linux-kernel - [PATCH 5.4 159/203] iommu/mediatek: Correct the flush_iotlb

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Message-Id: <20200116231758.662329101@linuxfoundation.org>
Date:   Fri, 17 Jan 2020 00:17:56 +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, Yong Wu <yong.wu@...iatek.com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 5.4 159/203] iommu/mediatek: Correct the flush_iotlb_all callback

From: Yong Wu <yong.wu@...iatek.com>

commit 2009122f1d83dd8375572661961eab1e7e86bffe upstream.

Use the correct tlb_flush_all instead of the original one.

Fixes: 4d689b619445 ("iommu/io-pgtable-arm-v7s: Convert to IOMMU API TLB sync")
Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Reviewed-by: Robin Murphy <robin.murphy@....com>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iommu/mtk_iommu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -447,7 +447,7 @@ static size_t mtk_iommu_unmap(struct iom
 
 static void mtk_iommu_flush_iotlb_all(struct iommu_domain *domain)
 {
-	mtk_iommu_tlb_sync(mtk_iommu_get_m4u_data());
+	mtk_iommu_tlb_flush_all(mtk_iommu_get_m4u_data());
 }
 
 static void mtk_iommu_iotlb_sync(struct iommu_domain *domain,