From 14e0e6796a0d460ac6f7727616161dc317bbbf3a Mon Sep 17 00:00:00 2001 From: Hiroshi DOYU Date: Fri, 28 Aug 2009 10:54:41 -0700 Subject: OMAP: iommu: add initial debugfs support This enables to peek the following data. $ /debug/iommu/isp# ls mem nr_tlb_entries regs mmap pagetable tlb $ /debug/iommu/isp# head pagetable L: da: pa: ----------------------------------------- 2: 00001000 8ae4a002 2: 00002000 8e7bb002 2: 00003000 8ae49002 2: 00004000 8ae65002 ..... Signed-off-by: Hiroshi DOYU Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/include/mach/iommu.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm/plat-omap/include/mach') diff --git a/arch/arm/plat-omap/include/mach/iommu.h b/arch/arm/plat-omap/include/mach/iommu.h index 769b00b4c34..46d41ac83db 100644 --- a/arch/arm/plat-omap/include/mach/iommu.h +++ b/arch/arm/plat-omap/include/mach/iommu.h @@ -95,7 +95,7 @@ struct iommu_functions { void (*save_ctx)(struct iommu *obj); void (*restore_ctx)(struct iommu *obj); - ssize_t (*dump_ctx)(struct iommu *obj, char *buf); + ssize_t (*dump_ctx)(struct iommu *obj, char *buf, ssize_t len); }; struct iommu_platform_data { @@ -162,7 +162,7 @@ extern void uninstall_iommu_arch(const struct iommu_functions *ops); extern int foreach_iommu_device(void *data, int (*fn)(struct device *, void *)); -extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf); -extern size_t dump_tlb_entries(struct iommu *obj, char *buf); +extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len); +extern size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t len); #endif /* __MACH_IOMMU_H */ -- cgit v1.2.3