[PATCH v3 29/32] PCI/radeon: use PCIe capabilities access functions to simplify implementation
From: Jiang Liu <hidden>
Date: 2012-08-01 16:01:28
Also in:
lkml
Subsystem:
drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers:
David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds
From: Jiang Liu <redacted> Use PCIe capabilities access functions to simplify radeon driver's implementation. Signed-off-by: Jiang Liu <redacted> --- drivers/gpu/drm/radeon/evergreen.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 01550d0..8804c80 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c@@ -77,13 +77,9 @@ 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) - 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 +91,7 @@ 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); } }
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1.7.9.5