These bug fixes are for the largest part for mvebu/kirkwood, which
saw a few regressions after the clock infrastructure was enabled,
and for OMAP, which showed a few more preexisting bugs with
the new multiplatform support.
Other small fixes are for imx, mxs, tegra, spear and socfpga.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"These bug fixes are for the largest part for mvebu/kirkwood, which saw
a few regressions after the clock infrastructure was enabled, and for
OMAP, which showed a few more preexisting bugs with the new
multiplatform support.
Other small fixes are for imx, mxs, tegra, spear and socfpga"
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
ARM: spear3xx: Use correct pl080 header file
Arm: socfpga: pl330: Add #dma-cells for generic dma binding support
ARM: multiplatform: Sort the max gpio numbers.
ARM: imx: fix typo "DEBUG_IMX50_IMX53_UART"
ARM: imx: pll1_sys should be an initial on clk
arm: mach-orion5x: fix typo in compatible string of a .dts file
arm: mvebu: fix address-cells in mpic DT node
arm: plat-orion: fix address decoding when > 4GB is used
arm: mvebu: Reduce reg-io-width with UARTs
ARM: Dove: add RTC device node
arm: mvebu: enable the USB ports on Armada 370 Reference Design board
ARM: dove: drop "select COMMON_CLK_DOVE"
rtc: rtc-mv: Add support for clk to avoid lockups
gpio: mvebu: Add clk support to prevent lockup
ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
ARM: mxs: cfa10049: Fix fb initialisation function
ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
ARM: OMAP: RX-51: add missing USB phy binding
clk: Tegra: Remove duplicate smp_twd clock
...
Pull m68knommu fixes from Greg Ungerer:
"It contains a few small fixes for the non-MMU m68k platforms. Fixes
some compilation problems, some broken header definitions, removes an
unused config option and adds a name for the old 68000 CPU support."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: drop "select EMAC_INC"
m68knommu: fix misnamed GPIO pin definition for ColdFire 528x CPU
m68knommu: fix MC68328.h defines
m68knommu: fix build when CPU is not coldfire
m68knommu: add CPU_NAME for 68000
k is u32 which never < 0, need type cast, or cause issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
that was introduced with EDMA DMA engine
conversion. The bug has been there since
v3.7 and has been marked for stable update.
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Merge tag 'davinci-for-v3.9-rc/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Via Sekhar Nori <nsekhar@ti.com>:
This patch fixes a boot breakage on DA830
that was introduced with EDMA DMA engine
conversion. The bug has been there since
v3.7 and has been marked for stable update.
* tag 'davinci-for-v3.9-rc/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: edma: fix dmaengine induced null pointer dereference on da830
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 455bd4c430b0 ("ARM: 7668/1: fix memset-related crashes caused by
recent GCC (4.7.2) optimizations") attempted to fix a compliance issue
with the memset return value. However the memset itself became broken
by that patch for misaligned pointers.
This fixes the above by branching over the entry code from the
misaligned fixup code to avoid reloading the original pointer.
Also, because the function entry alignment is wrong in the Thumb mode
compilation, that fixup code is moved to the end.
While at it, the entry instructions are slightly reworked to help dual
issue pipelines.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This adds additional error checking to the private edma api implementation
to catch the case where the edma_alloc_slot() has an invalid controller
parameter. The edma dmaengine wrapper driver relies on this condition
being handled in order to avoid setting up a second edma dmaengine
instance on DA830.
Verfied using a DA850 with the second EDMA controller platform instance
removed to simulate a DA830 which only has a single EDMA controller.
Reported-by: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Matt Porter <mporter@ti.com>
Cc: stable@vger.kernel.org # v3.7.x+
Tested-by: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
The definitions have move around recently, causing build errors
in spear3xx for all configurations:
spear3xx.c:47:5: error: 'PL080_BSIZE_16' undeclared here (not in a function)
spear3xx.c:47:23: error: 'PL080_CONTROL_SB_SIZE_SHIFT' undeclared here (not in a function)
spear3xx.c:48:22: error: 'PL080_CONTROL_DB_SIZE_SHIFT' undeclared here (not in a function)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alessandro Rubini <rubini@gnudd.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
The csum_partial implementation contain optimalizations for the MIPS R2
instruction set. This optimization is never enabled however because the
if directive uses the CPU_MIPSR2 constant which is not defined anywhere.
