From: Kanigeri, Hari Date: Mon, 24 May 2010 02:01:50 +0000 (+0000) Subject: omap iommu: update irq mask to be specific about twl and tlb X-Git-Tag: upstream/snapshot3+hdmi~13704^2~85^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=993dd17e32cfb6cc058e1a4394dd113edf764186;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git omap iommu: update irq mask to be specific about twl and tlb Revise the IRQ mask definitions to handle the MMU faults related to TWL fault as well as TLB miss fault. Signed-off-by: Hari Kanigeri Signed-off-by: Hiroshi Doyu --- diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index e82da68..ebbdae2 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -44,9 +44,13 @@ #define MMU_IRQ_EMUMISS (1 << 2) #define MMU_IRQ_TRANSLATIONFAULT (1 << 1) #define MMU_IRQ_TLBMISS (1 << 0) -#define MMU_IRQ_MASK \ - (MMU_IRQ_MULTIHITFAULT | MMU_IRQ_TABLEWALKFAULT | MMU_IRQ_EMUMISS | \ - MMU_IRQ_TRANSLATIONFAULT) + +#define __MMU_IRQ_FAULT \ + (MMU_IRQ_MULTIHITFAULT | MMU_IRQ_EMUMISS | MMU_IRQ_TRANSLATIONFAULT) +#define MMU_IRQ_MASK \ + (__MMU_IRQ_FAULT | MMU_IRQ_TABLEWALKFAULT | MMU_IRQ_TLBMISS) +#define MMU_IRQ_TWL_MASK (__MMU_IRQ_FAULT | MMU_IRQ_TABLEWALKFAULT) +#define MMU_IRQ_TLB_MISS_MASK (__MMU_IRQ_FAULT | MMU_IRQ_TLBMISS) /* MMU_CNTL */ #define MMU_CNTL_SHIFT 1 @@ -96,7 +100,7 @@ static int omap2_iommu_enable(struct iommu *obj) l |= (MMU_SYS_IDLE_SMART | MMU_SYS_AUTOIDLE); iommu_write_reg(obj, l, MMU_SYSCONFIG); - iommu_write_reg(obj, MMU_IRQ_MASK, MMU_IRQENABLE); + iommu_write_reg(obj, MMU_IRQ_TWL_MASK, MMU_IRQENABLE); iommu_write_reg(obj, pa, MMU_TTB); l = iommu_read_reg(obj, MMU_CNTL);