linux-kernel - [PATCH 4/4] iommu/mediatek: Adjust iotlb_sync

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Message-ID: <20201019113100.23661-5-chao.hao@mediatek.com>
Date:   Mon, 19 Oct 2020 19:31:00 +0800
From:   Chao Hao <chao.hao@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <wsd_upstream@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>, FY Yang <fy.yang@...iatek.com>,
        Jun Wen <jun.wen@...iatek.com>,
        Mingyuan Ma <mingyuan.ma@...iatek.com>,
        Chao Hao <chao.hao@...iatek.com>
Subject: [PATCH 4/4] iommu/mediatek: Adjust iotlb_sync_range

As is title, the patch only adjusts the architecture of
iotlb_sync_range().

No functional change.

Signed-off-by: Chao Hao <chao.hao@...iatek.com>
---
 drivers/iommu/mtk_iommu.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index bca1f53c0ab9..66e5b9d3c575 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -191,10 +191,9 @@ static void mtk_iommu_tlb_flush_all(void *cookie)
 	}
 }
 
-static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
-					   size_t granule, void *cookie)
+static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size)
 {
-	struct mtk_iommu_data *data = cookie;
+	struct mtk_iommu_data *data;
 	unsigned long flags;
 	int ret;
 	u32 tmp;
@@ -216,7 +215,7 @@ static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
 		if (ret) {
 			dev_warn(data->dev,
 				 "Partial TLB flush timed out, falling back to full flush\n");
-			mtk_iommu_tlb_flush_all(cookie);
+			mtk_iommu_tlb_flush_all(data);
 		}
 		/* Clear the CPE status */
 		writel_relaxed(0, data->base + REG_MMU_CPE_DONE);
@@ -224,11 +223,6 @@ static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
 	}
 }
 
-static void __mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size)
-{
-	mtk_iommu_tlb_flush_range_sync(iova, size, 0, NULL)
-}
-
 static void mtk_iommu_tlb_flush_skip(unsigned long iova, size_t size,
 				     size_t granule, void *cookie)
 {
@@ -522,7 +516,7 @@ static const struct iommu_ops mtk_iommu_ops = {
 	.map		= mtk_iommu_map,
 	.unmap		= mtk_iommu_unmap,
 	.flush_iotlb_all = mtk_iommu_flush_iotlb_all,
-	.iotlb_sync_range = __mtk_iommu_tlb_flush_range_sync,
+	.iotlb_sync_range = mtk_iommu_tlb_flush_range_sync,
 	.iova_to_phys	= mtk_iommu_iova_to_phys,
 	.probe_device	= mtk_iommu_probe_device,
 	.release_device	= mtk_iommu_release_device,
-- 
2.18.0