Start using unversioned DMC firmware paths for new platforms
- ELD refactor: Stop using hardware buffer, precompute ELD
- lots of display code refactoring
nouveau:
- drop legacy ioctl support
- replace 0-sized array
msm:
- dpu/dsi/mdss: Support for SM8350, SM8450 SM8550 and SC8280XP platform
- Added bindings for SM8150
- dpu: Partial support for DSC on SM8150 and SM8250
- dpu: Fixed color transformation matrix being lost on suspend/resume
- dp: Support SDM845 and SC8280XP platforms
- dp: Support for limiting DP link rate via DT property
- dsi: Validate display modes according to the DSI OPP table
- dsi: DSI PHY support for the SM6375 platform
- Add MSM_SUBMIT_BO_NO_IMPLICI
- a2xx: Support to load legacy firmware
- a6xx: GPU devcore dump updates for a650/a660
- GPU devfreq tuning and fixes
- Turn 8960 HDMI PHY into clock provider,
- Make 8960 HDMI PHY use PXO clock from DT
etnaviv:
- experimental versilicon NPU support
- report GPU load via fdinfo format
- MMU fault message improvements
tegra:
- rework syncpoint interrupt
mediatek:
- DSI timing fix
- fix config deps
ast:
- various fixes
exynos:
- restore bridge chain order fixes
gud:
- convert to shadow plane buffers
- perform flushing synchronously during atomic update
- Use new debugfs helpers
arm/hdlcd:
- Use new debugfs helper
ili9486:
- Support 16-bit pixel data
imx:
- Split off IPUv3 driver
mipi-dbi:
- convert to DRM shadow-plane helpers
- rsp driver changes
- Support separate I/O-voltage supply
mxsfb:
- Depend on ARCH_MXS or ARCH_MXC
sun4i:
- convert to new TV mode property
vc4:
- convert to new TV mode property
- kunit tests
- Support RGB565 and RGB666 formats
- convert dsi driver to bridge
- Various HVS an CRTC fixes
v3d:
- Do not opencode drm_gem_object_lookup()
virtio:
- improve tracing
vkms:
- support small cursors in IGT tests
- Fix SEGFAULT from incorrect GEM-buffer mapping
rcar-du:
- fixes and improvements
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Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"There are a bunch of changes all over in the usual places.
Highlights:
- habanalabs moves from misc to accel
- first accel driver for Intel VPU (Versatile Processing Unit)
inference engine
- dropped all the ancient legacy DRI1 drivers. I think it's been at
least 10 years since anyone has heard about these.
- Intel DG2 updates and prelim Meteorlake enablement
- etnaviv adds support for Versilicon NPU device (a GPU like engine
with inference accelerators)
Detailed summary:
Removals:
- remove legacy dri1 drivers: i810, mga, r128, savage, sis, tdfx, via
New driver:
- intel VPU accelerator driver
- habanalabs comes via drm tree now
drm/core:
- use drm_dbg_ helpers in several places
- Document defaults for CRTC backgrounds
- Document use of drm_minor
edid:
- improve mode parsing and refactoring
connector:
- support analog TV mode property
media:
- add some common formats
udmabuf:
- add vmap/vunmap methods
fourcc:
- add XRGB1555 and RGB565 formats
- document open source user waiver
firmware:
- fix color-format selection for system framebuffer
format-helper:
- Add conversion from XRGB8888 to various sysfb formats
- Make XRGB8888 the only driver-emulated legacy format
- Add conversion from XRGB8888 to XBGR8888 and ABGR8888
fb-helper:
- fix preferred depth and bpp values across drivers
- Avoid blank consoles from selecting an incorrect color format
probe-helper:
- Enable/disable HPD on connectors
scheduler:
- Fix lockup in drm_sched_entity_kill()
- Deprecate drm_sched_resubmit_jobs()
bridge:
- remove unused functions
- implement i2c probe_new in various drivers
- ite-it6505: Locking fixes, Cache EDID data
- ite-it66121: Support IT6610 chip
- lontium-tl9611: Fix HDMI on DragonBoard 845c
- parade-ps8640: Use atomic bridge functions
- Support i.MX93 LDB plus DT bindings
debugfs:
- add per device helpers and convert drivers
displayport:
- mst fixes
- add DP adaptive sync DPCD definitions
fbdev:
- always pick 32bpp as default
- remove some unused code
simpledrm:
- support system memory framebuffers
panel:
- add orientation quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
- Use ktime_get_boottime() to measure power-down delay
- Fix auto-suspend delay
- Visionox VTDR6130 AMOLED DSI
- Support Himax HX8394
- Convert many drivers to common generic DSI write-sequence helper
- AUO A030JTN01
ttm:
- drop bo wait wrapper
- fix MIPS build
habanalabs:
- moved driver to accel subsystem
- gaudi2 decoder error improvement
- more trace events
- Gaudi2 abrupt reset by firmware support
- add uAPI to flush memory transactions
- add uAPI to pass through userspace reqs to fw
- remove dma-buf export by handle
amdgpu:
- add new INFO queries for peak and min sclk/mclk for profile modes
- Add PCIe info to the INFO IOCTL
- secure display support for multiple displays
- DML optimizations
- DCN 3.2 updates
- PSR updates
- DP 2.1 updates
- SR-IOV RAS updates
- VCN RAS support
- SMU 13.x updates
- Switch 1 element arrays to flexible arrays
- Add RAS support for DF 4.3
- Stack size improvements
- S0ix rework
- Allow 0 as a vram limit on APUs
- Handle profiling modes for SMU13.x
- Fix possible segfault in failure case
- Rework FW requests to happen in early_init for all IPs so that we
don't lose the sbios console if FW is missing
- Fix power reporting on certain firmwares for CZN/RN
- Allow S0ix without BIOS support
- Enable freesync over PCon
- Re-enable the AGP aperture on GMC 11.x
amdkfd:
- Error handling fixes
- PASID fixes
- Fix for cleared VRAM BOs
- Fix cleanup if GPUVM creation fails
- Memory accounting fix
- Use resource_size rather than open codeing it
- GC11 mGPU fix
radeon:
- Switch 1 element arrays to flexible arrays
- Fix memory leak on shutdown
- move to new logging
i915:
- Meteorlake display/OA/GSC fw/workarounds enabling
- DP MST DSC support
- Gamma/degamma readout support for the state checker
- Enable SDP split support for DP 2.0
- Add probe blocking support to i915.force_probe parameter
- Enable Xe HP 4tile support
- Avoid display direct calls to uncore
- Fix HuC delayed load memory leaks
- Add DG2 workarounds Wa_18018764978 and Wa_18019271663
- Improve suspend / resume times with VT-d scanout workaround active
- Fix DG2 visual corruption on small BAR systems by not forgetting to
copy CCS aux state
- Fix TLB invalidation for Gen12.50 video and compute engines
- Enable HF-EEODB by switching HDMI, DP and LVDS to use struct
drm_edid
- Start using unversioned DMC firmware paths for new platforms
- ELD refactor: Stop using hardware buffer, precompute ELD
- lots of display code refactoring
nouveau:
- drop legacy ioctl support
- replace 0-sized array
msm:
- dpu/dsi/mdss: Support for SM8350, SM8450 SM8550 and SC8280XP platform
- Added bindings for SM8150
- dpu: Partial support for DSC on SM8150 and SM8250
- dpu: Fixed color transformation matrix being lost on suspend/resume
- dp: Support SDM845 and SC8280XP platforms
