Re: [PATCH v2] pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()

From: Uwe Kleine-König
Date: Wed Jan 03 2024 - 07:28:43 EST


Hello Thierry,

On Fri, Dec 22, 2023 at 01:13:11PM +0000, Sean Young wrote:
> devm_add_action_or_reset() already calls the action in the error case.
>
> Reported-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> Closes: https://lore.kernel.org/linux-pwm/fuku3b5ur6y4k4refd3vmeoenzjo6mwe3b3gtel34rhhhtvnsa@w4uktgbqsc3w/
> Fixes: fcc760729359 ("pwm: bcm2835: Allow PWM driver to be used in atomic context")
> Signed-off-by: Sean Young <sean@xxxxxxxx>
> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
> drivers/pwm/pwm-bcm2835.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
> index 307c0bd5f885..283cf27f25ba 100644
> --- a/drivers/pwm/pwm-bcm2835.c
> +++ b/drivers/pwm/pwm-bcm2835.c
> @@ -160,10 +160,8 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
>
> ret = devm_add_action_or_reset(&pdev->dev, devm_clk_rate_exclusive_put,
> pc->clk);
> - if (ret) {
> - clk_rate_exclusive_put(pc->clk);
> + if (ret)
> return ret;
> - }
>
> pc->rate = clk_get_rate(pc->clk);
> if (!pc->rate)

this patch should be added to your for-next branch and then your PR for
the next merge window.

Also "pwm: linux/pwm.h: fix Excess kernel-doc description warning"
(Message-Id: 20231223050621.13994-1-rdunlap@xxxxxxxxxxxxx) should be
added IMHO.

Best regards
Uwe

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

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