RE: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling
From: Anson Huang
Date: Thu Sep 17 2020 - 02:37:52 EST
Gentle ping...
> Subject: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error
> handling
>
> dev_err_probe() can reduce code size, uniform error handling and record the
> defer probe reason etc., use it to simplify the code.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> changes since V1:
> - remove redundant return value print.
> ---
> drivers/pwm/pwm-imx-tpm.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index
> fcdf6be..aaf629b 100644
> --- a/drivers/pwm/pwm-imx-tpm.c
> +++ b/drivers/pwm/pwm-imx-tpm.c
> @@ -350,13 +350,9 @@ static int pwm_imx_tpm_probe(struct
> platform_device *pdev)
> return PTR_ERR(tpm->base);
>
> tpm->clk = devm_clk_get(&pdev->dev, NULL);
> - if (IS_ERR(tpm->clk)) {
> - ret = PTR_ERR(tpm->clk);
> - if (ret != -EPROBE_DEFER)
> - dev_err(&pdev->dev,
> - "failed to get PWM clock: %d\n", ret);
> - return ret;
> - }
> + if (IS_ERR(tpm->clk))
> + return dev_err_probe(&pdev->dev, PTR_ERR(tpm->clk),
> + "failed to get PWM clock\n");
>
> ret = clk_prepare_enable(tpm->clk);
> if (ret) {
> --
> 2.7.4