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linux/drivers/irqchip
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Marc Zyngier b78f26926b irqchip/gic: Work around broken Renesas integration 
Geert reported that the GIC driver locks up on a Renesas system
since 005c34ae4b44f085 ("irqchip/gic: Atomically update affinity")
fixed the driver to use writeb_relaxed() instead of writel_relaxed().

As it turns out, the interconnect used on this system mandates
32bit wide accesses for all MMIO transactions, even if the GIC
architecture specifically mandates for some registers to be byte
accessible. Gahhh...

Work around the issue by crudly detecting the offending system,
and falling back to an inefficient RMW+lock implementation.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/CAMuHMdV+Ev47K5NO8XHsanSq5YRMCHn2gWAQyV-q2LpJVy9HiQ@mail.gmail.com
2021-09-22 14:44:25 +01:00
..
alphascale_asm9260-icoll.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
exynos-combiner.c
Merge branch irq/generic_handle_domain_irq-core into irq/irqchip-next
2021-06-11 14:32:12 +01:00
irq-al-fic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-alpine-msi.c
irqchip/alpine-msi: Switch to bitmap_zalloc()
2021-07-26 18:01:44 +01:00
irq-apple-aic.c
irqchip/apple-aic: Fix irq_disable from within irq handlers
2021-08-20 14:32:33 +01:00
irq-armada-370-xp.c
irqchip/armada-370-xp: Fix ack/eoi breakage
2021-09-22 14:24:49 +01:00
irq-aspeed-i2c-ic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-aspeed-scu-ic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-aspeed-vic.c
irq: Fix typos in comments
2021-03-22 04:23:14 +01:00
irq-ath79-cpu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-ath79-misc.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ativic32.c
irqchip/ativic32: Constify irq_domain_ops
2020-07-27 08:55:02 +01:00
irq-atmel-aic5.c
irqchip/atmel-aic5: Add support for sam9x60 rtt fixup
2020-06-27 11:55:45 +01:00
irq-atmel-aic-common.c
irqchip/atmel-aic: Remove root argument from ->fixup() prototype
2017-07-04 11:10:37 +01:00
irq-atmel-aic-common.h
irqchip/atmel-aic: Remove root argument from ->fixup() prototype
2017-07-04 11:10:37 +01:00
irq-atmel-aic.c
irqchip/atmel-aic: Fix irq_retrigger callback return value
2020-03-16 15:48:54 +00:00
irq-bcm2835.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-bcm2836.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-bcm6345-l1.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-bcm7038-l1.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-bcm7120-l2.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-brcmstb-l2.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-clps711x.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
irq-crossbar.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-csky-apb-intc.c
irq: Fix typos in comments
2021-03-22 04:23:14 +01:00
irq-csky-mpintc.c
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 11:01:13 -07:00
irq-davinci-aintc.c
irqchip: davinci-aintc: move the driver to drivers/irqchip
2019-02-19 20:02:17 +05:30
irq-davinci-cp-intc.c
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
2019-02-19 20:03:42 +05:30
irq-digicolor.c
irqchip: Convert to using %pOF instead of full_name
2017-08-23 10:09:28 +01:00
irq-dw-apb-ictl.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ftintc010.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq-gic-common.c
irqchip/gic: Split vGIC probing information from the GIC code
2021-06-01 10:45:58 +01:00
irq-gic-common.h
irqchip/gic: Split vGIC probing information from the GIC code
2021-06-01 10:45:58 +01:00
irq-gic-pm.c
irqchip: gic-pm: Remove redundant error log of clock bulk
2021-06-11 14:21:04 +01:00
irq-gic-realview.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq-gic-v2m.c
irqchip/gic-v2m: Switch to bitmap_zalloc()