Use the CONFIG_CPU_MIPSR2 constant instead.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4971/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The ab8500 device is a child of the prcmu device, which is a memory mapped
bus device, whose children are addressable using physical memory addresses,
not using mailboxes, so a mailbox number in the ab8500 node cannot be
parsed by DT. Nothing uses this number, since it was only introduced
as part of the failed attempt to clean up prcmu mailbox handling, and
we can simply remove it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch adds #dma-cells property to PL330 DMA controller nodes for
supporting generic dma dt bindings on SOCFPGA platform. #dma-channels
and #dma-requests are not required now but added in advance.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The first four patches:
89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
de88747 gpio: mvebu: Add clk support to prevent lockup
7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
are Cc'd to stable since they were held over from the previous merge window.
The rest are a small collection of fixes and a couple of devicetree conversion
catchups.
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Merge tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux into fixes
mvebu fixes for v3.9 from Jason Cooper <jason@lakedaemon.net>:
The first four patches:
89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
de88747 gpio: mvebu: Add clk support to prevent lockup
7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
are Cc'd to stable since they were held over from the previous merge window.
The rest are a small collection of fixes and a couple of devicetree conversion
catchups.
* tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux:
arm: mach-orion5x: fix typo in compatible string of a .dts file
arm: mvebu: fix address-cells in mpic DT node
arm: plat-orion: fix address decoding when > 4GB is used
arm: mvebu: Reduce reg-io-width with UARTs
ARM: Dove: add RTC device node
arm: mvebu: enable the USB ports on Armada 370 Reference Design board
ARM: dove: drop "select COMMON_CLK_DOVE"
rtc: rtc-mv: Add support for clk to avoid lockups
gpio: mvebu: Add clk support to prevent lockup
ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix pll1_sys clk initial status
- Fix a typo in imx DEBUG_LL Kconfig
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Merge tag 'imx-fixes-3.9-2' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo <shawn.guo@linaro.org>:
The 2nd take of imx fixes for 3.9:
- Fix pll1_sys clk initial status
- Fix a typo in imx DEBUG_LL Kconfig
* tag 'imx-fixes-3.9-2' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx: fix typo "DEBUG_IMX50_IMX53_UART"
ARM: imx: pll1_sys should be an initial on clk
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix an error caused by incorrect conflict resolution when
applying the patch
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Merge tag 'mxs-fixes-3.9-2' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo <shawn.guo@linaro.org>:
The 2nd mxs fixes for 3.9:
- Fix an error caused by incorrect conflict resolution when
applying the patch
* tag 'mxs-fixes-3.9-2' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs: cfa10049: Fix fb initialisation function
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When building a multiplatform kernel, we could end up with a smaller
number of GPIOs than the one required by the platform the kernel was
running on.
Sort the max GPIO number by descending order so that we always take the
highest number required.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rob Herring has observed that c81611c4e96f "xen: event channel arrays are
xen_ulong_t and not unsigned long" introduced a compile failure when building
without CONFIG_AEABI:
/tmp/ccJaIZOW.s: Assembler messages:
/tmp/ccJaIZOW.s:831: Error: even register required -- `ldrexd r5,r6,[r4]'
Will Deacon pointed out that this is because OABI does not require even base
registers for 64-bit values. We can avoid this by simply using the existing
atomic64_xchg operation and the same containerof trick as used by the cmpxchg
macros. However since this code is used on memory which is shared with the
hypervisor we require proper atomic instructions and cannot use the generic
atomic64 callbacks (which are based on spinlocks), therefore add a dependency
on !GENERIC_ATOMIC64. Since we already depend on !CPU_V6 there isn't much
downside to this.
While thinking about this we also observed that OABI has different struct
alignment requirements to EABI, which is a problem for hypercall argument
structs which are shared with the hypervisor and which must be in EABI layout.
Since I don't expect people to want to run OABI kernels on Xen depend on
CONFIG_AEABI explicitly too (although it also happens to be enforced by the
!GENERIC_ATOMIC64 requirement too).
