From: Joerg Roedel Date: Thu, 22 Dec 2011 11:18:45 +0000 (+0100) Subject: iommu/amd: Remove unnecessary cache flushes in amd_iommu_resume X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=31342b58b72b2b8480f12ffee648c8ba3297dee1;p=mv-sheeva.git 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 --- diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index c7a5d7e1454..38784733cbb 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)