Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg_get

From	Kevin Hilman <khilman@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg_get
Date	2015-09-10 19:00 +0200
Message-ID	<q7dmy-7kS-1@gated-at.bofh.it> (permalink)
References	(6 earlier) <q3EEH-2JS-23@gated-at.bofh.it> <q3UT7-SA-5@gated-at.bofh.it> <q3Vcu-1fz-45@gated-at.bofh.it> <q3Vcu-1fz-43@gated-at.bofh.it> <q3Vma-1Gq-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Sep 1, 2015 at 8:03 AM, Tony Lindgren <tony@atomide.com> wrote:
> * Grygorii Strashko <grygorii.strashko@ti.com> [150901 07:57]:
>> On 09/01/2015 05:50 PM, Tony Lindgren wrote:
>> >>
>> >>On -next, Above crash signature could be related to race
>> >>"ARM: OMAP2+: omap-device: fix race deferred probe of omap_hsmmc vs omap_device_late_init"
>> >>http://www.spinics.net/lists/linux-omap/msg121622.html
>> >
>> >Good point thanks, yes that's the case. MMC probing fails and then we hit this
>> >separate issue while MMC is trying to probe. Applying your fix makes the
>> >abort disappear, but naturally does not get MMC working again.
>>
>> you may need CONFIG_GPIO_PCF857X=y for dra7-evm
>
> This is a regression at least on omap4 as pointed out by Olof.

FWIW, this problem still exists in mainline[1], and note that it fails
for omap2plus_defconfig which already has CONFIG_REGULATOR_PBIAS=y, so
that is not the fix for this issue.

Kevin

[1] http://kernelci.org/boot/omap4-panda-es/?mainline&omap2plus_defconfig&lab-khilman
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Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors  from omap_hsmmc_reg_get Kevin Hilman <khilman@kernel.org> - 2015-09-10 19:00 +0200
  Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors  from omap_hsmmc_reg_get Tony Lindgren <tony@atomide.com> - 2015-09-10 22:50 +0200

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