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Rob Herring <robherring2@gmail.com>
Acked-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Pull perf fixes from Ingo Molnar:
"Misc minor fixes mostly related to tracing"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
s390: Fix a header dependencies related build error
tracing: update documentation of snapshot utility
tracing: Do not return EINVAL in snapshot when not allocated
tracing: Add help of snapshot feature when snapshot is empty
ftrace: Update the kconfig for DYNAMIC_FTRACE
CC drivers/mmc/host/mmc_spi.o
drivers/mmc/host/mmc_spi.c:118: error: redefinition of 'struct scratch'
make[3]: *** [drivers/mmc/host/mmc_spi.o] Error 1
make[2]: *** [drivers/mmc/host] Error 2
make[1]: *** [drivers/mmc] Error 2
make: *** [drivers] Error 2
CC arch/arc/kernel/kgdb.o
In file included from include/linux/kgdb.h:20,
from arch/arc/kernel/kgdb.c:11:
/home/vineetg/arc/k.org/arc-port/arch/arc/include/asm/kgdb.h:34:
warning: 'struct pt_regs' declared inside parameter list
/home/vineetg/arc/k.org/arc-port/arch/arc/include/asm/kgdb.h:34:
warning: its scope is only this definition or declaration, which is
probably not what you want
arch/arc/kernel/kgdb.c:172: error: conflicting types for 'kgdb_trap'
CC arch/arc/kernel/kgdb.o
arch/arc/kernel/kgdb.c: In function 'pt_regs_to_gdb_regs':
arch/arc/kernel/kgdb.c:62: error: dereferencing pointer to incomplete
type
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Commit f8c95fe (ARM: imx: support DEBUG_LL uart port selection for all
i.MX SoCs) had a typo that DEBUG_IMX50_IMX53_UART should be
DEBUG_IMX53_UART.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The following patch adds support for correctly
recognizing SPARC-X chips.
cpu : Unknown SUN4V CPU
fpu : Unknown SUN4V FPU
pmu : Unknown SUN4V PMU
Signed-off-by: Katayama Yoshihiro <kata1@jp.fujitsu.com>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 877c685607925238e302cd3aa38788dca6c1b226
("perf: Remove include of cgroup.h from perf_event.h") caused
this build failure if PERF_EVENTS is enabled:
In file included from arch/s390/include/asm/perf_event.h:9:0,
from include/linux/perf_event.h:24,
from kernel/events/ring_buffer.c:12:
arch/s390/include/asm/cpu_mf.h: In function 'qctri':
arch/s390/include/asm/cpu_mf.h:61:12: error: 'EINVAL' undeclared (first use in this function)
cpu_mf.h had an implicit errno.h dependency, which was added
indirectly via cgroups.h but not anymore. Add it explicitly.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Link: http://lkml.kernel.org/r/51385F79.7000106@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The tty below tty_port might get destroyed by the tty layer
while we hold a reference to it.
So we have to carry tty_port around...
Signed-off-by: Richard Weinberger <richard@nod.at>
As we setup the SIGWINCH handler in tty_port_operations->activate
it makes sense to tear down it in ->destruct.
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/os-Linux/signal.c:18:8: error: conflicting types for 'sig_info'
In file included from /home/slyfox/linux-2.6/arch/um/os-Linux/signal.c:12:0:
arch/um/include/shared/as-layout.h:64:15: note: previous declaration of 'sig_info' was here
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
CC: Jeff Dike <jdike@addtoit.com>
CC: Richard Weinberger <richard@nod.at>
CC: "Martin Pärtel" <martin.partel@gmail.com>
CC: Al Viro <viro@zeniv.linux.org.uk>
CC: user-mode-linux-devel@lists.sourceforge.net
CC: user-mode-linux-user@lists.sourceforge.net
CC: linux-kernel@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/os-Linux/start_up.c: In function 'check_coredump_limit':
arch/um/os-Linux/start_up.c:338:16: error: storage size of 'lim' isn't known
arch/um/os-Linux/start_up.c:339:2: error: implicit declaration of function 'getrlimit' [-Werror=implicit-function-declaration]
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
CC: Jeff Dike <jdike@addtoit.com>
CC: Richard Weinberger <richard@nod.at>
CC: Al Viro <viro@zeniv.linux.org.uk>
CC: user-mode-linux-devel@lists.sourceforge.net
CC: user-mode-linux-user@lists.sourceforge.net
CC: linux-kernel@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
This new version moves the skb_tx_timestamp in the main uml
driver. This should avoid the need to call this function in each
transport (vde, slirp, tuntap, ...). It also add support for ethtool
get_ts_info.
Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
We always boot from PLL1, so let's have pll1_sys in the clks_init_on
list to have clk prepare/enable use count match the hardware status,
so that drivers managing pll1_sys like cpufreq can get the use count
right from the start.
Reported-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Pull namespace bugfixes from Eric Biederman:
"This is three simple fixes against 3.9-rc1. I have tested each of
these fixes and verified they work correctly.
The userns oops in key_change_session_keyring and the BUG_ON triggered
by proc_ns_follow_link were found by Dave Jones.
I am including the enhancement for mount to only trigger requests of
filesystem modules here instead of delaying this for the 3.10 merge
window because it is both trivial and the kind of change that tends to
bit-rot if left untouched for two months."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
proc: Use nd_jump_link in proc_ns_follow_link
fs: Limit sys_mount to only request filesystem modules (Part 2).
fs: Limit sys_mount to only request filesystem modules.
userns: Stop oopsing in key_change_session_keyring
Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
alpha: boot: fix build breakage introduced by system.h disintegration
memcg: initialize kmem-cache destroying work earlier
Randy has moved
ksm: fix m68k build: only NUMA needs pfn_to_nid
dmi_scan: fix missing check for _DMI_ signature in smbios_present()
Revert parts of "hlist: drop the node parameter from iterators"
idr: remove WARN_ON_ONCE() on negative IDs
mm/mempolicy.c: fix sp_node_init() argument ordering
mm/mempolicy.c: fix wrong sp_node insertion
ipc: don't allocate a copy larger than max
ipc: fix potential oops when src msg > 4k w/ MSG_COPY
Commit ec2212088c42 ("Disintegrate asm/system.h for Alpha") removed the
system.h include from boot/head.S, which puts the PAL_* asm constants
out of scope.
Include <asm/pal.h> so we can get building again.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: David Rusling <david.rusling@linaro.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull tile architecture fixes from Chris Metcalf:
"This fixes the bug that Al Viro spotted with the compat llseek code.
I also fixed the compat syscall definitions to use the new syscall
define macros to properly sign-extend their arguments."
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: properly use COMPAT_SYSCALL_DEFINEx
tile: work around bug in the generic sys_llseek
- remove SET_PERSONALITY(): use default definition like other arches
now do.
- inhibit NUMA balancing: like SH, NUMA is used for memories with
different latencies. ARCH_WANT_VARIABLE_LOCALITY has been added for
this purpose.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Merge tag 'metag-for-v3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag bugfixes from James Hogan:
"A couple of fairly minor arch/metag integration fixes from v3.9-rc1:
- remove SET_PERSONALITY(): use default definition like other arches
now do.
- inhibit NUMA balancing: like SH, NUMA is used for memories with
different latencies. ARCH_WANT_VARIABLE_LOCALITY has been added
for this purpose."
* tag 'metag-for-v3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: Inhibit NUMA balancing.
metag: remove SET_PERSONALITY()
The orion5x-lacie-ethernet-disk-mini-v2.dts file was using
"marvell-orion5x-88f5182" as a compatible string, while it should have
been "marvell,orion5x-88f5182".
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
There is no need to have a #address-cells property in the MPIC Device
Tree node, and more than that, having it confuses the of_irq_map_raw()
logic, which will be used by the Marvell PCIe driver.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
During the system initialization, the orion_setup_cpu_mbus_target()
function reads the SDRAM address decoding registers to find out how
many chip-selects of SDRAM have been enabled, and builds a small array
with one entry per chip-select. This array is then used by device
drivers (XOR, Ethernet, etc.) to configure their own address decoding
windows to the SDRAM.
However, devices can only access the first 32 bits of the physical
memory. Even though LPAE is not supported for now, some Marvell boards
are now showing up with 8 GB of RAM, configured using two SDRAM
address decoding windows: the first covering the first 4 GB, the
second covering the last 4 GB. The array built by
orion_setup_cpu_mbus_target() has therefore two entries, and device
drivers try to set up two address decoding windows to the
SDRAM. However, in the device registers for the address decoding, the
base address is only 32 bits, so those two windows overlap each other,
and the devices do not work at all.
This patch makes sure that the array built by
orion_setup_cpu_mbus_target() only contains the SDRAM decoding windows
that correspond to the first 4 GB of the memory. To do that, it
ignores the SDRAM decoding windows for which the 4 low-order bits are
not zero (the 4 low-order bits of the base register are used to store
bits 32:35 of the base address, so they actually indicate whether the
base address is above 4 GB).