- dp: Support for limiting DP link rate via DT property
- dsi: Validate display modes according to the DSI OPP table
- dsi: DSI PHY support for the SM6375 platform
- Add MSM_SUBMIT_BO_NO_IMPLICI
- a2xx: Support to load legacy firmware
- a6xx: GPU devcore dump updates for a650/a660
- GPU devfreq tuning and fixes
- Turn 8960 HDMI PHY into clock provider,
- Make 8960 HDMI PHY use PXO clock from DT
etnaviv:
- experimental versilicon NPU support
- report GPU load via fdinfo format
- MMU fault message improvements
tegra:
- rework syncpoint interrupt
mediatek:
- DSI timing fix
- fix config deps
ast:
- various fixes
exynos:
- restore bridge chain order fixes
gud:
- convert to shadow plane buffers
- perform flushing synchronously during atomic update
- Use new debugfs helpers
arm/hdlcd:
- Use new debugfs helper
ili9486:
- Support 16-bit pixel data
imx:
- Split off IPUv3 driver
mipi-dbi:
- convert to DRM shadow-plane helpers
- rsp driver changes
- Support separate I/O-voltage supply
mxsfb:
- Depend on ARCH_MXS or ARCH_MXC
sun4i:
- convert to new TV mode property
vc4:
- convert to new TV mode property
- kunit tests
- Support RGB565 and RGB666 formats
- convert dsi driver to bridge
- Various HVS an CRTC fixes
v3d:
- Do not opencode drm_gem_object_lookup()
virtio:
- improve tracing
vkms:
- support small cursors in IGT tests
- Fix SEGFAULT from incorrect GEM-buffer mapping
rcar-du:
- fixes and improvements"
* tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm: (1455 commits)
msm/fbdev: fix unused variable warning with clang.
drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()
dma-buf: make kobj_type structure constant
drm/shmem-helper: Fix locking for drm_gem_shmem_get_pages_sgt()
drm/amd/display: disable SubVP + DRR to prevent underflow
drm/amd/display: Fail atomic_check early on normalize_zpos error
drm/amd/pm: avoid unaligned access warnings
drm/amd/display: avoid unaligned access warnings
drm/amd/display: Remove duplicate/repeating expressions
drm/amd/display: Remove duplicate/repeating expression
drm/amd/display: Make variables declaration inside ifdef guard
drm/amd/display: Fix excess arguments on kernel-doc
drm/amd/display: Add previously missing includes
drm/amd/amdgpu: Add function prototypes to headers
drm/amd/display: Add function prototypes to headers
drm/amd/display: Turn global functions into static
drm/amd/display: remove unused _calculate_degamma_curve function
drm/amd/display: remove unused func declaration from resource headers
drm/amd/display: unset initial value for tf since it's never used
drm/amd/display: camel case cleanup in color_gamma file
...
|
||
|
Linus Torvalds
|
6861eaf791 |
ATA changes for 6.3-rc1
* Small cleanup of the pata_octeon driver to drop a useless platform
callback, from Uwe.
* Simplify ata_scsi_cmd_error_handler() code using the fact that
ap->ops->error_handler is NULL most of the time, from Wenchao.
* Several patches improving libata error handling. This is in
preparation for supporting the command duration limits (CDL)
feature. The changes allow handling corner cases of ATA NCQ errors
which do not happen with regular drives but will be triggered with
CDL drives. From Niklas.
* Simplify the qc_fill_rtf operation, from me.
* Improve SCSI command translation for the
REPORT_SUPPORTED_OPERATION_CODES command, from me.
* Cleanup of libata FUA handling. This falls short of enabling FUA for
ATA drives that support it by default as there were concerns that
old drives would break. The series howeverfixes several issues with
the FUA support to ensure that FUA is reported as being supported
only for drives that can handle all possible write cases (NCQ and
non-NCQ). A check in the block layer is also added to ensure that we
never see read FUA commands (current behavior). From me.
* Several patches to move the old PARIDE (parallel port IDE) driver to
libata as pata_parport. Given that this driver also needs protocol
modules, the driver code resides in its own pata_parport directoy
under drivers/ata. From Ondrej.
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Merge tag 'ata-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA updates from Damien Le Moal:
- Small cleanup of the pata_octeon driver to drop a useless platform
callback (Uwe)
- Simplify ata_scsi_cmd_error_handler() code using the fact that
ap->ops->error_handler is NULL most of the time (Wenchao)
- Several patches improving libata error handling. This is in
preparation for supporting the command duration limits (CDL) feature.
The changes allow handling corner cases of ATA NCQ errors which do
not happen with regular drives but will be triggered with CDL drives
(Niklas)
- Simplify the qc_fill_rtf operation (me)
- Improve SCSI command translation for REPORT_SUPPORTED_OPERATION_CODES
command (me)
- Cleanup of libata FUA handling.
This falls short of enabling FUA for ATA drives that support it by
default as there were concerns that old drives would break. The
series however fixes several issues with the FUA support to ensure
that FUA is reported as being supported only for drives that can
handle all possible write cases (NCQ and non-NCQ). A check in the
block layer is also added to ensure that we never see read FUA
commands (current behavior) (me)
- Several patches to move the old PARIDE (parallel port IDE) driver to
libata as pata_parport. Given that this driver also needs protocol
modules, the driver code resides in its own pata_parport directoy
under drivers/ata (Ondrej)
* tag 'ata-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_parport: Fix ida_alloc return value error check
drivers/block: Move PARIDE protocol modules to drivers/ata/pata_parport
drivers/block: Remove PARIDE core and high-level protocols
ata: pata_parport: add driver (PARIDE replacement)
ata: libata: exclude FUA support for known buggy drives
ata: libata: Fix FUA handling in ata_build_rw_tf()
ata: libata: cleanup fua support detection
ata: libata: Rename and cleanup ata_rwcmd_protocol()
ata: libata: Introduce ata_ncq_supported()
block: add a sanity check for non-write flush/fua bios
ata: libata-scsi: improve ata_scsiop_maint_in()
ata: libata-scsi: do not overwrite SCSI ML and status bytes
ata: libata: move NCQ related ATA_DFLAGs
ata: libata: respect successfully completed commands during errors
ata: libata: read the shared status for successful NCQ commands once
ata: libata: simplify qc_fill_rtf port operation interface
ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH
ata: libata-eh: Cleanup ata_scsi_cmd_error_handler()
ata: octeon: Drop empty platform remove function
|
||
|
Arnd Bergmann
|
8a3d95ea42 |
dax/hmem: build hmem device support as module if possible
When device_hmem.o is enabled but dax itself is a loadable module, the
dax_hmem support fails to link because Kbuild never compiles built-in
code under drivers/dax:
ERROR: modpost: "walk_hmem_resources" [drivers/dax/hmem/dax_hmem.ko] undefined!
