From 774dfc9bb7f2ab1950a790a8f13eca3d5c580033 Mon Sep 17 00:00:00 2001 From: Hiroshi DOYU Date: Thu, 10 May 2012 10:45:32 +0300 Subject: iommu/tegra: gart: Fix register offset correctly DT passes the exact GART register ranges without any overlapping with MC register ranges. GART register offset needs to be adjusted by one passed by DT correctly. Signed-off-by: Hiroshi DOYU Acked-by: Stephen Warren Signed-off-by: Joerg Roedel --- drivers/iommu/tegra-gart.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/iommu/tegra-gart.c') diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 40533bba6254..0c0a37792218 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -36,9 +36,10 @@ /* bitmap of the page sizes currently supported */ #define GART_IOMMU_PGSIZES (SZ_4K) -#define GART_CONFIG 0x24 -#define GART_ENTRY_ADDR 0x28 -#define GART_ENTRY_DATA 0x2c +#define GART_REG_BASE 0x24 +#define GART_CONFIG (0x24 - GART_REG_BASE) +#define GART_ENTRY_ADDR (0x28 - GART_REG_BASE) +#define GART_ENTRY_DATA (0x2c - GART_REG_BASE) #define GART_ENTRY_PHYS_ADDR_VALID (1 << 31) #define GART_PAGE_SHIFT 12 -- cgit