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 <wangyij...@huawei.com>
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/pci/pci.c | 2 +-
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 a899d8b..1117f2c 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 7d68aee..422812b 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;
}
--
1.7.1
--
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