Make sure that drivers/dax is entered for compiling built-in code
even with CONFIG_DAX=m.
Fixes:
|
||
|
Masahiro Yamada
|
67d7c3023a |
kbuild: remove --include-dir MAKEFLAG from top Makefile
I added $(srctree)/ to some included Makefiles in the following commits: - |
||
|
Ondrej Zary
|
72f2b0b218 |
drivers/block: Move PARIDE protocol modules to drivers/ata/pata_parport
Move PARIDE protocol modules out of drivers/block into drivers/ata/pata_parport and update the CONFIG_ symbol names to PATA_PARPORT. [Damien] The pata_parport driver file itsef is also moved together with the protocol modules in drivers/ata/pata_parport. Signed-off-by: Ondrej Zary <linux@zary.sk> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> |
||
|
Ondrej Zary
|
246a1c4c6b |
ata: pata_parport: add driver (PARIDE replacement)
The pata_parport is a libata-based replacement of the old PARIDE subsystem - driver for parallel port IDE devices. It uses the original paride low-level protocol drivers but does not need the high-level drivers (pd, pcd, pf, pt, pg). The IDE devices behind parallel port adapters are handled by the ATA layer. This will allow paride and its high-level drivers to be removed. Unfortunately, libata drivers cannot sleep so pata_parport claims parport before activating the ata host and keeps it claimed (and protocol connected) until the ata host is removed. This means that no devices can be chained (neither other pata_parport devices nor a printer). paride and pata_parport are mutually exclusive because the compiled protocol drivers are incompatible. Tested with: - Imation SuperDisk LS-120 and HP C4381A (EPAT) - Freecom Parallel CD (FRPW) - Toshiba Mobile CD-RW 2793008 w/Freecom Parallel Cable rev.903 (FRIQ) - Backpack CD-RW 222011 and CD-RW 19350 (BPCK6) The following bugs in low-level protocol drivers were found and will be fixed later: Note: EPP-32 mode is buggy in EPAT - and also in all other protocol drivers - they don't handle non-multiple-of-4 block transfers correctly. This causes problems with LS-120 drive. There is also another bug in EPAT: EPP modes don't work unless a 4-bit or 8-bit mode is used first (probably some initialization missing?). Once the device is initialized, EPP works until power cycle. So after device power on, you have to: echo "parport0 epat 0" >/sys/bus/pata_parport/new_device echo pata_parport.0 >/sys/bus/pata_parport/delete_device echo "parport0 epat 4" >/sys/bus/pata_parport/new_device (autoprobe will initialize correctly as it tries the slowest modes first but you'll get the broken EPP-32 mode) Note: EPP modes are buggy in FRPW, only modes 0 and 1 work. Signed-off-by: Ondrej Zary <linux@zary.sk> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> |
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|
Oded Gabbay
|
e65e175b07 |
habanalabs: move driver to accel subsystem
Now that we have a subsystem for compute accelerators, move the habanalabs driver to it. This patch only moves the files and fixes the Makefiles. Future patches will change the existing code to register to the accel subsystem and expose the accel device char files instead of the habanalabs device char files. Update the MAINTAINERS file to reflect this change. Signed-off-by: Oded Gabbay <ogabbay@kernel.org> |
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|
Jacek Lawrynowicz
|
35b137630f |
accel/ivpu: Introduce a new DRM driver for Intel VPU
VPU stands for Versatile Processing Unit and it's a CPU-integrated
inference accelerator for Computer Vision and Deep Learning
applications.
The VPU device consist of following components:
- Buttress - provides CPU to VPU integration, interrupt, frequency and
power management.
- Memory Management Unit (based on ARM MMU-600) - translates VPU to
host DMA addresses, isolates user workloads.
- RISC based microcontroller - executes firmware that provides job
execution API for the kernel-mode driver
- Neural Compute Subsystem (NCS) - does the actual work, provides
Compute and Copy engines.
- Network on Chip (NoC) - network fabric connecting all the components
This driver supports VPU IP v2.7 integrated into Intel Meteor Lake
client CPUs (14th generation).
Module sources are at drivers/accel/ivpu and module name is
"intel_vpu.ko".
This patch includes only very besic functionality:
- module, PCI device and IRQ initialization
- register definitions and low level register manipulation functions
- SET/GET_PARAM ioctls
- power up without firmware
Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-2-jacek.lawrynowicz@linux.intel.com
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Benjamin Tissoires
|
25621bcc89 |
HID: Kconfig: split HID support and hid-core compilation
Currently, we step into drivers/hid/ based on the value of CONFIG_HID. However, that value is a tristate, meaning that it can be a module. As per the documentation, if we jump into the subdirectory by following an obj-m, we can not compile anything inside that subdirectory in vmlinux. It is considered as a bug. To make things more friendly to HID-BPF, split HID (the HID core parameter) from HID_SUPPORT (do we want any kind of HID support in the system?), and make this new config a boolean. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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|
Yicong Yang
|
ff0de066b4 |
hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device
HiSilicon PCIe tune and trace device(PTT) is a PCIe Root Complex integrated Endpoint(RCiEP) device, providing the capability to dynamically monitor and tune the PCIe traffic and trace the TLP headers. Add the driver for the device to enable the trace function. Register PMU device of PTT trace, then users can use trace through perf command. The driver makes use of perf AUX trace function and support the following events to configure the trace: - filter: select Root port or Endpoint to trace - type: select the type of traced TLP headers - direction: select the direction of traced TLP headers - format: select the data format of the traced TLP headers This patch initially add basic trace support of PTT device. Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20220816114414.4092-3-yangyicong@huawei.com Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> |
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Linus Torvalds
|
723c188d5c |
Staging driver patches for 6.0-rc1
