1 files changed, 13 insertions, 21 deletions

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 0d4dd80e9f07..568b13a48717 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -146,7 +146,7 @@ static int pwm_mediatek_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
 	if (clkdiv > PWM_CLK_DIV_MAX) {
 		pwm_mediatek_clk_disable(chip, pwm);
-		dev_err(chip->dev, "period %d not supported\n", period_ns);
+		dev_err(chip->dev, "period of %d ns not supported\n", period_ns);
 		return -EINVAL;
 	}
 
@@ -221,24 +221,20 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
 	if (IS_ERR(pc->regs))
 		return PTR_ERR(pc->regs);
 
-	pc->clk_pwms = devm_kcalloc(&pdev->dev, pc->soc->num_pwms,
+	pc->clk_pwms = devm_kmalloc_array(&pdev->dev, pc->soc->num_pwms,
 				    sizeof(*pc->clk_pwms), GFP_KERNEL);
 	if (!pc->clk_pwms)
 		return -ENOMEM;
 
 	pc->clk_top = devm_clk_get(&pdev->dev, "top");
-	if (IS_ERR(pc->clk_top)) {
-		dev_err(&pdev->dev, "clock: top fail: %ld\n",
-			PTR_ERR(pc->clk_top));
-		return PTR_ERR(pc->clk_top);
-	}
+	if (IS_ERR(pc->clk_top))
+		return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_top),
+				     "Failed to get top clock\n");
 
 	pc->clk_main = devm_clk_get(&pdev->dev, "main");
-	if (IS_ERR(pc->clk_main)) {
-		dev_err(&pdev->dev, "clock: main fail: %ld\n",
-			PTR_ERR(pc->clk_main));
-		return PTR_ERR(pc->clk_main);
-	}
+	if (IS_ERR(pc->clk_main))
+		return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_main),
+				     "Failed to get main clock\n");
 
 	for (i = 0; i < pc->soc->num_pwms; i++) {
 		char name[8];
@@ -246,11 +242,9 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
 		snprintf(name, sizeof(name), "pwm%d", i + 1);
 
 		pc->clk_pwms[i] = devm_clk_get(&pdev->dev, name);
-		if (IS_ERR(pc->clk_pwms[i])) {
-			dev_err(&pdev->dev, "clock: %s fail: %ld\n",
-				name, PTR_ERR(pc->clk_pwms[i]));
-			return PTR_ERR(pc->clk_pwms[i]);
-		}
+		if (IS_ERR(pc->clk_pwms[i]))
+			return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_pwms[i]),
+					     "Failed to get %s clock\n", name);
 	}
 
 	pc->chip.dev = &pdev->dev;
@@ -258,10 +252,8 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
 	pc->chip.npwm = pc->soc->num_pwms;
 
 	ret = devm_pwmchip_add(&pdev->dev, &pc->chip);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret, "pwmchip_add() failed\n");
 
 	return 0;
 }