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swiotlb-xen: add struct device * parameter to xen_dma_sync_for_device

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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/20200710223427.6897-6-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Stefano Stabellini 2020-07-10 15:34:22 -07:00 committed by Juergen Gross
parent 297f7f8263
commit 995d355669
3 changed files with 8 additions and 6 deletions
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5
arch/arm/xen/mm.c
View File

@ -81,8 +81,9 @@ void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle,
dma_cache_maint(handle, size, GNTTAB_CACHE_INVAL);
}
void xen_dma_sync_for_device(dma_addr_t handle, phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
void xen_dma_sync_for_device(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_device(paddr, size, dir);

4
drivers/xen/swiotlb-xen.c
View File

@ -408,7 +408,7 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
done:
if (!dev_is_dma_coherent(dev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC))
xen_dma_sync_for_device(dev_addr, phys, size, dir);
xen_dma_sync_for_device(dev, dev_addr, phys, size, dir);
return dev_addr;
}
@ -458,7 +458,7 @@ xen_swiotlb_sync_single_for_device(struct device *dev, dma_addr_t dma_addr,
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
if (!dev_is_dma_coherent(dev))
xen_dma_sync_for_device(dma_addr, paddr, size, dir);
xen_dma_sync_for_device(dev, dma_addr, paddr, size, dir);
}
/*

5
include/xen/swiotlb-xen.h
View File

@ -7,8 +7,9 @@
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);
void xen_dma_sync_for_device(struct device *dev, dma_addr_t handle,
phys_addr_t paddr, size_t size,
enum dma_data_direction dir);
extern int xen_swiotlb_init(int verbose, bool early);
extern const struct dma_map_ops xen_swiotlb_dma_ops;