Here is the big set of staging driver patches for 6.0-rc1. Another round where we removed more lines of code than added, always a nice progression. Some of that came from the movement of the vme code back into staging, and removal of some other of the vme driver code as there are no known users and it is very obsolete and unmaintained. It can be added back easily if someone offers to maintain it. Other than that this merge has lots of little things: - huge cleanups for r8188eu driver - minor cleanups for other wifi drivers - tiny loop fixes for greybus code - other small coding style fixes All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYuvPnA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn1wwCfTq1uo19O7mJ9S6ZZW1eIaJCEyW4AoKokANEO lZNDNs6AYfKzzFymXYfa =0ORk -----END PGP SIGNATURE----- Merge tag 'staging-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver updates from Greg KH: "Here is the big set of staging driver patches for 6.0-rc1. Another round where we removed more lines of code than added, always a nice progression. Some of that came from the movement of the vme code back into staging, and removal of some other of the vme driver code as there are no known users and it is very obsolete and unmaintained. It can be added back easily if someone offers to maintain it. Other than that this merge has lots of little things: - huge cleanups for r8188eu driver - minor cleanups for other wifi drivers - tiny loop fixes for greybus code - other small coding style fixes All of these have been in linux-next for a while with no reported issues" * tag 'staging-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (191 commits) staging: r8188eu: fix potential uninitialised variable use in rtw_pwrctrl.c staging: r8188eu: remove initializer from ret in rtw_pwr_wakeup staging: vt6655: Convert macro vt6655_mac_clear_stck_ds to function staging: vt6655: Rename MACvClearStckDS staging: fbtft: core: set smem_len before fb_deferred_io_init call staging: r8188eu: convert rtw_pwr_wakeup to correct error code semantics staging: r8188eu: make dump_chip_info() static staging: r8188eu: remove DoReserved prototype staging: r8188eu: remove OnAtim prototype staging: r8188eu: remove SetHwReg8188EU() staging: r8188eu: make update_TSF() and correct_TSF() static staging: r8188eu: remove unused parameter from update_TSF() staging: r8188eu: remove unused parameter from correct_TSF() staging: r8188eu: remove HW_VAR_SET_OPMODE from SetHwReg8188EU() staging: pi433: remove duplicated comments staging: qlge: refine variable name staging: vt6655: Convert macro vt6655_mac_word_reg_bits_off to function staging: vt6655: Convert macro vt6655_mac_reg_bits_off to function staging: vt6655: Convert macro vt6655_mac_word_reg_bits_on to function staging: vt6655: Convert macro vt6655_mac_reg_bits_on to function ... |
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Christoph Hellwig
|
1045a06724 |
remove CONFIG_ANDROID
The ANDROID config symbol is only used to guard the binder config symbol and to inject completely random config changes. Remove it as it is obviously a bad idea. Acked-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220629150102.1582425-2-hch@lst.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Arnd Bergmann
|
35ba63b8f6 |
vme: move back to staging
The VME subsystem graduated from staging into a top-level subsystem in
2012, with commit
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Linus Torvalds
|
b2c9a83d26 |
SCSI misc on 20220604
Mostly small bug fixes plus other trivial updates. The major change of note is moving ufs out of scsi and a minor update to lpfc vmid handling. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYptvayYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishb1rAPwJWSl1 kB9Qt1xPa1JK0Z7To2LRkrQ4uxYbAnpTLEP6UgEA3YuBccXRppcYQe5CXCrcZryz BtTbtI3ApiV40xC/SRk= =Uit3 -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull more SCSI updates from James Bottomley: "Mostly small bug fixes plus other trivial updates. The major change of note is moving ufs out of scsi and a minor update to lpfc vmid handling" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits) scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters scsi: mpi3mr: Fix kernel-doc scsi: lpfc: Add support for ATTO Fibre Channel devices scsi: core: Return BLK_STS_TRANSPORT for ALUA transitioning scsi: sd_zbc: Prevent zone information memory leak scsi: sd: Fix potential NULL pointer dereference scsi: mpi3mr: Rework mrioc->bsg_device model to fix warnings scsi: myrb: Fix up null pointer access on myrb_cleanup() scsi: core: Unexport scsi_bus_type scsi: sd: Don't call blk_cleanup_disk() in sd_probe() scsi: ufs: ufshcd: Delete unnecessary NULL check scsi: isci: Fix typo in comment scsi: pmcraid: Fix typo in comment scsi: smartpqi: Fix typo in comment scsi: qedf: Fix typo in comment scsi: esas2r: Fix typo in comment scsi: storvsc: Fix typo in comment scsi: ufs: Split the drivers/scsi/ufs directory scsi: qla1280: Remove redundant variable ... |
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Linus Torvalds
|
2981436374 |
hte: New subsystem for v5.19-rc1
This contains the new HTE subsystem that has been in the works for a couple of months now. The infrastructure provided allows for drivers to register as hardware timestamp providers, while consumers will be able to request events that they are interested in (such as GPIOs and IRQs) to be timestamped by the hardware providers. Note that this currently supports only one provider, but there seems to be enough interest in this functionality and we expect to see more drivers added once this is merged. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmKZ77ATHHRyZWRpbmdA bnZpZGlhLmNvbQAKCRDdI6zXfz6zoTgVD/4tdJptbwblr8CCP5jklb81quuKBFu4 2VaUpyGo4TDD4g0jchmAkmB0JsjO7mauURZ/vwWUfDx+uvsOJyf79smY/4OvL0v6 MdYFeXb1rqDX8SiZSnpa+PKNI96l9/l1sbkbj1PPIod8hJSgXsASRP4lF21U97ZY QTI7u3kMJsUEvZhbEs9E2TXPAUO4+M8HfogJuEoaVRyHdwVHY1+Z+jlUsVXRd1qU XpIaKKMWF07FWrs2QUAbdqIUc8cITlcP+ExCc35PMwZnemWHnVwvk0mVyC0XD39P PHGlQOR2zTwJmijCwFkKTwuhGufE6bbvKvdns6gyTUlbzpQ4vcjPfVubt9ehX3dp acEJp5WdJFUhFU4dhjsLGVVzwE/L7vsZ3RPPh1j/Hjt0wYPg/EYPLr/wz+0wbIxt z4AtQZBLwrXSxXUuGkzl139kx0lTEtQZvfiziwi8BWrl6aqeBcGSNYHFLs2rDUTh sap+aEYRQ4cGWYfLMhv3yRLkkTlGxDMmEPM9VWGJb96osBcfidvgT+SE5qwoz6yg yJyMWwCrjYvYl+ZHwfKE3pEE4z9mrs7VLgcW9yWOF4UwFLuH0DyIEtCx/I4Uk+QG 7F1HuV3mYZNlOwgJMZooSJ5Z9uzrn+eGzivhw4klJibFZBXqICCQjL5KvQ8wyuY7 60Ns9+912HV/tQ== =sOJn -----END PGP SIGNATURE----- Merge tag 'hte/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux Pull hardware timestamping subsystem from Thierry Reding: "This contains the new HTE (hardware timestamping engine) subsystem that has been in the works for a couple of months now. The infrastructure provided allows for drivers to register as hardware timestamp providers, while consumers will be able to request events that they are interested in (such as GPIOs and IRQs) to be timestamped by the hardware providers. Note that this currently supports only one provider, but there seems to be enough interest in this functionality and we expect to see more drivers added once this is merged" [ Linus Walleij mentions the Intel PMC in the Elkhart and Tiger Lake platforms as another future timestamp provider ] * tag 'hte/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: dt-bindings: timestamp: Correct id path dt-bindings: Renamed hte directory to timestamp hte: Uninitialized variable in hte_ts_get() hte: Fix off by one in hte_push_ts_ns() hte: Fix possible use-after-free in tegra_hte_test_remove() hte: Remove unused including <linux/version.h> MAINTAINERS: Add HTE Subsystem hte: Add Tegra HTE test driver tools: gpio: Add new hardware clock type gpiolib: cdev: Add hardware timestamp clock type gpio: tegra186: Add HTE support gpiolib: Add HTE support dt-bindings: Add HTE bindings hte: Add Tegra194 HTE kernel provider drivers: Add hardware timestamp engine (HTE) subsystem Documentation: Add HTE subsystem guide |
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Linus Torvalds
|
4ad680f083 |
Staging driver updates for 5.19-rc1
Here is the big set of staging driver updates for 5.19-rc1.
