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authorStefano Stabellini <stefano.stabellini@xilinx.com>2020-07-11 01:34:20 +0300
committerJuergen Gross <jgross@suse.com>2020-08-04 08:45:29 +0300
commitd900781a170da5ed0fc9840c260384bac0710c09 (patch)
treefbee5c6fd6d29fda5e22722c31389f3dbee1008c /drivers/xen
parent2cf6a91347b94528c646cbdd9d295770ea7d447d (diff)
downloadlinux-d900781a170da5ed0fc9840c260384bac0710c09.tar.xz
swiotlb-xen: add struct device * parameter to xen_bus_to_phys
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/20200710223427.6897-4-sstabellini@kernel.org Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index dbe710a59bf2..a8e447137faf 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -67,7 +67,7 @@ static inline dma_addr_t xen_phys_to_bus(struct device *dev, phys_addr_t paddr)
return dma;
}
-static inline phys_addr_t xen_bus_to_phys(dma_addr_t baddr)
+static inline phys_addr_t xen_bus_to_phys(struct device *dev, dma_addr_t baddr)
{
unsigned long xen_pfn = bfn_to_pfn(XEN_PFN_DOWN(baddr));
dma_addr_t dma = (dma_addr_t)xen_pfn << XEN_PAGE_SHIFT;
@@ -339,7 +339,7 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
/* do not use virt_to_phys because on ARM it doesn't return you the
* physical address */
- phys = xen_bus_to_phys(dev_addr);
+ phys = xen_bus_to_phys(hwdev, dev_addr);
/* Convert the size to actually allocated. */
size = 1UL << (order + XEN_PAGE_SHIFT);
@@ -423,7 +423,7 @@ done:
static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
size_t size, enum dma_data_direction dir, unsigned long attrs)
{
- phys_addr_t paddr = xen_bus_to_phys(dev_addr);
+ phys_addr_t paddr = xen_bus_to_phys(hwdev, dev_addr);
BUG_ON(dir == DMA_NONE);
@@ -439,7 +439,7 @@ static void
xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction dir)
{
- phys_addr_t paddr = xen_bus_to_phys(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);
@@ -452,7 +452,7 @@ static void
xen_swiotlb_sync_single_for_device(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction dir)
{
- phys_addr_t paddr = xen_bus_to_phys(dma_addr);
+ phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr);
if (is_xen_swiotlb_buffer(dma_addr))
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);