From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jiang Liu To: Bjorn Helgaas , Don Dutile Cc: Jiang Liu , Yinghai Lu , Taku Izumi , "Rafael J . Wysocki" , Kenji Kaneshige , Yijing Wang , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Jiang Liu Subject: [RFC PATCH v2 29/32] PCI/radeon: use PCIe capabilities access functions to simplify implementation Date: Wed, 25 Jul 2012 00:41:14 +0800 Message-Id: <1343148077-25941-6-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1343148077-25941-1-git-send-email-jiang.liu@huawei.com> References: <1343148077-25941-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Jiang Liu Use PCIe capabilities access functions to simplify radeon driver's implementation. Signed-off-by: Jiang Liu --- drivers/gpu/drm/radeon/evergreen.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 01550d0..d7a1f95 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -77,13 +77,12 @@ void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw, void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) { u16 ctl, v; - int cap, err; + int err; - cap = pci_pcie_cap(rdev->pdev); - if (!cap) + if (!pci_is_pcie(rdev->pdev)) return; - err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl); + err = pci_pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl); if (err) return; @@ -95,7 +94,7 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) if ((v == 0) || (v == 6) || (v == 7)) { ctl &= ~PCI_EXP_DEVCTL_READRQ; ctl |= (2 << 12); - pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl); + pci_pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl); } } -- 1.7.9.5