Lots of forward progress happened this development cycle, one driver
(wfx wireless driver) got merged into the real portion of the kernel,
and another one (unisys) was removed as no one is around anymore to take
care of it and no one has the hardware. Combined with loads of tiny
driver cleanups overall we removed 13k lines of code from the tree, a
nice improvement.
Other than the wfx and unisys driver changes the major points of this
merge is:
- r8188eu driver cleanups. So many cleanups. It's amazing just
how many things have been cleaned up here, and yet, how many
remain to go. Lots of work happened here, and it doesn't look
to slow down any time soon.
- other wifi driver cleanups. Not as many as the r8188eu
driver, but still pretty impressive from a janitorial point of
view.
- bcm2853 driver cleanups
- other very minor driver cleanups
All of these have been in the linux-next tree for weeks with no reported
issues.
Note, you will have a merge conflict in the
drivers/net/wireless/silabs/wfx/sta.c file, please just take the change
that came in from the wifi tree. We thought as I had pulled the same
merge point from the wifi developers this type of conflict wouldn't have
happened, but for some reason git flags it as something to pay attention
to and couldn't resolve it itself.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates for 5.19-rc1.
Lots of forward progress happened this development cycle, one driver
(wfx wireless driver) got merged into the real portion of the kernel,
and another one (unisys) was removed as no one is around anymore to
take care of it and no one has the hardware. Combined with loads of
tiny driver cleanups overall we removed 13k lines of code from the
tree, a nice improvement.
Other than the wfx and unisys driver changes the major points of this
merge is:
- r8188eu driver cleanups. So many cleanups. It's amazing just how
many things have been cleaned up here, and yet, how many remain to
go. Lots of work happened here, and it doesn't look to slow down
any time soon.
- other wifi driver cleanups. Not as many as the r8188eu driver, but
still pretty impressive from a janitorial point of view.
- bcm2853 driver cleanups
- other very minor driver cleanups
All of these have been in the linux-next tree for weeks with no
reported issues"
* tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (363 commits)
staging: r8188eu: remove include/rtw_debug.h
staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()
staging: r8188eu: delete rtw_wx_read/write32()
staging: r8188eu: Remove multiple assignments
staging: r8188eu: add check for kzalloc
staging: r8188eu: fix warnings in rtw_wlan_util
staging: r8188eu: fix warnings in rtw_pwrctrl
staging: r8188eu: fix warnings in rtw_p2p
staging: rtl8712: fix uninit-value in r871xu_drv_init()
staging: rtl8712: fix uninit-value in usb_read8() and friends
staging: rtl8712: add error handler in r8712_usbctrl_vendorreq()
staging: r8188eu: remove _drv_ defines from include/rtw_debug.h
staging: vc04_services: remove unused macro
staging: rtl8192u: remove null check after call container_of()
staging: rtl8192e: remove null check after call container_of()
staging: ks7010: remove null check after call container_of()
staging: r8188eu: remove HW_VAR_AC_PARAM_BE from SetHwReg8188EU()
staging: r8188eu: assoc_rsp and assoc_rsp_len are not used
staging: r8188eu: last_rx_mgnt_pkts is set but not used
staging: r8188eu: simplify error handling in recv_func_prehandle
...
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Bart Van Assche
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dd11376b9f |
scsi: ufs: Split the drivers/scsi/ufs directory
Split the drivers/scsi/ufs directory into 'core' and 'host' directories under the drivers/ufs/ directory. Move shared header files into the include/ufs/ directory. This separation makes it clear which header files UFS drivers are allowed to include (include/ufs/*.h) and which header files UFS drivers are not allowed to include (drivers/ufs/core/*.h). Update the MAINTAINERS file. Add myself as a UFS reviewer. Link: https://lore.kernel.org/r/20220511212552.655341-1-bvanassche@acm.org Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bean Huo <beanhuo@micron.com> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Keoseong Park <keosung.park@samsung.com> Tested-by: Bean Huo <beanhuo@micron.com> Tested-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Acked-by: Avri Altman <avri.altman@wdc.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Dipen Patel
|
31ab09b421 |
drivers: Add hardware timestamp engine (HTE) subsystem
Some devices can timestamp system lines/signals/Buses in real-time using the hardware counter or other hardware means which can give finer granularity and help avoid jitter introduced by software timestamping. To utilize such functionality, this patchset creates HTE subsystem where devices can register themselves as providers so that the consumers devices can request specific line from the providers. The patch also adds compilation support in Makefile and menu options in Kconfig. The provider does following: - Registers chip with the framework. - Provides translation hook to convert logical line id. - Provides enable/disable, request/release callbacks. - Pushes timestamp data to HTE subsystem. The consumer does following: - Initializes line attribute. - Gets HTE timestamp descriptor. - Requests timestamp functionality. - Puts HTE timestamp descriptor. Signed-off-by: Dipen Patel <dipenp@nvidia.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Dan Williams
|
9ea4dcf498 |
PM: CXL: Disable suspend
The CXL specification claims S3 support at a hardware level, but at a system software level there are some missing pieces. Section 9.4 (CXL 2.0) rightly claims that "CXL mem adapters may need aux power to retain memory context across S3", but there is no enumeration mechanism for the OS to determine if a given adapter has that support. Moreover the save state and resume image for the system may inadvertantly end up in a CXL device that needs to be restored before the save state is recoverable. I.e. a circular dependency that is not resolvable without a third party save-area. Arrange for the cxl_mem driver to fail S3 attempts. This still nominaly allows for suspend, but requires unbinding all CXL memory devices before the suspend to ensure the typical DRAM flow is taken. The cxl_mem unbind flow is intended to also tear down all CXL memory regions associated with a given cxl_memdev. It is reasonable to assume that any device participating in a System RAM range published in the EFI memory map is covered by aux power and save-area outside the device itself. So this restriction can be minimized in the future once pre-existing region enumeration support arrives, and perhaps a spec update to clarify if the EFI memory map is sufficent for determining the range of devices managed by platform-firmware for S3 support. Per Rafael, if the CXL configuration prevents suspend then it should fail early before tasks are frozen, and mem_sleep should stop showing 'mem' as an option [1]. Effectively CXL augments the platform suspend ->valid() op since, for example, the ACPI ops are not aware of the CXL / PCI dependencies. Given the split role of platform firmware vs OS provisioned CXL memory it is up to the cxl_mem driver to determine if the CXL configuration has elements that platform firmware may not be prepared to restore. Link: https://lore.kernel.org/r/CAJZ5v0hGVN_=3iU8OLpHY3Ak35T5+JcBM-qs8SbojKrpd0VXsA@mail.gmail.com [1] Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/165066828317.3907920.5690432272182042556.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Fabio M. De Francesco
