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iio: adc: rockchip_saradc: replace custom logic with devm_reset_control_get_optional_exclusive

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devm_reset_control_get_optional_exclusive does what this driver is
trying to do in its probe function, therefore let's switch over to that
subsystem function.

Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-3-84b06a0f623a@theobroma-systems.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Quentin Schulz 2024-02-23 13:45:23 +01:00 committed by Jonathan Cameron
parent 5b4e4b7203
commit 9443c19ca6
1 changed files with 3 additions and 8 deletions
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11
drivers/iio/adc/rockchip_saradc.c
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@ -450,16 +450,11 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
* The reset should be an optional property, as it should work
* with old devicetrees as well
*/
info->reset = devm_reset_control_get_exclusive(&pdev->dev,
"saradc-apb");
info->reset = devm_reset_control_get_optional_exclusive(&pdev->dev,
"saradc-apb");
if (IS_ERR(info->reset)) {
ret = PTR_ERR(info->reset);
if (ret != -ENOENT)
return dev_err_probe(&pdev->dev, ret,
"failed to get saradc-apb\n");
dev_dbg(&pdev->dev, "no reset control found\n");
info->reset = NULL;
return dev_err_probe(&pdev->dev, ret, "failed to get saradc-apb\n");
}
init_completion(&info->completion);