linux-kernel - [PATCH v6 12/34] iommu/mediatek: Remove the granule in the tlb flush

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Date:   Thu, 7 Apr 2022 15:57:04 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>, Rob Herring <robh+dt@...nel.org>,
        "Matthias Brugger" <matthias.bgg@...il.com>,
        Will Deacon <will@...nel.org>
CC:     Robin Murphy <robin.murphy@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Tomasz Figa <tfiga@...omium.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>, <yong.wu@...iatek.com>,
        <youlin.pei@...iatek.com>, <anan.sun@...iatek.com>,
        <xueqi.zhang@...iatek.com>, <yen-chang.chen@...iatek.com>,
        "AngeloGioacchino Del Regno" 
        <angelogioacchino.delregno@...labora.com>,
        <mingyuan.ma@...iatek.com>, <yf.wang@...iatek.com>,
        <libo.kang@...iatek.com>, <chengci.xu@...iatek.com>
Subject: [PATCH v6 12/34] iommu/mediatek: Remove the granule in the tlb flush

The MediaTek IOMMU doesn't care about granule when tlb flushing.
Remove this variable.

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/iommu/mtk_iommu.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index e7008a20ec74..1f3fe3276aa0 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -219,7 +219,6 @@ static void mtk_iommu_tlb_flush_all(struct mtk_iommu_data *data)
 }
 
 static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
-					   size_t granule,
 					   struct mtk_iommu_data *data)
 {
 	struct list_head *head = data->hw_list;
@@ -541,8 +540,7 @@ static void mtk_iommu_iotlb_sync(struct iommu_domain *domain,
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
 	size_t length = gather->end - gather->start + 1;
 
-	mtk_iommu_tlb_flush_range_sync(gather->start, length, gather->pgsize,
-				       dom->data);
+	mtk_iommu_tlb_flush_range_sync(gather->start, length, dom->data);
 }
 
 static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
@@ -550,7 +548,7 @@ static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
 
-	mtk_iommu_tlb_flush_range_sync(iova, size, size, dom->data);
+	mtk_iommu_tlb_flush_range_sync(iova, size, dom->data);
 }
 
 static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain,
-- 
2.18.0