[PATCH 2/9] iio: adc: imx7d_adc: Make use of the helper function dev_err_probe()
From: Cai Huoqing <hidden>
Date: 2021-09-27 08:14:51
Also in:
linux-amlogic, linux-arm-msm, linux-iio, linux-rockchip, lkml
Subsystem:
iio subsystem and drivers, nxp i.mx 7d/6sx/6ul/93 and vf610 adc driver, the rest · Maintainers:
Jonathan Cameron, Haibo Chen, Linus Torvalds
When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing <redacted> --- drivers/iio/adc/imx7d_adc.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c
index 4969a5f941e3..f47360cbff3b 100644
--- a/drivers/iio/adc/imx7d_adc.c
+++ b/drivers/iio/adc/imx7d_adc.c@@ -496,19 +496,13 @@ static int imx7d_adc_probe(struct platform_device *pdev) return irq; info->clk = devm_clk_get(dev, "adc"); - if (IS_ERR(info->clk)) { - ret = PTR_ERR(info->clk); - dev_err(dev, "Failed getting clock, err = %d\n", ret); - return ret; - } + if (IS_ERR(info->clk)) + return dev_err_probe(dev, PTR_ERR(info->clk), "Failed getting clock\n"); info->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(info->vref)) { - ret = PTR_ERR(info->vref); - dev_err(dev, - "Failed getting reference voltage, err = %d\n", ret); - return ret; - } + if (IS_ERR(info->vref)) + return dev_err_probe(dev, PTR_ERR(info->vref), + "Failed getting reference voltage\n"); platform_set_drvdata(pdev, indio_dev);
--
2.25.1
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