2021-07-26 18:01:44 +01:00
irq-gic-v3-its-fsl-mc-msi.c
bus: fsl-mc: Add ACPI support for fsl-mc
2020-07-28 15:51:32 +01:00
irq-gic-v3-its-pci-msi.c
irqchip/gic-v3-its: Flag device allocation as proxied if behind a PCI bridge
2020-12-11 14:47:50 +00:00
irq-gic-v3-its-platform-msi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
irq-gic-v3-its.c
irqchip/gic-v3-its: Fix potential VPE leak on error
2021-09-22 14:37:04 +01:00
irq-gic-v3-mbi.c
irqchip/gic-v3: Switch to bitmap_zalloc()
2021-07-26 18:04:01 +01:00
irq-gic-v3.c
Merge branch irq/misc-5.15 into irq/irqchip-next
2021-08-20 15:03:40 +01:00
irq-gic-v4.c
irqchip/gic-v4.1: Disable vSGI upon (GIC CPUIF < v4.1) detection
2021-04-22 15:55:21 +01:00
irq-gic.c
irqchip/gic: Work around broken Renesas integration
2021-09-22 14:44:25 +01:00
irq-goldfish-pic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-hip04.c
irqchip/hisi: Use the correct HiSilicon copyright
2021-04-07 13:25:52 +01:00
irq-i8259.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-idt3243x.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-imgpdc.c
Merge branch irq/generic_handle_domain_irq-core into irq/irqchip-next
2021-06-11 14:32:12 +01:00
irq-imx-gpcv2.c
irqchip/irq-imx-gpcv2: Remove unnecessary oom message
2021-06-11 14:19:47 +01:00
irq-imx-intmux.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-imx-irqsteer.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ingenic-tcu.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ingenic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ixp4xx.c
irqchip/ixp4xx: Register the base PA instead of its VA in fwnode
2019-08-07 14:24:41 +01:00
irq-jcore-aic.c
irqchip/jcore-aic: Kill use of irq_create_strict_mappings()
2021-04-22 15:55:22 +01:00
irq-keystone.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-loongson-htpic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-loongson-htvec.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-loongson-liointc.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-loongson-pch-msi.c
irqchip/loongson-pch-msi: Use bitmap_zalloc() to allocate bitmap
2021-02-09 10:41:40 +00:00
irq-loongson-pch-pic.c
irqchip/loongson-pch-pic: Improve edge triggered interrupt support
2021-08-12 07:57:23 +01:00
irq-lpc32xx.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ls1x.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ls-extirq.c
irqchip/ls-extirq: add IRQCHIP_SKIP_SET_WAKE to the irqchip flags
2021-01-29 11:06:38 +00:00
irq-ls-scfg-msi.c
irqchip/ls-scfg-msi: Switch to devm_bitmap_zalloc()
2021-07-26 18:04:10 +01:00
irq-madera.c
irqchip/madera: Drop GPIO includes
2019-01-17 17:04:24 +00:00
irq-mbigen.c
irqchip/mbigen: Repair non-kernel-doc notation
2021-09-22 14:32:26 +01:00
irq-meson-gpio.c
irq: Fix typos in comments
2021-03-22 04:23:14 +01:00
irq-mips-cpu.c
irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry
2021-07-09 10:18:58 +01:00
irq-mips-gic.c
irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry
2021-07-09 10:18:58 +01:00
irq-mmp.c
irqchip/mmp: Coexist with GIC root IRQ controller
2019-08-30 15:23:30 +01:00
irq-mscc-ocelot.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-mst-intc.c
irqchip/irq-mst: Support polarity configuration
2021-04-07 13:26:00 +01:00
irq-mtk-cirq.c
irq: Fix typos in comments
2021-03-22 04:23:14 +01:00
irq-mtk-sysirq.c
irqchip/mtk-sysirq: Skip setting irq-wake
2021-08-12 08:15:15 +01:00
irq-mvebu-gicp.c
irqchip/mvebu-gicp: Switch to devm_bitmap_zalloc()
2021-07-26 18:04:10 +01:00
irq-mvebu-icu.c
irqchip: Remove redundant error printing
2021-05-16 13:07:18 +01:00
irq-mvebu-odmi.c
irqchip/mvebu-odmi: Switch to bitmap_zalloc()
2021-07-26 18:04:11 +01:00
irq-mvebu-pic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-mvebu-sei.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-mxs.c
irq: Fix typos in comments
