PCI: portdrv: remove redundant definitions

Remove unnecessary definitions from portdrv.h and use generic
definitions instead.
Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/pcie/portdrv.h

@@ -11,24 +11,10 @@
 
 #include <linux/compiler.h>
 
-#if !defined(PCI_CAP_ID_PME)
-#define PCI_CAP_ID_PME			1
-#endif
-
-#if !defined(PCI_CAP_ID_EXP)
-#define PCI_CAP_ID_EXP			0x10
-#endif
-
-#define PORT_TYPE_MASK			0xf
-#define PORT_TO_SLOT_MASK		0x100
-#define SLOT_HP_CAPABLE_MASK		0x40
-#define PCIE_CAPABILITIES_REG		0x2
-#define PCIE_SLOT_CAPABILITIES_REG	0x14
-#define PCIE_PORT_DEVICE_MAXSERVICES	4
-#define PCIE_PORT_MSI_VECTOR_MASK	0x1f
+#define PCIE_PORT_DEVICE_MAXSERVICES   4
 /*
- * According to the PCI Express Base Specification 2.0, the indices of the MSI-X
- * table entires used by port services must not exceed 31
+ * According to the PCI Express Base Specification 2.0, the indices of
+ * the MSI-X table entires used by port services must not exceed 31
  */
 #define PCIE_PORT_MAX_MSIX_ENTRIES	32
 

drivers/pci/pcie/portdrv_core.c

@@ -109,8 +109,8 @@ static int pcie_port_enable_msix(struct pci_dev *dev, int *vectors, int mask)
 		 * used to generate the interrupt message."
 		 */
 		pos = pci_pcie_cap(dev);
-		pci_read_config_word(dev, pos + PCIE_CAPABILITIES_REG, &reg16);
-		entry = (reg16 >> 9) & PCIE_PORT_MSI_VECTOR_MASK;
+		pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &reg16);
+		entry = (reg16 & PCI_EXP_FLAGS_IRQ) >> 9;
 		if (entry >= nr_entries)
 			goto Error;
 
@@ -230,12 +230,11 @@ static int get_port_device_capability(struct pci_dev *dev)
 	u32 reg32;
 
 	pos = pci_pcie_cap(dev);
-	pci_read_config_word(dev, pos + PCIE_CAPABILITIES_REG, &reg16);
+	pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &reg16);
 	/* Hot-Plug Capable */
-	if (reg16 & PORT_TO_SLOT_MASK) {
-		pci_read_config_dword(dev, 
-			pos + PCIE_SLOT_CAPABILITIES_REG, &reg32);
-		if (reg32 & SLOT_HP_CAPABLE_MASK)
+	if (reg16 & PCI_EXP_FLAGS_SLOT) {
+		pci_read_config_dword(dev, pos + PCI_EXP_SLTCAP, &reg32);
+		if (reg32 & PCI_EXP_SLTCAP_HPC)
 			services |= PCIE_PORT_SERVICE_HP;
 	}
 	/* AER capable */