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Commit c7797d67 authored by Yijing Wang's avatar Yijing Wang Committed by Bjorn Helgaas
Browse files

ia64/PCI: Use dev_is_pci() to identify PCI devices 



Use dev_is_pci() instead of checking bus type directly.

Signed-off-by: default avatarYijing Wang <wangyijing@huawei.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 894d3343

arch/ia64/hp/common/sba_iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -255,7 +255,7 @@ static u64 prefetch_spill_page; 
#endif



#ifdef CONFIG_PCI

# define GET_IOC(dev)	(((dev)->bus == &pci_bus_type)						\

# define GET_IOC(dev)	((dev_is_pci(dev))						\

			 ? ((struct ioc *) PCI_CONTROLLER(to_pci_dev(dev))->iommu) : NULL)

#else

# define GET_IOC(dev)	NULL

arch/ia64/sn/pci/pci_dma.c

+12 −12
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
 */

static int sn_dma_supported(struct device *dev, u64 mask)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	if (mask < 0x7fffffff)

		return 0;
@@ -50,7 +50,7 @@ static int sn_dma_supported(struct device *dev, u64 mask) 
 */

int sn_dma_set_mask(struct device *dev, u64 dma_mask)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	if (!sn_dma_supported(dev, dma_mask))

		return 0;
@@ -85,7 +85,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size, 
	struct pci_dev *pdev = to_pci_dev(dev);

	struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	/*

	 * Allocate the memory.
@@ -143,7 +143,7 @@ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr 
	struct pci_dev *pdev = to_pci_dev(dev);

	struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	provider->dma_unmap(pdev, dma_handle, 0);

	free_pages((unsigned long)cpu_addr, get_order(size));
@@ -187,7 +187,7 @@ static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page, 


	dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs);



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	phys_addr = __pa(cpu_addr);

	if (dmabarr)
@@ -223,7 +223,7 @@ static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, 
	struct pci_dev *pdev = to_pci_dev(dev);

	struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	provider->dma_unmap(pdev, dma_addr, dir);

}
@@ -247,7 +247,7 @@ static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, 
	struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);

	struct scatterlist *sg;



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	for_each_sg(sgl, sg, nhwentries, i) {

		provider->dma_unmap(pdev, sg->dma_address, dir);
@@ -284,7 +284,7 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, 


	dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs);



	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));



	/*

	 * Setup a DMA address for each entry in the scatterlist.
@@ -323,26 +323,26 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, 
static void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,

				       size_t size, enum dma_data_direction dir)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));

}



static void sn_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,

					  size_t size,

					  enum dma_data_direction dir)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));

}



static void sn_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,

				   int nelems, enum dma_data_direction dir)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));

}



static void sn_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,

				      int nelems, enum dma_data_direction dir)

{

	BUG_ON(dev->bus != &pci_bus_type);

	BUG_ON(!dev_is_pci(dev));

}



static int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)