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authorJoerg Roedel <joerg.roedel@amd.com>2011-12-22 12:18:45 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2011-12-22 14:56:56 +0100
commit31342b58b72b2b8480f12ffee648c8ba3297dee1 (patch)
tree72216b2e25fde90006a33bc35f2b6acabfbca8df /drivers/iommu
parentbc21662f729cd17d2af93e149f4eccafc7b10181 (diff)
iommu/amd: Remove unnecessary cache flushes in amd_iommu_resume
The caches are already flushed in enable_iommus(), so this flush is not necessary. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu_init.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index c7a5d7e14547..38784733cbb4 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1396,13 +1396,6 @@ static void amd_iommu_resume(void)
/* re-load the hardware */
enable_iommus();
-
- /*
- * we have to flush after the IOMMUs are enabled because a
- * disabled IOMMU will never execute the commands we send
- */
- for_each_iommu(iommu)
- iommu_flush_all_caches(iommu);
}
static int amd_iommu_suspend(void)