Re: [PATCH] pwm-omap: handle timers not ready in probe
From: Tony Lindgren
Date: Mon Jul 16 2018 - 03:57:47 EST
* Pavel Machek <pavel@xxxxxx> [180716 07:16]:
>
> When all the drivers are built-in, timers are not ready and probing
> fails. Fix that with -EPROBE_DEFFER.
>
> Signed-off-by: Pavel Machek <pavel@xxxxxx>
>
> diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
> index 665da3c..debeb70 100644
> --- a/drivers/pwm/pwm-omap-dmtimer.c
> +++ b/drivers/pwm/pwm-omap-dmtimer.c
> @@ -265,7 +271,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
> timer_pdata = dev_get_platdata(&timer_pdev->dev);
> if (!timer_pdata) {
> dev_err(&pdev->dev, "dmtimer pdata structure NULL\n");
> - ret = -EINVAL;
> + ret = -EPROBE_DEFER;
> goto put;
> }
There seems to be an earlier similar patch, care to take a look
at "[PATCH] pwm: pwm-omap-dmtimer: return -EPROBE_DEFER if no
dmtimer platform data"?
Regards,
Tony