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SubjectRe: [PATCH] pwm: imx27: Eliminate error message for defer probe
On Mon, Dec 30, 2019 at 11:02:40AM +0800, Anson Huang wrote:
> For defer probe error, no need to output error message which
> will cause confusion.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> drivers/pwm/pwm-imx27.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
> index 59d8b12..35a7ac42 100644
> --- a/drivers/pwm/pwm-imx27.c
> +++ b/drivers/pwm/pwm-imx27.c
> @@ -319,9 +319,13 @@ static int pwm_imx27_probe(struct platform_device *pdev)
>
> imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
> if (IS_ERR(imx->clk_ipg)) {
> - dev_err(&pdev->dev, "getting ipg clock failed with %ld\n",
> - PTR_ERR(imx->clk_ipg));
> - return PTR_ERR(imx->clk_ipg);
> + int ret = PTR_ERR(imx->clk_ipg);
> +
> + if (ret != -EPROBE_DEFER)
> + dev_err(&pdev->dev,
> + "getting ipg clock failed with %d\n",
> + ret);

While you touch this part, you could convert to %pe to get a more
expressive error message.

But even independent of this the patch is fine, so

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |

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