iommu/arm-smmu: fix module name for parameters
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State New
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  • iommu/arm-smmu: fix module name for parameters
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Commit Message

Leo Li Feb. 14, 2020, 10:26 p.m. UTC
Commit cd221bd24ff5 ("iommu/arm-smmu: Allow building as a module")
introduced a side effect that changed the module name from arm-smmu to
arm-smmu-mod.  This breaks the users of kernel parameters for the driver
(e.g. arm-smmu.disable_bypass).  This patch changes the module name for
parameters back to arm-smmu to be consistent with older kernel.

Signed-off-by: Li Yang <>
 drivers/iommu/arm-smmu.c | 2 ++
 1 file changed, 2 insertions(+)

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diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 16c4b87af42b..8d5a19bfde5c 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -58,6 +58,8 @@ 
 #define MSI_IOVA_BASE			0x8000000
 #define MSI_IOVA_LENGTH			0x100000
+#define MODULE_PARAM_PREFIX "arm-smmu."
 static int force_stage;
 module_param(force_stage, int, S_IRUGO);