This patch allows the newly introduced armada-xp-gp board to properly
operate when it is mounted with more than 4 GB of RAM. Without that,
all devices doing DMA (for example XOR and Ethernet) do not work at
all.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Setting the reg-io-width to 1 byte represents more accurate
description of the HW.
This will fix an issue where UART driver causes kernel
panic during bootup. Gregory CLEMENT traced the issue to
autoconfig() in 8250.c, where the existence of FIFO is
checked from UART_IIR register. The register is now read as
32-bit value as the reg-io-width is set to 4-bytes. The
retuned value seems to contain bogus data for bits 31:8,
causing the issue.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The commit:
48be9ac ARM: Dove: split legacy and DT setup
removed the RTC initialization. This patch re-enables the RTC
via the DT.
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This patch modifies the Armada 370 Reference Design DTS file to enable
support for the two USB ports found on this board.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Commit 5b03df9ace680d7cdd34a69dfd85ca5f74159d18 ("ARM: dove: switch to
DT clock providers") added "select COMMON_CLK_DOVE" to Marvell Dove's
Kconfig entry. But there's no Kconfig symbol COMMON_CLK_DOVE, which
makes this select statement a nop. It's probably a leftover of some
experimental code that never hit mainline. Drop it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Marvell RTC on Kirkwood makes use of the runit clock. Ensure the
driver clk_prepare_enable() this clock, otherwise there is a danger
the SoC will lockup when accessing RTC registers with the clock
disabled.
Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The kirkwood SoC GPIO cores use the runit clock. Add code to
clk_prepare_enable() runit, otherwise there is a danger of locking up
the SoC by accessing the GPIO registers when runit clock is not
ticking.
Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The ethernet controller used on kirkwood looses its MAC address
register contents when the corresponding clock is gated. As soon as
mv643xx_eth is built as module, the clock gets gated and when loading
the module, the MAC address is gone.
Proper DT support for the mv643xx_eth driver is expected soon, so we add
a workaround to always enable ge0/ge1 clocks on kirkwood. This workaround
is also already used on non-DT kirkwood kernels.
Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
When DT support for kirkwood was first introduced, there was no clock
infrastructure. As a result, we had to manually pass the
clock-frequency to the driver from the device node.
Unfortunately, on kirkwood, with minimal config or all module configs,
clock-frequency breaks booting because of_serial doesn't consume the
gate_clk when clock-frequency is defined.
The end result on kirkwood is that runit gets gated, and then the boot
fails when the kernel tries to write to the serial port.
Fix the issue by removing the clock-frequency parameter from all
kirkwood dts files.
Booted on dreamplug without earlyprintk and successfully logged in via
ttyS0.
Reported-by: Simon Baatz <gmbnomis@gmail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
mmc/host.h provides MMC_CAP_SD_HIGHSPEED which is used in board-marzen.c
This resolves a build problem observed when compiling with
"mmc: tmio: remove unused and deprecated symbols" applied.
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Pull x86 fixes from Peter Anvin:
"Several boot fixes (MacBook, legacy EFI bootloaders), another
please-don't-brick fix, and some minor stuff."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Do not try to sync identity map for non-mapped pages
x86, doc: Be explicit about what the x86 struct boot_params requires
x86: Don't clear efi_info even if the sentinel hits
x86, mm: Make sure to find a 2M free block for the first mapped area
x86: Fix 32-bit *_cpu_data initializers
efivarfs: return accurate error code in efivarfs_fill_super()
efivars: efivarfs_valid_name() should handle pstore syntax
efi: be more paranoid about available space when creating variables
iommu, x86: Add DMA remap fault reason
x86, smpboot: Remove unused variable
Pull ARM fixes from Russell King:
"Mainly a group of fixes, the only exception is the wiring up of the
kcmp syscall now that those patches went in during the last merge
window."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7668/1: fix memset-related crashes caused by recent GCC (4.7.2) optimizations
ARM: 7667/1: perf: Fix section mismatch on armpmu_init()
ARM: 7666/1: decompressor: add -mno-single-pic-base for building the decompressor
ARM: 7665/1: Wire up kcmp syscall
ARM: 7664/1: perf: remove erroneous semicolon from event initialisation
ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit
ARM: 7662/1: hw_breakpoint: reset debug logic on secondary CPUs in s2ram resume
ARM: 7661/1: mm: perform explicit branch predictor maintenance when required
ARM: 7660/1: tlb: add branch predictor maintenance operations
ARM: 7659/1: mm: make mm->context.id an atomic64_t variable
ARM: 7658/1: mm: fix race updating mm->context.id on ASID rollover
ARM: 7657/1: head: fix swapper and idmap population with LPAE and big-endian
ARM: 7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp
ARM: 7652/1: mm: fix missing use of 'asid' to get asid value from mm->context.id
ARM: 7642/1: netx: bump IRQ offset to 64
kernel_map_sync_memtype() is called from a variety of contexts. The
pat.c code that calls it seems to ensure that it is not called for
non-ram areas by checking via pat_pagerange_is_ram(). It is important
that it only be called on the actual identity map because there *IS*
no map to sync for highmem pages, or for memory holes.
