[PATCH 05/10] i2c: stm32f4: Replace dev_err() with dev_err_probe() in probe function

[Atharv Dubey <atharvd440@gmail.com>]

From: Enrico Zanda <e.zanda1@gmail.com>

This simplifies the code while improving log.

Signed-off-by: Enrico Zanda <e.zanda1@gmail.com>
Signed-off-by: Atharv Dubey <atharvd440@gmail.com>
---
 drivers/i2c/busses/i2c-stm32f4.c | 53 ++++++++++++++++------------------------
 1 file changed, 21 insertions(+), 32 deletions(-)

diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
index b3d56d0aa9d0..44e8b04962bb 100644
--- a/drivers/i2c/busses/i2c-stm32f4.c
+++ b/drivers/i2c/busses/i2c-stm32f4.c
@@ -163,11 +163,9 @@ static int stm32f4_i2c_set_periph_clk_freq(struct stm32f4_i2c_dev *i2c_dev)
 		 * to hardware limitation
 		 */
 		if (freq < STM32F4_I2C_MIN_STANDARD_FREQ ||
-		    freq > STM32F4_I2C_MAX_FREQ) {
-			dev_err(i2c_dev->dev,
-				"bad parent clk freq for standard mode\n");
-			return -EINVAL;
-		}
+		    freq > STM32F4_I2C_MAX_FREQ)
+			return dev_err_probe(i2c_dev->dev, -EINVAL,
+					     "bad parent clk freq for standard mode\n");
 	} else {
 		/*
 		 * To be as close as possible to 400 kHz, the parent clk
@@ -175,11 +173,9 @@ static int stm32f4_i2c_set_periph_clk_freq(struct stm32f4_i2c_dev *i2c_dev)
 		 * maximum value of 46 MHz due to hardware limitation
 		 */
 		if (freq < STM32F4_I2C_MIN_FAST_FREQ ||
-		    freq > STM32F4_I2C_MAX_FREQ) {
-			dev_err(i2c_dev->dev,
-				"bad parent clk freq for fast mode\n");
-			return -EINVAL;
-		}
+		    freq > STM32F4_I2C_MAX_FREQ)
+			return dev_err_probe(i2c_dev->dev, -EINVAL,
+					     "bad parent clk freq for fast mode\n");
 	}
 
 	cr2 |= STM32F4_I2C_CR2_FREQ(freq);
@@ -772,22 +768,19 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->base);
 
 	irq_event = irq_of_parse_and_map(np, 0);
-	if (!irq_event) {
-		dev_err(&pdev->dev, "IRQ event missing or invalid\n");
-		return -EINVAL;
-	}
+	if (!irq_event)
+		return dev_err_probe(&pdev->dev, -EINVAL,
+				     "IRQ event missing or invalid\n");
 
 	irq_error = irq_of_parse_and_map(np, 1);
-	if (!irq_error) {
-		dev_err(&pdev->dev, "IRQ error missing or invalid\n");
-		return -EINVAL;
-	}
+	if (!irq_error)
+		return dev_err_probe(&pdev->dev, -EINVAL,
+				     "IRQ error missing or invalid\n");
 
 	i2c_dev->clk = devm_clk_get_enabled(&pdev->dev, NULL);
-	if (IS_ERR(i2c_dev->clk)) {
-		dev_err(&pdev->dev, "Failed to enable clock\n");
-		return PTR_ERR(i2c_dev->clk);
-	}
+	if (IS_ERR(i2c_dev->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
+				     "Failed to enable clock\n");
 
 	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(rst))
@@ -807,19 +800,15 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(&pdev->dev, irq_event, stm32f4_i2c_isr_event, 0,
 			       pdev->name, i2c_dev);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to request irq event %i\n",
-			irq_event);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Failed to request irq event %i\n", irq_event);
 
 	ret = devm_request_irq(&pdev->dev, irq_error, stm32f4_i2c_isr_error, 0,
 			       pdev->name, i2c_dev);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to request irq error %i\n",
-			irq_error);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Failed to request irq error %i\n", irq_error);
 
 	ret = stm32f4_i2c_hw_config(i2c_dev);
 	if (ret)

-- 
2.43.0