From 31342b58b72b2b8480f12ffee648c8ba3297dee1 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 22 Dec 2011 12:18:45 +0100 Subject: 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 --- drivers/iommu/amd_iommu_init.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'drivers/iommu') 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) -- cgit v1.2.3-55-g7522