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authorJinjie Ruan <ruanjinjie@huawei.com>2023-08-26 06:54:01 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2023-09-11 22:12:40 +0300
commit8cbba23e43eb182c75656c0dba40f890feea6400 (patch)
tree11d9aaa2b2778b51586ca9350283afa2caf658fb
parentb564b99de79cdc87008dab3b19ae67a011f3f2fa (diff)
downloadlinux-8cbba23e43eb182c75656c0dba40f890feea6400.tar.xz
iio: adc: mt6577_auxadc: Simplify with dev_err_probe()
Use the dev_err_probe() helper to simplify error handling during probe. This also handle scenario, when EDEFER is returned and useless error is printed. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Suggested-by: Jonathan Cameron <jic23@kernel.org> Link: https://lore.kernel.org/r/20230826035402.3512033-2-ruanjinjie@huawei.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/adc/mt6577_auxadc.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c
index ea42fd7a8c99..935cf560e238 100644
--- a/drivers/iio/adc/mt6577_auxadc.c
+++ b/drivers/iio/adc/mt6577_auxadc.c
@@ -265,22 +265,18 @@ static int mt6577_auxadc_probe(struct platform_device *pdev)
indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels);
adc_dev->reg_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(adc_dev->reg_base)) {
- dev_err(&pdev->dev, "failed to get auxadc base address\n");
- return PTR_ERR(adc_dev->reg_base);
- }
+ if (IS_ERR(adc_dev->reg_base))
+ return dev_err_probe(&pdev->dev, PTR_ERR(adc_dev->reg_base),
+ "failed to get auxadc base address\n");
adc_dev->adc_clk = devm_clk_get_enabled(&pdev->dev, "main");
- if (IS_ERR(adc_dev->adc_clk)) {
- dev_err(&pdev->dev, "failed to enable auxadc clock\n");
- return PTR_ERR(adc_dev->adc_clk);
- }
+ if (IS_ERR(adc_dev->adc_clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(adc_dev->adc_clk),
+ "failed to enable auxadc clock\n");
adc_clk_rate = clk_get_rate(adc_dev->adc_clk);
- if (!adc_clk_rate) {
- dev_err(&pdev->dev, "null clock rate\n");
- return -EINVAL;
- }
+ if (!adc_clk_rate)
+ return dev_err_probe(&pdev->dev, -EINVAL, "null clock rate\n");
adc_dev->dev_comp = device_get_match_data(&pdev->dev);