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authorJoerg Roedel <jroedel@suse.de>2015-01-07 15:31:36 +0800
committerThomas Gleixner <tglx@linutronix.de>2015-01-15 11:24:23 +0100
commit69cf1d8a1286a7bfbeec497b69c43cc7ebb2a787 (patch)
tree8d8062607fc72a455e7e789c5ec3e41ae80cf7ff /drivers/gpio/gpio-cs5535.c
parent2966d9566beb39c53477c96525820b9415de7a7d (diff)
iommu/vt-d: Allocate IRQ remapping data structures only for all IOMMUs
IRQ remapping is only supported when all IOMMUs in the system support it. So check if all IOMMUs in the system support IRQ remapping before doing the allocations. [Jiang] 1) Rebased to v3.19. 2) Remove redundant check of ecap_ir_support(iommu->ecap) in function intel_enable_irq_remapping(). Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Tested-by: Joerg Roedel <joro@8bytes.org> Cc: Tony Luck <tony.luck@intel.com> Cc: iommu@lists.linux-foundation.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1420615903-28253-10-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpio/gpio-cs5535.c')
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