[PATCH] iommu/amd: Fix amd_iommu_detect() (does not fix any issues).

From: j . glisse
Date: Mon Aug 31 2015 - 18:13:27 EST


From: JÃrÃme Glisse <jglisse@xxxxxxxxxx>

Fix amd_iommu_detect() to return positive value on success, like
intended, and not zero. This will not change anything in the end
as AMD IOMMU disable swiotlb and properly associate itself with
devices even if detect() doesn't return a positive value.

Signed-off-by: JÃrÃme Glisse <jglisse@xxxxxxxxxx>
Cc: Joerg Roedel <jroedel@xxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
---
drivers/iommu/amd_iommu_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index a24495e..360a451 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -2198,7 +2198,7 @@ int __init amd_iommu_detect(void)
iommu_detected = 1;
x86_init.iommu.iommu_init = amd_iommu_init;

- return 0;
+ return 1;
}

/****************************************************************************
--
1.8.3.1

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