[PATCH] PCI: rockchip: Use dev_err_probe()

[ye.xingchen at zte.com.cn]

From: Ye Xingchen <ye.xingchen at zte.com.cn>

Replace the open-code with dev_err_probe() to simplify the code.

Signed-off-by: Ye Xingchen <ye.xingchen at zte.com.cn>
---
 drivers/pci/controller/pcie-rockchip.c | 65 ++++++++++----------------
 1 file changed, 24 insertions(+), 41 deletions(-)

diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c
index 990a00e08bc5..e80fde73700c 100644
--- a/drivers/pci/controller/pcie-rockchip.c
+++ b/drivers/pci/controller/pcie-rockchip.c
@@ -68,54 +68,40 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
 		rockchip->link_gen = 2;

 	rockchip->core_rst = devm_reset_control_get_exclusive(dev, "core");
-	if (IS_ERR(rockchip->core_rst)) {
-		if (PTR_ERR(rockchip->core_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing core reset property in node\n");
-		return PTR_ERR(rockchip->core_rst);
-	}
+	if (IS_ERR(rockchip->core_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->core_rst),
+				     "missing core reset property in node\n");

 	rockchip->mgmt_rst = devm_reset_control_get_exclusive(dev, "mgmt");
-	if (IS_ERR(rockchip->mgmt_rst)) {
-		if (PTR_ERR(rockchip->mgmt_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing mgmt reset property in node\n");
-		return PTR_ERR(rockchip->mgmt_rst);
-	}
+	if (IS_ERR(rockchip->mgmt_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->mgmt_rst),
+				     "missing mgmt reset property in node\n");

 	rockchip->mgmt_sticky_rst = devm_reset_control_get_exclusive(dev,
 								"mgmt-sticky");
-	if (IS_ERR(rockchip->mgmt_sticky_rst)) {
-		if (PTR_ERR(rockchip->mgmt_sticky_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing mgmt-sticky reset property in node\n");
-		return PTR_ERR(rockchip->mgmt_sticky_rst);
-	}
+	if (IS_ERR(rockchip->mgmt_sticky_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->mgmt_sticky_rst),
+				     "missing mgmt-sticky reset property in node\n");

 	rockchip->pipe_rst = devm_reset_control_get_exclusive(dev, "pipe");
-	if (IS_ERR(rockchip->pipe_rst)) {
-		if (PTR_ERR(rockchip->pipe_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing pipe reset property in node\n");
-		return PTR_ERR(rockchip->pipe_rst);
-	}
+	if (IS_ERR(rockchip->pipe_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->pipe_rst),
+				     "missing pipe reset property in node\n");

 	rockchip->pm_rst = devm_reset_control_get_exclusive(dev, "pm");
-	if (IS_ERR(rockchip->pm_rst)) {
-		if (PTR_ERR(rockchip->pm_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing pm reset property in node\n");
-		return PTR_ERR(rockchip->pm_rst);
-	}
+	if (IS_ERR(rockchip->pm_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->pm_rst),
+				     "missing pm reset property in node\n");

 	rockchip->pclk_rst = devm_reset_control_get_exclusive(dev, "pclk");
-	if (IS_ERR(rockchip->pclk_rst)) {
-		if (PTR_ERR(rockchip->pclk_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing pclk reset property in node\n");
-		return PTR_ERR(rockchip->pclk_rst);
-	}
+	if (IS_ERR(rockchip->pclk_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->pclk_rst),
+				     "missing pclk reset property in node\n");

 	rockchip->aclk_rst = devm_reset_control_get_exclusive(dev, "aclk");
-	if (IS_ERR(rockchip->aclk_rst)) {
-		if (PTR_ERR(rockchip->aclk_rst) != -EPROBE_DEFER)
-			dev_err(dev, "missing aclk reset property in node\n");
-		return PTR_ERR(rockchip->aclk_rst);
-	}
+	if (IS_ERR(rockchip->aclk_rst))
+		return dev_err_probe(dev, PTR_ERR(rockchip->aclk_rst),
+				     "missing aclk reset property in node\n");

 	if (rockchip->is_rc) {
 		rockchip->ep_gpio = devm_gpiod_get_optional(dev, "ep",
@@ -322,12 +308,9 @@ int rockchip_pcie_get_phys(struct rockchip_pcie *rockchip)
 		phy = devm_of_phy_get(dev, dev->of_node, name);
 		kfree(name);

-		if (IS_ERR(phy)) {
-			if (PTR_ERR(phy) != -EPROBE_DEFER)
-				dev_err(dev, "missing phy for lane %d: %ld\n",
-					i, PTR_ERR(phy));
-			return PTR_ERR(phy);
-		}
+		if (IS_ERR(phy))
+			return dev_err_probe(dev, PTR_ERR(phy),
+					     "missing phy for lane %d: %ld\n", i);

 		rockchip->phys[i] = phy;
 	}
-- 
2.25.1