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| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2010-02-22 14:13:39 +0900 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-02-22 16:21:21 -0800 |
| commit | b16694f70c40ea8d539cdc93a422039771e85870 (patch) | |
| tree | 2ac80b596bff438d84c13224076aa474a3c8053c /drivers/pci/pcie | |
| parent | 6cbf82148ff286ec22a55be6836c3a5bffc489c1 (diff) | |
| download | kernel_samsung_smdk4412-b16694f70c40ea8d539cdc93a422039771e85870.zip kernel_samsung_smdk4412-b16694f70c40ea8d539cdc93a422039771e85870.tar.gz kernel_samsung_smdk4412-b16694f70c40ea8d539cdc93a422039771e85870.tar.bz2 | |
PCIe PME: use pci_pcie_cap()
Use pci_pcie_cap() instead of pci_find_capability() to get PCIe
capability offset. This reduces redundant search in PCI configuration
space.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/pme/pcie_pme.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pci/pcie/pme/pcie_pme.c b/drivers/pci/pcie/pme/pcie_pme.c index 6b51630..7b3cbff 100644 --- a/drivers/pci/pcie/pme/pcie_pme.c +++ b/drivers/pci/pcie/pme/pcie_pme.c @@ -105,7 +105,7 @@ static void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable) int rtctl_pos; u16 rtctl; - rtctl_pos = pci_find_capability(dev, PCI_CAP_ID_EXP) + PCI_EXP_RTCTL; + rtctl_pos = pci_pcie_cap(dev) + PCI_EXP_RTCTL; pci_read_config_word(dev, rtctl_pos, &rtctl); if (enable) @@ -124,7 +124,7 @@ static void pcie_pme_clear_status(struct pci_dev *dev) int rtsta_pos; u32 rtsta; - rtsta_pos = pci_find_capability(dev, PCI_CAP_ID_EXP) + PCI_EXP_RTSTA; + rtsta_pos = pci_pcie_cap(dev) + PCI_EXP_RTSTA; pci_read_config_dword(dev, rtsta_pos, &rtsta); rtsta |= PCI_EXP_RTSTA_PME; @@ -278,7 +278,7 @@ static void pcie_pme_work_fn(struct work_struct *work) int rtsta_pos; u32 rtsta; - rtsta_pos = pci_find_capability(port, PCI_CAP_ID_EXP) + PCI_EXP_RTSTA; + rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA; spin_lock_irq(&data->lock); @@ -332,7 +332,7 @@ static irqreturn_t pcie_pme_irq(int irq, void *context) port = ((struct pcie_device *)context)->port; data = get_service_data((struct pcie_device *)context); - rtsta_pos = pci_find_capability(port, PCI_CAP_ID_EXP) + PCI_EXP_RTSTA; + rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA; spin_lock_irqsave(&data->lock, flags); pci_read_config_dword(port, rtsta_pos, &rtsta); |