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linux_dsm_epyc7002/Documentation/devicetree/bindings/interrupt-controller
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Will Deacon 4aff7b8546 dt-bindings: arm, gic-v3: require that reserved cells are always 0 
The arm,gic-v3 binding was written with good intentions and doesn't
enforce interrupt-cells to be 3, therefore making it easy to extend
the irq description in future if necessary:

  > Cells 4 and beyond are reserved for future use.

Unfortunately, this sentence is immediately followed up with:

  > When the 1st cell has a value of 0 or 1, cells 4 and beyond act as
  > padding, and may be ignored. It is recommended that padding cells
  > have a value of 0.

Consequently, any extensions to the PPI or SPI interrupt specifiers must
be able to work with random crap from legacy DTs, effectively
necessitating a new interrupt type in the first cell. Sigh.

This patch fixes the text so that additional, reserved cells are
required to be zero. This looks like a reasonable thing to require and
is already satisifed by the .dts files in-tree.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-02-12 16:15:25 -06:00
..
abilis,tb10x-ictl.txt irqchip: Add TB10x interrupt controller driver 2013-06-25 18:54:21 +02:00
allwinner,sun4i-ic.txt irqchip: sunxi: Change compatibles 2014-03-14 13:43:32 +01:00
allwinner,sunxi-nmi.txt irqchip/sunxi-nmi: Add sun9i-a80 variant to binding doc 2015-12-03 12:53:39 +00:00
arm,gic-v3.txt dt-bindings: arm, gic-v3: require that reserved cells are always 0 2016-02-12 16:15:25 -06:00
arm,gic.txt irqchip/gic: Fix ARM11MPCore GIC bindings 2015-12-16 15:30:50 +00:00
arm,versatile-fpga-irq.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
arm,vic.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
atmel,aic.txt irqchip: atmel-aic5: Add sama5d2 support 2015-06-18 15:29:52 +02:00
axis,crisv32-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
brcm,bcm2835-armctrl-ic.txt irqchip/bcm2835: Add support for being used as a second level controller 2015-08-20 22:38:41 +02:00
brcm,bcm2836-l1-intc.txt irqchip: Add documentation for the bcm2836 interrupt controller 2015-08-20 22:38:42 +02:00
brcm,bcm3380-l2-intc.txt IRQCHIP: bcm7120-l2: Add support for BCM3380-style controllers 2015-04-01 17:21:37 +02:00
brcm,bcm7038-l1-intc.txt IRQCHIP: Add new driver for BCM7038-style level 1 interrupt controllers 2015-04-01 17:21:37 +02:00
brcm,bcm7120-l2-intc.txt IRQCHIP: bcm7120-l2: Split STB-specific logic into its own function 2015-04-01 17:21:37 +02:00
brcm,l2-intc.txt Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding 2014-05-27 14:43:36 +00:00
cdns,xtensa-mx.txt irqchip: xtensa-pic: xtensa-mx: document DT bindings 2015-04-13 09:02:45 +03:00
cdns,xtensa-pic.txt irqchip: xtensa-pic: xtensa-mx: document DT bindings 2015-04-13 09:02:45 +03:00
cirrus,clps711x-intc.txt ARM: dts: clps711x: Add bindings documentation for CLPS711X irqchip driver 2014-02-28 17:31:09 +01:00
digicolor-ic.txt irqchip: Devicetree: document Conexant Digicolor irq binding 2015-01-26 11:38:23 +01:00
hisilicon,mbigen-v2.txt dt-bindings: Documents the mbigen bindings 2015-12-18 11:44:20 +00:00
img,meta-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
img,pdc-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
ingenic,intc.txt devicetree: document Ingenic SoC interrupt controller binding 2015-06-21 21:52:56 +02:00
intel,ce4100-ioapic.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
interrupts.txt of/irq: Drop obsolete 'interrupts' vs 'interrupts-extended' text 2014-11-18 11:34:35 -06:00
lsi,zevio-intc.txt irqchip: Add support for TI-NSPIRE irqchip 2014-01-22 21:48:55 +01:00
marvell,armada-370-xp-mpic.txt irqchip: armada-370-xp: Move the devicetree binding documentation 2014-05-19 02:08:06 +00:00
marvell,orion-intc.txt irqchip: Add support for Marvell Orion SoCs 2013-06-11 16:18:50 +02:00
mediatek,sysirq.txt Document: DT: Add bindings for mediatek MT2701 SoC Platform 2015-11-20 13:59:04 +01:00
microchip,pic32-evic.txt dt/bindings: Add bindings for PIC32 interrupt controller 2016-01-24 02:51:19 +01:00
mips-gic.txt CLOCKSOURCE: mips-gic: Allow GIC clock to be specified in device-tree 2015-04-01 17:22:11 +02:00
mrvl,intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
msi.txt Docs: dt: add generic MSI bindings 2015-08-25 11:29:57 -05:00
nvidia,tegra-ictlr.txt DT: tegra: add binding for the legacy interrupt controller 2015-03-15 00:40:49 +00:00
nxp,lpc3220-mic.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
open-pic.txt dt-bindings: consolidate various misc bindings 2015-10-22 09:21:23 -05:00
opencores,or1k-pic.txt irqchip: or1k-pic: Migrate from arch/openrisc/ 2014-07-01 12:15:06 +00:00
qca,ath79-cpu-intc.txt DEVICETREE: Add bindings for the ATH79 interrupt controllers 2015-06-21 21:54:03 +02:00
qca,ath79-misc-intc.txt dt-bindings: Misc fix for the ATH79 MISC interrupt controllers 2015-12-09 15:30:50 -06:00
renesas,h8s-intc.txt h8300: IRQ chip driver 2015-06-23 13:35:56 +09:00
renesas,h8300h-intc.txt h8300: IRQ chip driver 2015-06-23 13:35:56 +09:00
renesas,intc-irqpin.txt irqchip: renesas: intc-irqpin: Improve binding documentation 2015-06-05 22:26:33 +02:00
renesas,irqc.txt irqchip/renesas-irqc: Add r8a7795 INTC-EX DT documentation 2015-09-29 20:41:00 +02:00
samsung,exynos4210-combiner.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
samsung,s3c24xx-irq.txt irqchip: s3c24xx: add devicetree support 2013-04-04 14:56:30 +09:00
snps,arc700-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
snps,archs-idu-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
snps,archs-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
snps,dw-apb-ictl.txt irqchip: add DesignWare APB ICTL interrupt controller 2013-12-13 16:29:40 +01:00
st,spear3xx-shirq.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
st,sti-irq-syscfg.txt irqchip: st: Add documentation for STi based syscfg IRQs 2015-03-03 19:50:02 +00:00
technologic,ts4800.txt irqchip/ts4800: Add documentation for TS-4800 interrupt controller 2015-12-29 11:58:53 +01:00
ti,c64x+megamod-pic.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
ti,cp-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
ti,keystone-irq.txt irqchip: keystone: Add irq controller ip driver 2014-08-17 19:13:23 +00:00
ti,omap2-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00
ti,omap4-wugen-mpu DT: omap4/5: add binding for the wake-up generator 2015-03-15 00:56:08 +00:00
ti,omap-intc-irq.txt irqchip: omap-intc: Fix support for dm814 and dm816 2015-01-26 11:38:23 +01:00
via,vt8500-intc.txt dt-bindings: consolidate interrupt controller bindings 2015-10-22 09:21:25 -05:00