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

Andreas Kemnade andreas at kemnade.info
Sun Dec 30 10:24:15 CET 2018


Hi,

On Thu, 27 Dec 2018 10:50:42 -0800
Tony Lindgren <tony at atomide.com> wrote:

> Hi all,
> 
> Looks like commit e63201f19438 ("mmc: omap_hsmmc: Delete platform data
> GPIO CD and WP") caused mmcblk0 to stop being detected on boot on some
> omaps. According to Aaro and Adam, mmcblk0 does get detected after
> replugging the SD card. Reverting the commit fixes the issue.
> 
> 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.

Regards,
Andreas
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