Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754275Ab3FRIXP (ORCPT ); Tue, 18 Jun 2013 04:23:15 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:27133 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752965Ab3FRIXN (ORCPT ); Tue, 18 Jun 2013 04:23:13 -0400 From: Yijing Wang To: Bjorn Helgaas CC: , , Hanjun Guo , , Yijing Wang Subject: [PATCH 7/9] PCI: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM) Date: Tue, 18 Jun 2013 16:22:14 +0800 Message-ID: <1371543734-14148-1-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.11.msysgit.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.135.76.69] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1815 Lines: 58 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 Cc: linux-pci@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/