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authorStefano Stabellini <stefano.stabellini@xilinx.com>2020-07-11 01:34:23 +0300
committerJuergen Gross <jgross@suse.com>2020-08-04 08:49:18 +0300
commit38ba51de46767cbcef04305c3e8a99f0965fc9df (patch)
treef71d7b5af2bc6ce1a6ecf3b609cb26b93dd991c7 /drivers/xen/swiotlb-xen.c
parent995d3556694edd3c6dda7671b46ad4a6b3043f2f (diff)
downloadlinux-38ba51de46767cbcef04305c3e8a99f0965fc9df.tar.xz
swiotlb-xen: add struct device * parameter to is_xen_swiotlb_buffer
No functional changes. The parameter is unused in this patch but will be used by next patches. Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Tested-by: Corey Minyard <cminyard@mvista.com> Tested-by: Roman Shaposhnik <roman@zededa.com> Link: https://lore.kernel.org/r/20200710223427.6897-7-sstabellini@kernel.org Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
-rw-r--r--drivers/xen/swiotlb-xen.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8a3a7bcc5ec0..e2c35f45f91e 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -97,7 +97,7 @@ static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
return 0;
}
-static int is_xen_swiotlb_buffer(dma_addr_t dma_addr)
+static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr)
{
unsigned long bfn = XEN_PFN_DOWN(dma_addr);
unsigned long xen_pfn = bfn_to_local_pfn(bfn);
@@ -431,7 +431,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
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))
+ if (is_xen_swiotlb_buffer(hwdev, dev_addr))
swiotlb_tbl_unmap_single(hwdev, paddr, size, size, dir, attrs);
}
@@ -444,7 +444,7 @@ xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
if (!dev_is_dma_coherent(dev))
xen_dma_sync_for_cpu(dev, dma_addr, paddr, size, dir);
- if (is_xen_swiotlb_buffer(dma_addr))
+ if (is_xen_swiotlb_buffer(dev, dma_addr))
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
}
@@ -454,7 +454,7 @@ xen_swiotlb_sync_single_for_device(struct device *dev, dma_addr_t dma_addr,
{
phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr);
- if (is_xen_swiotlb_buffer(dma_addr))
+ if (is_xen_swiotlb_buffer(dev, dma_addr))
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
if (!dev_is_dma_coherent(dev))