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authorStepan Moskovchenko <stepanm@codeaurora.org>2011-02-28 16:04:55 -0800
committerDavid Brown <davidb@codeaurora.org>2011-03-08 14:42:30 -0800
commitb0e7808d548ea1d857216d31d63078411203a116 (patch)
treeeed2f1cd89faf7b5f84e649947cb086aa9ffd7a6 /arch/arm/mach-msm/include/mach
parenta43d8c101eb71bf4527dd7f36a34a5a502894f38 (diff)
msm: iommu: Don't read from write-only registers
Don't read from V2Pxx command registers when doing iova-to-phys operations. These registers are write-only and reading the value before modifying the VA bits is unnecessary. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-msm/include/mach')
-rw-r--r--arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h28
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h b/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h
index bbd397cff6c..fc160101dea 100644
--- a/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h
+++ b/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h
@@ -625,20 +625,6 @@ do { \
#define SET_INDEX(b, c, v) SET_CONTEXT_FIELD(b, c, V2PSR, INDEX, v)
-/* V2Pxx UW UR PW PR */
-#define SET_V2PUW_INDEX(b, c, v) SET_CONTEXT_FIELD(b, c, V2PUW, V2Pxx_INDEX, v)
-#define SET_V2PUW_VA(b, c, v) SET_CONTEXT_FIELD(b, c, V2PUW, V2Pxx_VA, v)
-
-#define SET_V2PUR_INDEX(b, c, v) SET_CONTEXT_FIELD(b, c, V2PUR, V2Pxx_INDEX, v)
-#define SET_V2PUR_VA(b, c, v) SET_CONTEXT_FIELD(b, c, V2PUR, V2Pxx_VA, v)
-
-#define SET_V2PPW_INDEX(b, c, v) SET_CONTEXT_FIELD(b, c, V2PPW, V2Pxx_INDEX, v)
-#define SET_V2PPW_VA(b, c, v) SET_CONTEXT_FIELD(b, c, V2PPW, V2Pxx_VA, v)
-
-#define SET_V2PPR_INDEX(b, c, v) SET_CONTEXT_FIELD(b, c, V2PPR, V2Pxx_INDEX, v)
-#define SET_V2PPR_VA(b, c, v) SET_CONTEXT_FIELD(b, c, V2PPR, V2Pxx_VA, v)
-
-
/* Context Register getters */
/* ACTLR */
#define GET_CFERE(b, c) GET_CONTEXT_FIELD(b, c, ACTLR, CFERE)
@@ -826,20 +812,6 @@ do { \
#define GET_INDEX(b, c) GET_CONTEXT_FIELD(b, c, V2PSR, INDEX)
-/* V2Pxx UW UR PW PR */
-#define GET_V2PUW_INDEX(b, c) GET_CONTEXT_FIELD(b, c, V2PUW, V2Pxx_INDEX)
-#define GET_V2PUW_VA(b, c) GET_CONTEXT_FIELD(b, c, V2PUW, V2Pxx_VA)
-
-#define GET_V2PUR_INDEX(b, c) GET_CONTEXT_FIELD(b, c, V2PUR, V2Pxx_INDEX)
-#define GET_V2PUR_VA(b, c) GET_CONTEXT_FIELD(b, c, V2PUR, V2Pxx_VA)
-
-#define GET_V2PPW_INDEX(b, c) GET_CONTEXT_FIELD(b, c, V2PPW, V2Pxx_INDEX)
-#define GET_V2PPW_VA(b, c) GET_CONTEXT_FIELD(b, c, V2PPW, V2Pxx_VA)
-
-#define GET_V2PPR_INDEX(b, c) GET_CONTEXT_FIELD(b, c, V2PPR, V2Pxx_INDEX)
-#define GET_V2PPR_VA(b, c) GET_CONTEXT_FIELD(b, c, V2PPR, V2Pxx_VA)
-
-
/* Global Registers */
#define M2VCBR_N (0xFF000)
#define CBACR_N (0xFF800)