Hi Andreas,
On Sat, Jul 28, 2018 at 06:59:14PM +0200, Andreas Kemnade wrote:
> I got this in the kernel log:
> [ 0.756042] omap-dmtimer-pwm dmtimer-pwm: dmtimer pdata structure NULL
> [ 0.756134] omap-dmtimer-pwm: probe of dmtimer-pwm failed with error -22
>
> the probe function has to wait until omap_dm_timer_probe() in
> clocksource/timer-ti-dm.c has initialized pdata, so defer probing
There already is a patch by David Rivshin addressing the same issue...
> Fixes: b7290cf6ff78 (pwm: pwm-omap-dmtimer: Adapt driver to utilize dmtimer pdata ops)
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> drivers/pwm/pwm-omap-dmtimer.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
> index 665da3c8fbce..808835179c2e 100644
> --- a/drivers/pwm/pwm-omap-dmtimer.c
> +++ b/drivers/pwm/pwm-omap-dmtimer.c
> @@ -264,8 +264,7 @@ 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;
> }
>
> --
> 2.11.0
>
> --
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