From 297f7f82636115d6db4211b8d81764223baf2908 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Fri, 10 Jul 2020 15:34:21 -0700 Subject: [PATCH] swiotlb-xen: add struct device * parameter to xen_dma_sync_for_cpu No functional changes. The parameter is unused in this patch but will be used by next patches. Signed-off-by: Stefano Stabellini Reviewed-by: Boris Ostrovsky Tested-by: Corey Minyard Tested-by: Roman Shaposhnik Link: https://lore.kernel.org/r/20200710223427.6897-5-sstabellini@kernel.org Signed-off-by: Juergen Gross --- arch/arm/xen/mm.c | 5 +++-- drivers/xen/swiotlb-xen.c | 4 ++-- include/xen/swiotlb-xen.h | 5 +++-- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index d40e9e5fc52b..1a00e8003c64 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -71,8 +71,9 @@ static void dma_cache_maint(dma_addr_t handle, size_t size, u32 op) * pfn_valid returns true the pages is local and we can use the native * dma-direct functions, otherwise we call the Xen specific version. */ -void xen_dma_sync_for_cpu(dma_addr_t handle, phys_addr_t paddr, size_t size, - enum dma_data_direction dir) +void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle, + phys_addr_t paddr, size_t size, + enum dma_data_direction dir) { if (pfn_valid(PFN_DOWN(handle))) arch_sync_dma_for_cpu(paddr, size, dir); diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index a8e447137faf..d04b7a15124f 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -428,7 +428,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, BUG_ON(dir == DMA_NONE); if (!dev_is_dma_coherent(hwdev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) - xen_dma_sync_for_cpu(dev_addr, paddr, size, dir); + xen_dma_sync_for_cpu(hwdev, dev_addr, paddr, size, dir); /* NOTE: We use dev_addr here, not paddr! */ if (is_xen_swiotlb_buffer(dev_addr)) @@ -442,7 +442,7 @@ xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr, phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr); if (!dev_is_dma_coherent(dev)) - xen_dma_sync_for_cpu(dma_addr, paddr, size, dir); + xen_dma_sync_for_cpu(dev, dma_addr, paddr, size, dir); if (is_xen_swiotlb_buffer(dma_addr)) swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU); diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h index ffc0d3902b71..f62d1854780b 100644 --- a/include/xen/swiotlb-xen.h +++ b/include/xen/swiotlb-xen.h @@ -4,8 +4,9 @@ #include -void xen_dma_sync_for_cpu(dma_addr_t handle, phys_addr_t paddr, size_t size, - enum dma_data_direction dir); +void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle, + phys_addr_t paddr, size_t size, + enum dma_data_direction dir); void xen_dma_sync_for_device(dma_addr_t handle, phys_addr_t paddr, size_t size, enum dma_data_direction dir); -- 2.39.5