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

H. Nikolaus Schaller hns at goldelico.com
Mon Jul 30 08:42:50 CEST 2018


FYI: I have included your patch in letux-4.18-rc7 (which is currently being built).
If upstream has discussed if they want to dbg_info or dbg_err or whatever, it will
merge/replace your patch. In the worst case with a merge conflict. In the best case
automatically. And silently.

BR,
Nikolaus


>> 
>> Am 28.07.2018 um 19:09 schrieb Andreas Kemnade <andreas at kemnade.info>:
>> 
>> Hi,
>> 
>> 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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