linux-kernel - [PATCH] iommu/mediatek: Fix driver name

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Message-Id: <20171030113755.32408-1-matthias.bgg@gmail.com>
Date:   Mon, 30 Oct 2017 12:37:55 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     joro@...tes.org, sean.wang@...iatek.com, honghui.zhang@...iatek.com
Cc:     iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Matthias Brugger <matthias.bgg@...il.com>
Subject: [PATCH] iommu/mediatek: Fix driver name

There exist two Mediatek iommu drivers for the two different
generations of the device. But both drivers have the same name
"mtk-iommu". This breaks the registration of the second driver:

Error: Driver 'mtk-iommu' is already registered, aborting...

Fix this by changing the name for first generation to
"mtk-iommu-v1".

Fixes: b17336c55d89 ("iommu/mediatek: add support for mtk iommu generation one HW")
Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
---
 drivers/iommu/mtk_iommu_v1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index bc1efbfb9ddf..542930cd183d 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -708,7 +708,7 @@ static struct platform_driver mtk_iommu_driver = {
 	.probe	= mtk_iommu_probe,
 	.remove	= mtk_iommu_remove,
 	.driver	= {
-		.name = "mtk-iommu",
+		.name = "mtk-iommu-v1",
 		.of_match_table = mtk_iommu_of_ids,
 		.pm = &mtk_iommu_pm_ops,
 	}
-- 
2.14.2