[PATCH v2 7/9] ARM: OMAP: iommu: optimize save and restore routines
From: tony@atomide.com (Tony Lindgren)
Date: 2012-09-18 18:04:44
Also in:
linux-devicetree, linux-omap, lkml
* Omar Ramirez Luna [off-list ref] [120912 12:47]:
quoted hunk ↗ jump to hunk
--- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h@@ -27,6 +27,13 @@ struct iotlb_entry { }; }; +/* context registers */ +struct iommu_regs { + u32 irqen; + u32 cntl; + u32 ttb; +}; + struct omap_iommu { const char *name; struct module *owner;@@ -50,7 +57,8 @@ struct omap_iommu { struct list_head mmap; struct mutex mmap_lock; /* protect mmap */ - void *ctx; /* iommu context: registres saved area */ + struct iommu_regs context; + int ctx_loss_cnt; u32 da_start; u32 da_end; }; --- a/arch/arm/plat-omap/include/plat/iommu2.h +++ b/arch/arm/plat-omap/include/plat/iommu2.h@@ -35,8 +35,6 @@ #define MMU_READ_RAM 0x6c #define MMU_EMU_FAULT_AD 0x70 -#define MMU_REG_SIZE 256 - /* * MMU Register bit definitions */
These headers should be moved to include/linux/platform_data/iommu-omap.h or something like that. Care to take care of that too? I guess there's no reason to have both iommu.h and iommuh2.h? Regards, Tony