Le 19/02/2015 10:30, Nicolas Ferre a écrit :
> When trying to request the PWM device with devm_pwm_get(), the EPROBE_DEFER
> flag is not handled properly. It can lead to the PWM not being found.
>
> Signed-off-by: Boris Brezillon <boris.brezil...@free-electrons.com>
> Signed-off-by: Nicolas Ferre <nicolas.fe...@atmel.com>
Any comment on this patch?
Can we see it included during next cycle (4.1)?
(aka ping).
Bye,
> ---
> drivers/video/backlight/pwm_bl.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/video/backlight/pwm_bl.c
> b/drivers/video/backlight/pwm_bl.c
> index 3a145a643e0d..6897f1c1bc73 100644
> --- a/drivers/video/backlight/pwm_bl.c
> +++ b/drivers/video/backlight/pwm_bl.c
> @@ -274,6 +274,10 @@ static int pwm_backlight_probe(struct platform_device
> *pdev)
>
> pb->pwm = devm_pwm_get(&pdev->dev, NULL);
> if (IS_ERR(pb->pwm)) {
> + ret = PTR_ERR(pb->pwm);
> + if (ret == -EPROBE_DEFER)
> + goto err_alloc;
> +
> dev_err(&pdev->dev, "unable to request PWM, trying legacy
> API\n");
> pb->legacy = true;
> pb->pwm = pwm_request(data->pwm_id, "pwm-backlight");
>
--
Nicolas Ferre
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