2021-03-22 04:23:14 +01:00
irq-nvic.c
irqchip/nvic: Convert from handle_IRQ() to handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-omap-intc.c
irqchip/irq-omap-intc: Do not statically initialize variables
2017-10-16 21:05:14 +02:00
irq-ompic.c
irqchip/ompic: fix return value check in ompic_of_init()
2018-01-04 11:13:22 +00:00
irq-or1k-pic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
irq-orion.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-owl-sirq.c
irqchip: Add Actions Semi Owl SIRQ controller
2020-09-25 16:57:33 +01:00
irq-partition-percpu.c
irqchip/partitions: Switch to bitmap_zalloc()
2021-07-26 18:01:27 +01:00
irq-pic32-evic.c
irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry
2021-07-09 10:18:58 +01:00
irq-pruss-intc.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-rda-intc.c
irqchip/irq-rda-intc: Fix return value check in rda8810_intc_init()
2018-12-18 12:55:23 +00:00
irq-realtek-rtl.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-renesas-h8s.c
genirq: Fix various typos in comments
2018-12-18 14:22:28 +01:00
irq-renesas-h8300h.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq-renesas-intc-irqpin.c
irqchip/renesas-intc-irqpin: Merge irlm_bit and needs_irlm
2020-11-01 11:59:22 +00:00
irq-renesas-irqc.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-renesas-rza1.c
irqchip/renesas-rza1: Use semicolons instead of commas
2021-09-22 14:37:59 +01:00
irq-riscv-intc.c
irqchip/riscv-intc: Fix a typo in a pr_warn()
2020-06-21 15:15:41 +01:00
irq-sa11x0.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-sifive-plic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-sl28cpld.c
irqchip/irq-sl28cpld: Convert comma to semicolon
2020-12-18 17:43:47 +00:00
irq-sni-exiu.c
irqchip/exiu: Fix the index of fwspec for IRQ type
2020-11-22 10:27:23 +00:00
irq-st.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-stm32-exti.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-sun4i.c
irqchip/sun4i: Remove unnecessary oom message
2021-06-11 14:19:51 +01:00
irq-sun6i-r.c
irqchip/sun6i-r: Add wakeup support
2021-01-21 20:21:49 +00:00
irq-sunxi-nmi.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-tb10x.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-tegra.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
irq-ti-sci-inta.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-ti-sci-intr.c
irqchip/ti-sci-intr: Fix freeing of irqs
2020-12-11 14:47:50 +00:00
irq-ts4800.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-uniphier-aidet.c
irqchip/uniphier-aidet: Use devm_platform_ioremap_resource()
2019-09-05 09:28:13 +01:00
irq-versatile-fpga.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-vf610-mscm-ir.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq-vic.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-vt8500.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
irq-wpcm450-aic.c
irqchip: Add driver for WPCM450 interrupt controller
2021-04-07 13:26:00 +01:00
irq-xilinx-intc.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
irq-xtensa-mx.c
drivers/irqchip: xtensa-mx: fix mask and unmask
2019-01-26 02:02:15 -08:00
irq-xtensa-pic.c
drivers/irqchip: xtensa: add warning to irq_retrigger
2019-01-26 02:02:14 -08:00
irq-zevio.c
irqchip: Remove redundant semicolon after while
2019-11-10 18:47:44 +00:00
irqchip.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
Kconfig
irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build
2021-09-22 14:33:09 +01:00
Makefile
ARM: platform support for Apple M1
2021-04-26 12:30:36 -07:00
qcom-irq-combiner.c
irqchip: Bulk conversion to generic_handle_domain_irq()
2021-06-10 13:09:19 +01:00
qcom-pdc.c
irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy
2021-08-23 09:45:31 +01:00
spear-shirq.c
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00