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authorMyron Stowe <myron.stowe@redhat.com>2013-01-26 01:55:45 +0100
committerBjorn Helgaas <bhelgaas@google.com>2013-01-31 05:24:39 +0100
commit1c531d82ee1a220ae7132ba0eb31edaf186b56d1 (patch)
tree67736581bd5f36192ef9f2f27a1c28ec9b61e330
parentPCI: Introduce accessor to retrieve PCIe Capabilities Register (diff)
downloadlinux-1c531d82ee1a220ae7132ba0eb31edaf186b56d1.tar.xz
linux-1c531d82ee1a220ae7132ba0eb31edaf186b56d1.zip
PCI: Use PCI Express Capability accessor
Use PCI Express Capability access functions to simplify device Capabilities Register usages. Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--drivers/pci/access.c4
-rw-r--r--drivers/pci/pcie/portdrv_core.c2
-rw-r--r--include/linux/pci.h2
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 3af0478c057b..5278ac692cbf 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -472,7 +472,7 @@ EXPORT_SYMBOL_GPL(pci_cfg_access_unlock);
static inline int pcie_cap_version(const struct pci_dev *dev)
{
- return dev->pcie_flags_reg & PCI_EXP_FLAGS_VERS;
+ return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
}
static inline bool pcie_cap_has_devctl(const struct pci_dev *dev)
@@ -497,7 +497,7 @@ static inline bool pcie_cap_has_sltctl(const struct pci_dev *dev)
return pcie_cap_version(dev) > 1 ||
type == PCI_EXP_TYPE_ROOT_PORT ||
(type == PCI_EXP_TYPE_DOWNSTREAM &&
- dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT);
+ pcie_caps_reg(dev) & PCI_EXP_FLAGS_SLOT);
}
static inline bool pcie_cap_has_rtctl(const struct pci_dev *dev)
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index b42133afca98..31063ac30992 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -272,7 +272,7 @@ static int get_port_device_capability(struct pci_dev *dev)
/* Hot-Plug Capable */
if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
- dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
+ pcie_caps_reg(dev) & PCI_EXP_FLAGS_SLOT) {
pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
if (reg32 & PCI_EXP_SLTCAP_HPC) {
services |= PCIE_PORT_SERVICE_HP;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 78581e1d3f64..63b36281afce 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1707,7 +1707,7 @@ static inline u16 pcie_caps_reg(const struct pci_dev *dev)
*/
static inline int pci_pcie_type(const struct pci_dev *dev)
{
- return (dev->pcie_flags_reg & PCI_EXP_FLAGS_TYPE) >> 4;
+ return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
}
void pci_request_acs(void);