set-way operations need a DSB after them to ensure the
operation is complete. DMB may not be enough. Use DSB
after all operations instead of DMB.
Signed-off-by: Aneesh V <ane...@ti.com>
---
arch/arm/cpu/armv7/cache_v7.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
index 3e1e1bf..665f025 100644
--- a/arch/arm/cpu/armv7/cache_v7.c
+++ b/arch/arm/cpu/armv7/cache_v7.c
@@ -81,8 +81,8 @@ static void v7_inval_dcache_level_setway(u32 level, u32
num_sets,
: : "r" (setway));
}
}
- /* DMB to make sure the operation is complete */
- CP15DMB;
+ /* DSB to make sure the operation is complete */
+ CP15DSB;
}
static void v7_clean_inval_dcache_level_setway(u32 level, u32 num_sets,
@@ -108,8 +108,8 @@ static void v7_clean_inval_dcache_level_setway(u32 level,
u32 num_sets,
: : "r" (setway));
}
}
- /* DMB to make sure the operation is complete */
- CP15DMB;
+ /* DSB to make sure the operation is complete */
+ CP15DSB;
}
static void v7_maint_dcache_level_setway(u32 level, u32 operation)
@@ -227,8 +227,8 @@ static void v7_dcache_maint_range(u32 start, u32 stop, u32
range_op)
break;
}
- /* DMB to make sure the operation is complete */
- CP15DMB;
+ /* DSB to make sure the operation is complete */
+ CP15DSB;
}
/* Invalidate TLB */
--
1.7.0.4
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