Commit e6d25e7d authored by Yong Wu's avatar Yong Wu Committed by Joerg Roedel
Browse files

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: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-14-yong.wu@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent d265a4ad

drivers/iommu/mtk_iommu.c

+2 −4
Original line number Diff line number Diff line
@@ -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,