[PATCH 1/9] i2c: bcm2835: 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 at huawei.com>
---
 drivers/i2c/busses/i2c-bcm2835.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 8ce6d3f49551..9af1a68269ab 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -430,10 +430,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
 
 	i2c_dev->bus_clk = bcm2835_i2c_register_div(&pdev->dev, mclk, i2c_dev);
 
-	if (IS_ERR(i2c_dev->bus_clk)) {
-		dev_err(&pdev->dev, "Could not register clock\n");
-		return PTR_ERR(i2c_dev->bus_clk);
-	}
+	if (IS_ERR(i2c_dev->bus_clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->bus_clk),
+				     "Could not register clock\n");
 
 	ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency",
 				   &bus_clk_rate);
@@ -444,10 +443,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
 	}
 
 	ret = clk_set_rate_exclusive(i2c_dev->bus_clk, bus_clk_rate);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Could not set clock frequency\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Could not set clock frequency\n");
 
 	ret = clk_prepare_enable(i2c_dev->bus_clk);
 	if (ret) {
-- 
2.25.1