[Letux-kernel] [PATCH] pwm: pwm-omap-dmtimer: fix probing problems by returning EPROBE_DEFER

Andreas Kemnade andreas at kemnade.info
Sat Jul 28 19:09:21 CEST 2018


On Sat, 28 Jul 2018 18:59:14 +0200
Andreas Kemnade <andreas at kemnade.info> 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
> Fixes: b7290cf6ff78 (pwm: pwm-omap-dmtimer: Adapt driver to utilize dmtimer pdata ops)
> Signed-off-by: Andreas Kemnade <andreas at kemnade.info>

seems to be introduced in 4.17
so maybe worth adding to letux-4.17.x

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