linux-kernel - [PATCH AUTOSEL for 4.9 097/156] iommu/mediatek: Fix driver name

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Message-ID: <20171207154845.4814-97-alexander.levin@verizon.com>
Date:   Thu, 7 Dec 2017 15:49:19 +0000
From:   alexander.levin@...izon.com
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        alexander.levin@...izon.com
Subject: [PATCH AUTOSEL for 4.9 097/156] iommu/mediatek: Fix driver name

From: Matthias Brugger <matthias.bgg@...il.com>

[ Upstream commit 395df08d2e1de238a9c8c33fdcd0e2160efd63a9 ]

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>
Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.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 b8aeb0768483..68c6050d1efb 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -703,7 +703,7 @@ 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,
 	}
-- 
2.11.0