[PATCH v3 9/9] i2c: synquacer: Use dev_err_probe in probe function

[Liao Chang]

Use the dev_err_probe function instead of dev_err in the probe function
so that the printed messge includes the return value and also handles
-EPROBE_DEFER nicely.

Signed-off-by: Liao Chang <liaochang1@xxxxxxxxxx>
---
 drivers/i2c/busses/i2c-synquacer.c | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index 4cc196ca8f6d..bbea521b05dd 100644
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -557,20 +557,16 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
 		dev_dbg(&pdev->dev, "clock source %p\n", i2c->pclk);
 
 		ret = clk_prepare_enable(i2c->pclk);
-		if (ret) {
-			dev_err(&pdev->dev, "failed to enable clock (%d)\n",
-				ret);
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(&pdev->dev, ret, "failed to enable clock\n");
 		i2c->pclkrate = clk_get_rate(i2c->pclk);
 	}
 
 	if (i2c->pclkrate < SYNQUACER_I2C_MIN_CLK_RATE ||
-	    i2c->pclkrate > SYNQUACER_I2C_MAX_CLK_RATE) {
-		dev_err(&pdev->dev, "PCLK missing or out of range (%d)\n",
-			i2c->pclkrate);
-		return -EINVAL;
-	}
+	    i2c->pclkrate > SYNQUACER_I2C_MAX_CLK_RATE)
+		return dev_err_probe(&pdev->dev, -EINVAL,
+				     "PCLK missing or out of range (%d)\n",
+				     i2c->pclkrate);
 
 	i2c->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(i2c->base))
@@ -582,10 +578,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr,
 			       0, dev_name(&pdev->dev), i2c);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret, "cannot claim IRQ %d\n", i2c->irq);
 
 	i2c->state = STATE_IDLE;
 	i2c->dev = &pdev->dev;
@@ -605,10 +599,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
 	synquacer_i2c_hw_init(i2c);
 
 	ret = i2c_add_numbered_adapter(&i2c->adapter);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "failed to add bus to i2c core\n");
 
 	platform_set_drvdata(pdev, i2c);
 
-- 
2.25.1