diff options
| author | Yijing Wang <wangyijing@huawei.com> | 2013-06-18 12:22:14 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-06-18 22:05:34 +0400 |
| commit | 728cdb7582a230234795619036d887d7f52bce1e (patch) | |
| tree | 0de33c16dddda3b7e94d3657d27150ee20c24201 | |
| parent | fc6504b3a4dc9beae782a11e6f7c3c4a9f077fb8 (diff) | |
| download | linux-728cdb7582a230234795619036d887d7f52bce1e.tar.xz | |
PCI: Use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)
PCI PM cap register offset has been saved in pci_pm_init(),
so we can use pdev->pm_cap instead of using pci_find_capability(..)
here.
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/pci/pci.c | 2 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 6 |
2 files changed, 3 insertions, 5 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 709791b70ca0..e37fea6e178d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -805,7 +805,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { pci_power_t ret; - if (!pci_find_capability(dev, PCI_CAP_ID_PM)) + if (!dev->pm_cap) return PCI_D0; ret = platform_pci_choose_state(dev); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 7f492574dcf4..dee5ed4f7b6e 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1832,7 +1832,6 @@ static void quirk_e100_interrupt(struct pci_dev *dev) u16 command, pmcsr; u8 __iomem *csr; u8 cmd_hi; - int pm; switch (dev->device) { /* PCI IDs taken from drivers/net/e100.c */ @@ -1870,9 +1869,8 @@ static void quirk_e100_interrupt(struct pci_dev *dev) * Check that the device is in the D0 power state. If it's not, * there is no point to look any further. */ - pm = pci_find_capability(dev, PCI_CAP_ID_PM); - if (pm) { - pci_read_config_word(dev, pm + PCI_PM_CTRL, &pmcsr); + if (dev->pm_cap) { + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); if ((pmcsr & PCI_PM_CTRL_STATE_MASK) != PCI_D0) return; } |