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[v2] sparc/PCI: Use dev_is_pci() to identify PCI devices

Message ID 1386659404-37924-1-git-send-email-wangyijing@huawei.com
State Accepted
Headers show

Commit Message

Yijing Wang Dec. 10, 2013, 7:10 a.m. UTC 
Use dev_is_pci() instead of checking bus type directly.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

---

v1->v2: Keep #ifdef CONFIG_PCI code to avoid build error, found by
		kbuild test.

---
 arch/sparc/include/asm/dma-mapping.h |    7 +++----
 arch/sparc/kernel/iommu.c            |    2 +-
 arch/sparc/kernel/ioport.c           |    2 +-
 3 files changed, 5 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 05fe53f..ab529f1 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -4,6 +4,7 @@ 
 #include <linux/scatterlist.h>
 #include <linux/mm.h>
 #include <linux/dma-debug.h>
+#include <linux/pci.h>
 
 #define DMA_ERROR_CODE	(~(dma_addr_t)0x0)
 
@@ -16,14 +17,12 @@  extern struct dma_map_ops *dma_ops;
 extern struct dma_map_ops *leon_dma_ops;
 extern struct dma_map_ops pci32_dma_ops;
 
-extern struct bus_type pci_bus_type;
-
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
 	if (sparc_cpu_model == sparc_leon)
 		return leon_dma_ops;
-	else if (dev->bus == &pci_bus_type)
+	else if (dev_is_pci(dev))
 		return &pci32_dma_ops;
 #endif
 	return dma_ops;
@@ -66,7 +65,7 @@  static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 static inline int dma_set_mask(struct device *dev, u64 mask)
 {
 #ifdef CONFIG_PCI
-	if (dev->bus == &pci_bus_type) {
+	if (dev_is_pci(dev)) {
 		if (!dev->dma_mask || !dma_supported(dev, mask))
 			return -EINVAL;
 		*dev->dma_mask = mask;
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 070ed14..76663b0 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -854,7 +854,7 @@  int dma_supported(struct device *dev, u64 device_mask)
 		return 1;
 
 #ifdef CONFIG_PCI
-	if (dev->bus == &pci_bus_type)
+	if (dev_is_pci(dev))
 		return pci64_dma_supported(to_pci_dev(dev), device_mask);
 #endif
 
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 2096468..5b8aab9 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -667,7 +667,7 @@  EXPORT_SYMBOL(dma_ops);
 int dma_supported(struct device *dev, u64 mask)
 {
 #ifdef CONFIG_PCI
-	if (dev->bus == &pci_bus_type)
+	if (dev_is_pci(dev))
 		return 1;
 #endif
 	return 0;