[PATCH v4 27/44] ia64: dma-mapping: Use unsigned long for dma_attrs

Krzysztof Kozlowski
2016-06-10T10:19:34Z

arch/ia64/hp/common/sba_iommu.c | 22 +++++++++++-----------
arch/ia64/include/asm/machvec.h | 1 -
arch/ia64/kernel/pci-swiotlb.c | 4 ++--
arch/ia64/sn/pci/pci_dma.c | 12 ++++++------
4 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index a6d6190c9d24..630ee8073899 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -919,7 +919,7 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt)
static dma_addr_t sba_map_page(struct device *dev, struct page *page,
unsigned long poff, size_t size,
enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct ioc *ioc;
void *addr = page_address(page) + poff;
@@ -1005,7 +1005,7 @@ static dma_addr_t sba_map_page(struct device *dev, struct page *page,

static dma_addr_t sba_map_single_attrs(struct device *dev, void *addr,
size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
return sba_map_page(dev, virt_to_page(addr),
(unsigned long)addr & ~PAGE_MASK, size, dir, attrs);
@@ -1046,7 +1046,7 @@ sba_mark_clean(struct ioc *ioc, dma_addr_t iova, size_t size)
* See Documentation/DMA-API-HOWTO.txt
*/
static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
struct ioc *ioc;
#if DELAYED_RESOURCE_CNT > 0
@@ -1115,7 +1115,7 @@ static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
}

void sba_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
sba_unmap_page(dev, iova, size, dir, attrs);
}
@@ -1130,7 +1130,7 @@ void sba_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
*/
static void *
sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flags, struct dma_attrs *attrs)
+ gfp_t flags, unsigned long attrs)
{
struct ioc *ioc;
void *addr;
@@ -1175,7 +1175,7 @@ sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
* device to map single to get an iova mapping.
*/
*dma_handle = sba_map_single_attrs(&ioc->sac_only_dev->dev, addr,
- size, 0, NULL);
+ size, 0, 0);

return addr;
}
@@ -1191,9 +1191,9 @@ sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
* See Documentation/DMA-API-HOWTO.txt
*/
static void sba_free_coherent(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle, struct dma_attrs *attrs)
+ dma_addr_t dma_handle, unsigned long attrs)
{
- sba_unmap_single_attrs(dev, dma_handle, size, 0, NULL);
+ sba_unmap_single_attrs(dev, dma_handle, size, 0, 0);
free_pages((unsigned long) vaddr, get_order(size));
}

@@ -1442,7 +1442,7 @@ sba_coalesce_chunks(struct ioc *ioc, struct device *dev,

static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs);
+ unsigned long attrs);
/**
* sba_map_sg - map Scatter/Gather list
* @dev: instance of PCI owned by the driver that's asking.
@@ -1455,7 +1455,7 @@ static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
*/
static int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct ioc *ioc;
int coalesced, filled = 0;
@@ -1551,7 +1551,7 @@ static int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist,
*/
static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
#ifdef ASSERT_PDIR_SANITY
struct ioc *ioc;
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 9c39bdfc2da8..ed7f09089f12 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -22,7 +22,6 @@ struct pci_bus;
struct task_struct;
struct pci_dev;
struct msi_desc;
-struct dma_attrs;

typedef void ia64_mv_setup_t (char **);
typedef void ia64_mv_cpu_init_t (void);
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 939260aeac98..2933208c0285 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -16,7 +16,7 @@ EXPORT_SYMBOL(swiotlb);

static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
if (dev->coherent_dma_mask != DMA_BIT_MASK(64))
gfp |= GFP_DMA;
@@ -25,7 +25,7 @@ static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,

static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
}
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 8f59907007cb..6b78fc953c4b 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL(sn_dma_set_mask);
*/
static void *sn_dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t * dma_handle, gfp_t flags,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
void *cpuaddr;
unsigned long phys_addr;
@@ -138,7 +138,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size,
* any associated IOMMU mappings.
*/
static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_handle, struct dma_attrs *attrs)
+ dma_addr_t dma_handle, unsigned long attrs)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
@@ -176,7 +176,7 @@ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr
static dma_addr_t sn_dma_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)
{
void *cpu_addr = page_address(page) + offset;
dma_addr_t dma_addr;
@@ -218,7 +218,7 @@ static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page,
*/
static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
@@ -240,7 +240,7 @@ static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
*/
static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl,
int nhwentries, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
int i;
struct pci_dev *pdev = to_pci_dev(dev);
@@ -273,7 +273,7 @@ static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl,
*/
static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl,
int nhwentries, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
unsigned long phys_addr;
struct scatterlist *saved_sg = sgl, *sg;
--
1.9.1