The ioremap.c uses are not as careful as those from pat.c, and call
kernel_map_sync_memtype() on PCI space which is in the middle of the
kernel identity map _range_, but is not actually mapped.
This patch adds a check to kernel_map_sync_memtype() which probably
duplicates some of the checks already in pat.c. But, it is necessary
for the ioremap.c uses and shouldn't hurt other callers.
I have reproduced this bug and this patch fixes it for me and the
original bug reporter:
https://lkml.org/lkml/2013/2/5/396
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20130307163151.D9B58C4E@kernel.stglabs.ibm.com
Signed-off-by: Dave Hansen <dave@sr71.net>
Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Recent GCC versions (e.g. GCC-4.7.2) perform optimizations based on
assumptions about the implementation of memset and similar functions.
The current ARM optimized memset code does not return the value of
its first argument, as is usually expected from standard implementations.
For instance in the following function:
void debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
{
memset(waiter, MUTEX_DEBUG_INIT, sizeof(*waiter));
waiter->magic = waiter;
INIT_LIST_HEAD(&waiter->list);
}
compiled as:
800554d0 <debug_mutex_lock_common>:
800554d0: e92d4008 push {r3, lr}
800554d4: e1a00001 mov r0, r1
800554d8: e3a02010 mov r2, #16 ; 0x10
800554dc: e3a01011 mov r1, #17 ; 0x11
800554e0: eb04426e bl 80165ea0 <memset>
800554e4: e1a03000 mov r3, r0
800554e8: e583000c str r0, [r3, #12]
800554ec: e5830000 str r0, [r3]
800554f0: e5830004 str r0, [r3, #4]
800554f4: e8bd8008 pop {r3, pc}
GCC assumes memset returns the value of pointer 'waiter' in register r0; causing
register/memory corruptions.
This patch fixes the return value of the assembly version of memset.
It adds a 'mov' instruction and merges an additional load+store into
existing load/store instructions.
For ease of review, here is a breakdown of the patch into 4 simple steps:
Step 1
======
Perform the following substitutions:
ip -> r8, then
r0 -> ip,
and insert 'mov ip, r0' as the first statement of the function.
At this point, we have a memset() implementation returning the proper result,
but corrupting r8 on some paths (the ones that were using ip).
Step 2
======
Make sure r8 is saved and restored when (! CALGN(1)+0) == 1:
save r8:
- str lr, [sp, #-4]!
+ stmfd sp!, {r8, lr}
and restore r8 on both exit paths:
- ldmeqfd sp!, {pc} @ Now <64 bytes to go.
+ ldmeqfd sp!, {r8, pc} @ Now <64 bytes to go.
(...)
tst r2, #16
stmneia ip!, {r1, r3, r8, lr}
- ldr lr, [sp], #4
+ ldmfd sp!, {r8, lr}
Step 3
======
Make sure r8 is saved and restored when (! CALGN(1)+0) == 0:
save r8:
- stmfd sp!, {r4-r7, lr}
+ stmfd sp!, {r4-r8, lr}
and restore r8 on both exit paths:
bgt 3b
- ldmeqfd sp!, {r4-r7, pc}
+ ldmeqfd sp!, {r4-r8, pc}
(...)
tst r2, #16
stmneia ip!, {r4-r7}
- ldmfd sp!, {r4-r7, lr}
+ ldmfd sp!, {r4-r8, lr}
Step 4
======
Rewrite register list "r4-r7, r8" as "r4-r8".
Signed-off-by: Ivan Djelic <ivan.djelic@parrot.com>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
