Re: [PATCH v5 19/44] xen: dma-mapping: Use unsigned long for dma_attrs

From: Konrad Rzeszutek Wilk
Date: Thu Jun 30 2016 - 09:22:28 EST


On Thu, Jun 30, 2016 at 10:25:46AM +0200, Krzysztof Kozlowski wrote:
> Split out subsystem specific changes for easier reviews. This will be
> squashed with main commit.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> [for xen]
> Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> ---
> drivers/xen/swiotlb-xen.c | 14 +++++++-------
> include/xen/swiotlb-xen.h | 12 ++++++------
> 2 files changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
> index 7399782c0998..87e6035c9e81 100644
> --- a/drivers/xen/swiotlb-xen.c
> +++ b/drivers/xen/swiotlb-xen.c
> @@ -294,7 +294,7 @@ error:
> void *
> xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
> dma_addr_t *dma_handle, gfp_t flags,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> void *ret;
> int order = get_order(size);
> @@ -346,7 +346,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_alloc_coherent);
>
> void
> xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
> - dma_addr_t dev_addr, struct dma_attrs *attrs)
> + dma_addr_t dev_addr, unsigned long attrs)
> {
> int order = get_order(size);
> phys_addr_t phys;
> @@ -378,7 +378,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_free_coherent);
> dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
> unsigned long offset, size_t size,
> enum dma_data_direction dir,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> phys_addr_t map, phys = page_to_phys(page) + offset;
> dma_addr_t dev_addr = xen_phys_to_bus(phys);
> @@ -434,7 +434,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_map_page);
> */
> static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
> size_t size, enum dma_data_direction dir,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> phys_addr_t paddr = xen_bus_to_phys(dev_addr);
>
> @@ -462,7 +462,7 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
>
> void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
> size_t size, enum dma_data_direction dir,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> xen_unmap_single(hwdev, dev_addr, size, dir, attrs);
> }
> @@ -538,7 +538,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_sync_single_for_device);
> int
> xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
> int nelems, enum dma_data_direction dir,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> struct scatterlist *sg;
> int i;
> @@ -599,7 +599,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_map_sg_attrs);
> void
> xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
> int nelems, enum dma_data_direction dir,
> - struct dma_attrs *attrs)
> + unsigned long attrs)
> {
> struct scatterlist *sg;
> int i;
> diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
> index 8b2eb93ae8ba..7c35e279d1e3 100644
> --- a/include/xen/swiotlb-xen.h
> +++ b/include/xen/swiotlb-xen.h
> @@ -9,30 +9,30 @@ extern int xen_swiotlb_init(int verbose, bool early);
> extern void
> *xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
> dma_addr_t *dma_handle, gfp_t flags,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
>
> extern void
> xen_swiotlb_free_coherent(struct device *hwdev, size_t size,
> void *vaddr, dma_addr_t dma_handle,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
>
> extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
> unsigned long offset, size_t size,
> enum dma_data_direction dir,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
>
> extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
> size_t size, enum dma_data_direction dir,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
> extern int
> xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
> int nelems, enum dma_data_direction dir,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
>
> extern void
> xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
> int nelems, enum dma_data_direction dir,
> - struct dma_attrs *attrs);
> + unsigned long attrs);
>
> extern void
> xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
> --
> 1.9.1
>