linux-kernel - [PATCH 4.14 064/178] iommu/mediatek: Fix driver name

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Message-Id: <20171218152923.240410740@linuxfoundation.org>
Date:   Mon, 18 Dec 2017 16:48:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Matthias Brugger <matthias.bgg@...il.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.14 064/178] iommu/mediatek: Fix driver name

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/iommu/mtk_iommu_v1.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -708,7 +708,7 @@ static struct platform_driver mtk_iommu_
 	.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,
 	}