[PATCH 03/10] i2c: sun6i-p2wi: Replace dev_err() with dev_err_probe() in probe function

[Enrico Zanda <e.zanda1@gmail.com>]

This simplifies the code while improving log.

Signed-off-by: Enrico Zanda <e.zanda1@gmail.com>
---
 drivers/i2c/busses/i2c-sun6i-p2wi.c | 55 +++++++++++------------------
 1 file changed, 20 insertions(+), 35 deletions(-)

diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c
index fb5280b8cf7f..dffbe776a195 100644
--- a/drivers/i2c/busses/i2c-sun6i-p2wi.c
+++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c
@@ -194,22 +194,16 @@ static int p2wi_probe(struct platform_device *pdev)
 	int ret;
 
 	of_property_read_u32(np, "clock-frequency", &clk_freq);
-	if (clk_freq > P2WI_MAX_FREQ) {
-		dev_err(dev,
-			"required clock-frequency (%u Hz) is too high (max = 6MHz)",
-			clk_freq);
-		return -EINVAL;
-	}
+	if (clk_freq > P2WI_MAX_FREQ)
+		return dev_err_probe(dev, -EINVAL,
+				     "required clock-frequency (%u Hz) is too high (max = 6MHz)",
+				     clk_freq);
 
-	if (clk_freq == 0) {
-		dev_err(dev, "clock-frequency is set to 0 in DT\n");
-		return -EINVAL;
-	}
+	if (clk_freq == 0)
+		return dev_err_probe(dev, -EINVAL, "clock-frequency is set to 0 in DT\n");
 
-	if (of_get_child_count(np) > 1) {
-		dev_err(dev, "P2WI only supports one target device\n");
-		return -EINVAL;
-	}
+	if (of_get_child_count(np) > 1)
+		return dev_err_probe(dev, -EINVAL, "P2WI only supports one target device\n");
 
 	p2wi = devm_kzalloc(dev, sizeof(struct p2wi), GFP_KERNEL);
 	if (!p2wi)
@@ -226,11 +220,9 @@ static int p2wi_probe(struct platform_device *pdev)
 	childnp = of_get_next_available_child(np, NULL);
 	if (childnp) {
 		ret = of_property_read_u32(childnp, "reg", &target_addr);
-		if (ret) {
-			dev_err(dev, "invalid target address on node %pOF\n",
-				childnp);
-			return -EINVAL;
-		}
+		if (ret)
+			return dev_err_probe(dev, -EINVAL,
+					     "invalid target address on node %pOF\n", childnp);
 
 		p2wi->target_addr = target_addr;
 	}
@@ -245,26 +237,20 @@ static int p2wi_probe(struct platform_device *pdev)
 		return irq;
 
 	p2wi->clk = devm_clk_get_enabled(dev, NULL);
-	if (IS_ERR(p2wi->clk)) {
-		ret = PTR_ERR(p2wi->clk);
-		dev_err(dev, "failed to enable clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(p2wi->clk))
+		return dev_err_probe(dev, PTR_ERR(p2wi->clk),
+				     "failed to enable clk\n");
 
 	parent_clk_freq = clk_get_rate(p2wi->clk);
 
 	p2wi->rstc = devm_reset_control_get_exclusive(dev, NULL);
-	if (IS_ERR(p2wi->rstc)) {
-		dev_err(dev, "failed to retrieve reset controller: %pe\n",
-			p2wi->rstc);
-		return PTR_ERR(p2wi->rstc);
-	}
+	if (IS_ERR(p2wi->rstc))
+		return dev_err_probe(dev, PTR_ERR(p2wi->rstc),
+				     "failed to retrieve reset controller\n");
 
 	ret = reset_control_deassert(p2wi->rstc);
-	if (ret) {
-		dev_err(dev, "failed to deassert reset line: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to deassert reset line\n");
 
 	init_completion(&p2wi->complete);
 	p2wi->adapter.dev.parent = dev;
@@ -276,8 +262,7 @@ static int p2wi_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(dev, irq, p2wi_interrupt, 0, pdev->name, p2wi);
 	if (ret) {
-		dev_err(dev, "can't register interrupt handler irq%d: %d\n",
-			irq, ret);
+		dev_err_probe(dev, ret, "can't register interrupt handler irq%d\n", irq);
 		goto err_reset_assert;
 	}
 
-- 
2.43.0