[Letux-kernel] Regression in v4.20 with omap_hsmmc GPIO CD and WP

Andreas Kemnade andreas at kemnade.info
Sun Jan 20 17:53:03 CET 2019


On Sun, 30 Dec 2018 20:17:08 +0100
Linus Walleij <linus.walleij at linaro.org> wrote:

> On Sun, Dec 30, 2018 at 10:35 AM H. Nikolaus Schaller <hns at goldelico.com> wrote:
> > > Am 30.12.2018 um 10:24 schrieb Andreas Kemnade <andreas at kemnade.info>:  
> 
> > >> Any ideas what might be causing this on boot? Are we maybe missing
> > >> a call on boot to mmc_gpio_get_cd() somewhere?
> > >>  
> > > it hides some bogous cd gpio defines in dtb. At least on some pyra
> > > models. We had wrong polarity there.  
> >
> > Before this patch cd gpios were not really being used. With correct code
> > it uses bad definitions.  
> 
> This makes a lot of sense, can you folks confirm that fixing the device
> tree fixes the issue?
> 
For the pyra there is this kind of fix in place.

http://git.goldelico.com/?p=letux-kernel.git;a=commit;h=283edbbd2dd6679030dba1a2cbc7517b1ee1bb18

Regards,
Andreas
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