|
e5f45b011e |
staging: Remove the drivers for the Unisys s-Par
The Unisys sub-tree of drivers/staging contains three drivers for the "Unisys Secure Partition" (s-Par(R)): visorhba, visorinput, visornic. They have no maintainers, in fact the only one that is listed in MAINTAINERS has an unreacheable email address. During 2021 and 2022 several patches have been submitted to these drivers but nobody at Unisys cared of reviewing the changes. Probably, also the "sparmaintainer" internal list of unisys.com is not anymore read by interested Unisys' engineers. Therefore, remove the drivers/staging/unisys directory and delete the relevant entries in the MAINTAINERS, Kconfig, Makefile files, then remove also the drivers/visorbus directory which is not anymore needed (it contained the driver for the virtualized bus for the Unisys s-Par firmware). Cc: David Kershner <david.kershner@unisys.com> Cc: <sparmaintainer@unisys.com> Cc: Ken Cox <jkc@redhat.com> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20220414103217.32058-1-fmdefrancesco@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Iwona Winiarska
|
6523d3b2ff |
peci: Add core infrastructure
Intel processors provide access for various services designed to support processor and DRAM thermal management, platform manageability and processor interface tuning and diagnostics. Those services are available via the Platform Environment Control Interface (PECI) that provides a communication channel between the processor and the Baseboard Management Controller (BMC) or other platform management device. This change introduces PECI subsystem by adding the initial core module and API for controller drivers. Co-developed-by: Jason M Bills <jason.m.bills@linux.intel.com> Co-developed-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Jason M Bills <jason.m.bills@linux.intel.com> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com> Link: https://lore.kernel.org/r/20220208153639.255278-5-iwona.winiarska@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Arnd Bergmann
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27d9839f17 |
virtio: always enter drivers/virtio/
When neither VIRTIO_PCI_LIB nor VIRTIO are enabled, but the alibaba vdpa driver is, the kernel runs into a link error because the legacy virtio module never gets built: x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_set_features': eni_vdpa.c:(.text+0x23f): undefined reference to `vp_legacy_set_features' x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_set_vq_state': eni_vdpa.c:(.text+0x2fe): undefined reference to `vp_legacy_get_queue_enable' x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_set_vq_address': eni_vdpa.c:(.text+0x376): undefined reference to `vp_legacy_set_queue_address' x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_set_vq_ready': eni_vdpa.c:(.text+0x3b4): undefined reference to `vp_legacy_set_queue_address' x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_free_irq': eni_vdpa.c:(.text+0x460): undefined reference to `vp_legacy_queue_vector' x86_64-linux-ld: eni_vdpa.c:(.text+0x4b7): undefined reference to `vp_legacy_config_vector' x86_64-linux-ld: drivers/vdpa/alibaba/eni_vdpa.o: in function `eni_vdpa_reset': When VIRTIO_PCI_LIB was added, it was correctly added to drivers/Makefile as well, but for the legacy module, this is missing. Solve this by always entering drivers/virtio during the build and letting its Makefile take care of the individual options, rather than having a separate line for each sub-option. Fixes: |
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Christoph Hellwig
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9ea9b9c483 |
remove the lightnvm subsystem
Lightnvm supports the OCSSD 1.x and 2.0 specs which were early attempts to produce Open Channel SSDs and never made it into the NVMe spec proper. They have since been superceeded by NVMe enhancements such as ZNS support. Remove the support per the deprecation schedule. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20210812132308.38486-1-hch@lst.de Reviewed-by: Matias Bjørling <mb@lightnvm.io> Reviewed-by: Javier González <javier@javigon.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Linus Torvalds
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b694011a4a |
hyperv-next for 5.14
-----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmDa/58THHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXufBB/sGVIp1OhrtRFXeLJGJtbPPJzbh1w+K hlDxthpN8uW7W7jyQRShiNUVwGX1QUiKBUH5g9oVKYBm0/srup4TivT2PiXPp4mC 7rPM9jcOD0ei9W2Z1/fjQvyorz37pQzq9GMF37FGqPM2mVuCl16QhdF5EqYjipCU k34MyvjUPudmYot3gdiURyxrUljzw3KLfVXeg1Tpk0mXLZvm6OnyRn9ywgNJb+Pz wn2+Om3hZCtccF2CUUS1LbMPFF97xy/CdAObyDuJyyXfyY7JFZ/guWBkQpi0tejQ /+yJFYYZSo1lXV8xxB0t8LR9Vf6OxZNexn+0El4IUO4TZuAJcr4Q6fYp =yOAz -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed-20210629' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv updates from Wei Liu: "Just a few minor enhancement patches and bug fixes" * tag 'hyperv-next-signed-20210629' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: PCI: hv: Add check for hyperv_initialized in init_hv_pci_drv() Drivers: hv: Move Hyper-V extended capability check to arch neutral code drivers: hv: Fix missing error code in vmbus_connect() x86/hyperv: fix logical processor creation hv_utils: Fix passing zero to 'PTR_ERR' warning scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer hv_balloon: Remove redundant assignment to region_start |
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Christoph Hellwig
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b7fb14d3ac |
ide: remove the legacy ide driver
