[PATCH 8/9] iio: adc: rockchip_saradc: Make use of the helper function dev_err_probe()
From: Cai Huoqing <hidden>
Date: 2021-09-27 08:15:42
Also in:
linux-amlogic, linux-arm-msm, linux-iio, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, iio subsystem and drivers, the rest · Maintainers:
Heiko Stuebner, Jonathan Cameron, 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/rockchip_saradc.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index a56a0d7337ca..57419ccb3c70 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c@@ -392,11 +392,10 @@ static int rockchip_saradc_probe(struct platform_device *pdev) } info->vref = devm_regulator_get(&pdev->dev, "vref"); - if (IS_ERR(info->vref)) { - dev_err(&pdev->dev, "failed to get regulator, %ld\n", - PTR_ERR(info->vref)); - return PTR_ERR(info->vref); - } + if (IS_ERR(info->vref)) + return dev_err_probe(&pdev->dev, + PTR_ERR(info->vref), + "failed to get regulator\n"); if (info->reset) rockchip_saradc_reset_controller(info->reset);
--
2.25.1
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