From: Jiang Liu <jiang.liu@huawei.com>
Date: Tue, 24 Jul 2012 09:20:30 +0000 (+0800)
Subject: drm/radeon: Use PCI Express Capability accessors
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=32195aec63caf4a3516e720a3e230af9e1dad974;p=linux-beck.git

drm/radeon: Use PCI Express Capability accessors

Use PCI Express Capability access functions to simplify radeon driver.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e585a3b947eb..b106c56c9af1 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 = 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);
+		pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl);
 	}
 }