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Date:   Fri, 14 Feb 2020 16:26:27 -0600
From:   Li Yang <leoyang.li@....com>
To:     Will Deacon <will.deacon@....com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>
Cc:     Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Li Yang <leoyang.li@....com>,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iommu/arm-smmu: fix module name for parameters

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 <leoyang.li@....com>
---
 drivers/iommu/arm-smmu.c | 2 ++
 1 file changed, 2 insertions(+)

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
 
+#undef MODULE_PARAM_PREFIX
+#define MODULE_PARAM_PREFIX "arm-smmu."
 static int force_stage;
 module_param(force_stage, int, S_IRUGO);
 MODULE_PARM_DESC(force_stage,
-- 
2.17.1

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