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authorKrzysztof Kozlowski2020-09-14 12:40:34 +0200
committerWolfram Sang2020-09-21 11:45:43 +0200
commit703b3228a8fffcadf4651fde527a1b68c693e3a1 (patch)
tree5175b6b36a8846ee60d9d5580a0e958429e64688
parent27c90870e7018cd5b93991ca398444a9b0f74113 (diff)
i2c: stm32: Simplify with dev_err_probe()
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Alain Volmat <alain.volmat@st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
-rw-r--r--drivers/i2c/busses/i2c-stm32.c10
-rw-r--r--drivers/i2c/busses/i2c-stm32f4.c6
-rw-r--r--drivers/i2c/busses/i2c-stm32f7.c14
3 files changed, 13 insertions, 17 deletions
diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
index 468620db9ea5..157c64e27d0b 100644
--- a/drivers/i2c/busses/i2c-stm32.c
+++ b/drivers/i2c/busses/i2c-stm32.c
@@ -26,8 +26,9 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
dma->chan_tx = dma_request_chan(dev, "tx");
if (IS_ERR(dma->chan_tx)) {
ret = PTR_ERR(dma->chan_tx);
- if ((ret != -ENODEV) && (ret != -EPROBE_DEFER))
- dev_err(dev, "can't request DMA tx channel\n");
+ if (ret != -ENODEV)
+ ret = dev_err_probe(dev, ret,
+ "can't request DMA tx channel\n");
goto fail_al;
}
@@ -46,8 +47,9 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
dma->chan_rx = dma_request_chan(dev, "rx");
if (IS_ERR(dma->chan_rx)) {
ret = PTR_ERR(dma->chan_rx);
- if ((ret != -ENODEV) && (ret != -EPROBE_DEFER))
- dev_err(dev, "can't request DMA rx channel\n");
+ if (ret != -ENODEV)
+ ret = dev_err_probe(dev, ret,
+ "can't request DMA rx channel\n");
goto fail_tx;
}
diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
index 48e269284369..937c2c8fd349 100644
--- a/drivers/i2c/busses/i2c-stm32f4.c
+++ b/drivers/i2c/busses/i2c-stm32f4.c
@@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
if (IS_ERR(rst)) {
- ret = PTR_ERR(rst);
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+ ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+ "Error: Missing reset ctrl\n");
goto clk_free;
}
reset_control_assert(rst);
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 2b9f0400f5d7..f41f51a176a1 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -2037,11 +2037,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
"wakeup-source");
i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(i2c_dev->clk)) {
- if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to get controller 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 get controller clock\n");
ret = clk_prepare_enable(i2c_dev->clk);
if (ret) {
@@ -2051,10 +2049,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
rst = devm_reset_control_get(&pdev->dev, NULL);
if (IS_ERR(rst)) {
- ret = PTR_ERR(rst);
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+ ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+ "Error: Missing reset ctrl\n");
goto clk_free;
}
reset_control_assert(rst);