The legay ide driver has been replace with libata starting in 2003 and has been scheduled for removal for a while. Finally kill it off so that we can start cleaning up various bits of cruft it forced on the block layer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Michael Kelley
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a4d7e8ae4a |
Drivers: hv: Move Hyper-V extended capability check to arch neutral code
The extended capability query code is currently under arch/x86, but it is architecture neutral, and is used by arch neutral code in the Hyper-V balloon driver. Hence the balloon driver fails to build on other architectures. Fix by moving the ext cap code out from arch/x86. Because it is also called from built-in architecture specific code, it can't be in a module, so the Makefile treats as built-in even when CONFIG_HYPERV is "m". Also drivers/Makefile is tweaked because this is the first occurrence of a Hyper-V file that is built-in even when CONFIG_HYPERV is "m". While here, update the hypercall status check to use the new helper function instead of open coding. No functional change. Signed-off-by: Michael Kelley <mikelley@microsoft.com> Reviewed-by: Sunil Muthuswamy <sunilmut@microsoft.com> Link: https://lore.kernel.org/r/1622669804-2016-1-git-send-email-mikelley@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org> |
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Linus Torvalds
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16bb86b556 |
virtio,vhost,vdpa: features, fixes
A bunch of new drivers including vdpa support for block and virtio-vdpa. Beginning of vq kick (aka doorbell) mapping support. Misc fixes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmCRBBEPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpiCIH/iNNTeyl4hZJ8IOTlqTagjZgUBYslpda66pU XfGKmXWpCGHYSw0XgbfHDyTZTCmdyq/b4FrxPgYrrEsQqztLIaGHyapHPcXEAThb +pHtcxqsQ8DGucJZpNU44M3kB13u07gauR540HyXzEqLXd5vEhG7dkClBjm67TWN SbJoEP3eNJMUezYuGsmUAGoi/M9NyCx+RiLd7roIlTxhIDW17PFNY0sIgG/sX6/s 1MXng0l00EjawIu4OnWfjg6kZoa6se41Rpcwd7XluTZncYKnMTJGoxDwv0xoJl4I pI5OS+Ea6ENuuygmYMEl294I5E0QeaMGFpEYyO9sm764K5bLjVw= =x0Ot -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: "A bunch of new drivers including vdpa support for block and virtio-vdpa. Beginning of vq kick (aka doorbell) mapping support. Misc fixes" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (40 commits) virtio_pci_modern: correct sparse tags for notify virtio_pci_modern: __force cast the notify mapping vDPA/ifcvf: get_config_size should return dev specific config size vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA vDPA/ifcvf: deduce VIRTIO device ID when probe vdpa_sim_blk: add support for vdpa management tool vdpa_sim_blk: handle VIRTIO_BLK_T_GET_ID vdpa_sim_blk: implement ramdisk behaviour vdpa: add vdpa simulator for block device vhost/vdpa: Remove the restriction that only supports virtio-net devices vhost/vdpa: use get_config_size callback in vhost_vdpa_config_validate() vdpa: add get_config_size callback in vdpa_config_ops vdpa_sim: cleanup kiovs in vdpasim_free() vringh: add vringh_kiov_length() helper vringh: implement vringh_kiov_advance() vringh: explain more about cleaning riov and wiov vringh: reset kiov 'consumed' field in __vringh_iov() vringh: add 'iotlb_lock' to synchronize iotlb accesses vdpa_sim: use iova module to allocate IOVA addresses vDPA/ifcvf: deduce VIRTIO device ID from pdev ids ... |
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Jason Wang
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64b9f64f80 |
vdpa: introduce virtio pci driver
This patch introduce a vDPA driver for virtio-pci device. It bridges the virtio-pci control command to the vDPA bus. This will be used for features prototyping and testing. Note that get/restore virtqueue state is not supported which needs extension on the virtio specification. Signed-off-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20210223061905.422659-4-jasowang@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Greg Kroah-Hartman
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8ffdff6a8c |
staging: comedi: move out of staging directory
The comedi code came into the kernel back in 2008, but traces its lifetime to much much earlier. It's been polished and buffed and there's really nothing preventing it from being part of the "real" portion of the kernel. So move it to drivers/comedi/ as it belongs there. Many thanks to the hundreds of developers who did the work to make this happen. Cc: Ian Abbott <abbotti@mev.co.uk> Cc: H Hartley Sweeten <hsweeten@visionengravers.com> Link: https://lore.kernel.org/r/YHauop4u3sP6lz8j@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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c4fbde84fe |
Simple Firmware Interface (SFI) support removal for v5.12-rc1
Drop support for depercated platforms using SFI, drop the entire support for SFI that has been long deprecated too and make some janitorial changes on top of that (Andy Shevchenko). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmA2ZukSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxKcAP/RAkbRVFndhQIZYTCu74O64v86FjTBcS 3vvcKevVkBJiPJL1l10Yo3UMEYAbJIRZY00jkUjX7pq4eurELu6LwdMtJlHwh0p5 ZP5QeSdq1xN+9UGwBGXlnka2ypmD8fjbQyxHKErYgvmOl4ltFm40PyUC9GCVFLnW /1o83t/dcmTtaOGPYWTW3HuCsbYqANG/x8PYAFeAk5dBxoSaNV69gAEuCYr1JC5N Nie4x2m2I5v9egJFhy6rmRrpHPBvocCho+FipJFagSKWHPCI2rBSKESVOj23zWt2 eIWhK5T/ZR3OqQb9tZN6uAPJmBAerc3l7ZHZ1oFBP68MjUJJJhduQ+hNxljOyLLw CVx0UhuancIWZdyJon5f7E9S9STZLIZ/3usx3K+7AZK+PSmH8d/UEIeXfkC0FcAr eO3gwalB9KuhhXbVvihW79RkfkV5pTaMvVS7l1BffN4WE1dB9PKtJ8/MKFbGaTUF 4Rev6BdAEDqJrw6OIARvNcI6TAEhbKe5yIghzhQWn+fZ7oEm6f6fvFObBzD0KvQP 4RwYJhXU0gtK5yo/Ib1sUqjVQn8Jgqb7Xq46WZsP07Yc6O2Ws/86qCpX1GSCv5FU 1CZEJLGLGTbjDYOyMaUDfO/tI5kXG11e0Ss7Q+snWH4Iyhg0aNEYChKjOAFIxIxg JJYOH8O5p2IP =jlPz -----END PGP SIGNATURE----- Merge tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull Simple Firmware Interface (SFI) support removal from Rafael Wysocki: "Drop support for depercated platforms using SFI, drop the entire support for SFI that has been long deprecated too and make some janitorial changes on top of that (Andy Shevchenko)" * tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: x86/platform/intel-mid: Update Copyright year and drop file names x86/platform/intel-mid: Remove unused header inclusion in intel-mid.h x86/platform/intel-mid: Drop unused __intel_mid_cpu_chip and Co. x86/platform/intel-mid: Get rid of intel_scu_ipc_legacy.h x86/PCI: Describe @reg for type1_access_ok() x86/PCI: Get rid of custom x86 model comparison sfi: Remove framework for deprecated firmware cpufreq: sfi-cpufreq: Remove driver for deprecated firmware media: atomisp: Remove unused header mfd: intel_msic: Remove driver for deprecated platform x86/apb_timer: Remove driver for deprecated platform x86/platform/intel-mid: Remove unused leftovers (vRTC) x86/platform/intel-mid: Remove unused leftovers (msic) x86/platform/intel-mid: Remove unused leftovers (msic_thermal) x86/platform/intel-mid: Remove unused leftovers (msic_power_btn) x86/platform/intel-mid: Remove unused leftovers (msic_gpio) x86/platform/intel-mid: Remove unused leftovers (msic_battery) x86/platform/intel-mid: Remove unused leftovers (msic_ocd) x86/platform/intel-mid: Remove unused leftovers (msic_audio) platform/x86: intel_scu_wdt: Drop mistakenly added const |
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Dan Williams
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4cdadfd5e0 |
cxl/mem: Introduce a driver for CXL-2.0-Type-3 endpoints
The CXL.mem protocol allows a device to act as a provider of "System RAM" and/or "Persistent Memory" that is fully coherent as if the memory was attached to the typical CPU memory controller. With the CXL-2.0 specification a PCI endpoint can implement a "Type-3" device interface and give the operating system control over "Host Managed Device Memory". See section 2.3 Type 3 CXL Device. The memory range exported by the device may optionally be described by the platform firmware memory map, or by infrastructure like LIBNVDIMM to provision persistent memory capacity from one, or more, CXL.mem devices. A pre-requisite for Linux-managed memory-capacity provisioning is this cxl_mem driver that can speak the mailbox protocol defined in section 8.2.8.4 Mailbox Registers. For now just land the initial driver boiler-plate and Documentation/ infrastructure. Signed-off-by: Ben Widawsky <ben.widawsky@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: David Rientjes <rientjes@google.com> (v1) Cc: Jonathan Corbet <corbet@lwn.net> Link: https://www.computeexpresslink.org/download-the-specification Link: https://lore.kernel.org/r/20210217040958.1354670-2-ben.widawsky@intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Andy Shevchenko
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4590d98f5a |
sfi: Remove framework for deprecated firmware
SFI-based platforms are gone. So does this framework. This removes mention of SFI through the drivers and other code as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Linus Torvalds
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7a932e5702 |
asm-generic: cross-architecture timer cleanup
This cleans up two ancient timer features that were never completed in the past, CONFIG_GENERIC_CLOCKEVENTS and CONFIG_ARCH_USES_GETTIMEOFFSET. There was only one user left for the ARCH_USES_GETTIMEOFFSET variant of clocksource implementations, the ARM EBSA110 platform. Rather than changing to use modern timekeeping, we remove the platform entirely as Russell no longer uses his machine and nobody else seems to have one any more. The conditional code for using arch_gettimeoffset() is removed as a result. For CONFIG_GENERIC_CLOCKEVENTS, there are still a couple of platforms not using clockevent drivers: parisc, ia64, most of m68k, and one Arm platform. These all do timer ticks slighly differently, and this gets cleaned up to the point they at least all call the same helper function. Instead of most platforms using 'select GENERIC_CLOCKEVENTS' in Kconfig, the polarity is now reversed, with the few remaining ones selecting LEGACY_TIMER_TICK instead. Signed-off-by: Arnd Bergmann <arnd@arndb.de> -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAl/Y1v8ACgkQmmx57+YA GNmCvQ/9EDlgCt92r8SB+LGafDtgB8TUQZeIrs9S2mByzdxwnw0lxObIXFCnhQgh RpG3dR+ONRDnC5eI149B377JOEFMZWe2+BtYHUHkFARtUEWatslQcz7yAGvVRK/l TS/qReb6piKltlzuanF1bMZbjy2OhlaDRcm+OlC3y5mALR33M4emb+rJ6cSdfk3K v1iZhrxtfQT77ztesh/oPkPiyQ6kNcz7SfpyYOb6f5VLlml2BZ7YwBSVyGY7urHk RL3XqOUP4KKlMEAI8w0E2nvft6Fk+luziBhrMYWK0GvbmI1OESENuX/c6tgT2OQ1 DRaVHvcPG/EAY8adOKxxVyHhEJDSoz5GJV/EtjlOegsJk6RomczR1uuiT3Kvm7Ah PktMKv4xQht1E15KPSKbOvNIEP18w2s5z6gw+jVDv8pw42pVEQManm1D+BICqrhl fcpw6T1drf9UxAjwX4+zXtmNs+a+mqiFG8puU4VVgT4GpQ8umHvunXz2WUjZO0jc 3m8ErJHBvtJwW5TOHGyXnjl9SkwPzHOfF6IcXTYWEDU4/gQIK9TwUvCjLc0lE27t FMCV2ds7/K1CXwRgpa5IrefSkb8yOXSbRZ56NqqF7Ekxw4J5bYRSaY7jb+qD/e+3 5O1y+iPxFrpH+16hSahvzrtcdFNbLQvBBuRtEQOYuHLt2UJrNoU= =QpNs -----END PGP SIGNATURE----- Merge tag 'asm-generic-timers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic cross-architecture timer cleanup from Arnd Bergmann: "This cleans up two ancient timer features that were never completed in the past, CONFIG_GENERIC_CLOCKEVENTS and CONFIG_ARCH_USES_GETTIMEOFFSET. There was only one user left for the ARCH_USES_GETTIMEOFFSET variant of clocksource implementations, the ARM EBSA110 platform. Rather than changing to use modern timekeeping, we remove the platform entirely as Russell no longer uses his machine and nobody else seems to have one any more. The conditional code for using arch_gettimeoffset() is removed as a result. For CONFIG_GENERIC_CLOCKEVENTS, there are still a couple of platforms not using clockevent drivers: parisc, ia64, most of m68k, and one Arm platform. These all do timer ticks slighly differently, and this gets cleaned up to the point they at least all call the same helper function. Instead of most platforms using 'select GENERIC_CLOCKEVENTS' in Kconfig, the polarity is now reversed, with the few remaining ones selecting LEGACY_TIMER_TICK instead" * tag 'asm-generic-timers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: timekeeping: default GENERIC_CLOCKEVENTS to enabled timekeeping: remove xtime_update m68k: remove timer_interrupt() function m68k: change remaining timers to legacy_timer_tick m68k: m68328: use legacy_timer_tick() m68k: sun3/sun3c: use legacy_timer_tick m68k: split heartbeat out of timer function m68k: coldfire: use legacy_timer_tick() parisc: use legacy_timer_tick ARM: rpc: use legacy_timer_tick ia64: convert to legacy_timer_tick timekeeping: add CONFIG_LEGACY_TIMER_TICK timekeeping: remove arch_gettimeoffset net: remove am79c961a driver ARM: remove ebsa110 platform |
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Randy Dunlap
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98701a2a86 |
vdpa: mlx5: fix vdpa/vhost dependencies
drivers/vdpa/mlx5/ uses vhost_iotlb*() interfaces, so select VHOST_IOTLB to make them be built. However, if VHOST_IOTLB is the only VHOST symbol that is set/enabled, the object file still won't be built because drivers/Makefile won't descend into drivers/vhost/ to build it, so make drivers/Makefile build the needed binary whenever VHOST_IOTLB is set, like it does for VHOST_RING. Fixes these build errors: ERROR: modpost: "vhost_iotlb_itree_next" [drivers/vdpa/mlx5/mlx5_vdpa.ko] undefined! ERROR: modpost: "vhost_iotlb_itree_first" [drivers/vdpa/mlx5/mlx5_vdpa.ko] undefined! Fixes: |