linux-kernel - Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 10 Sep 2015 09:59:35 -0700
From:	Kevin Hilman <khilman@...nel.org>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Grygorii Strashko <grygorii.strashko@...com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Olof Johansson <olof@...om.net>,
	Ulf Hansson <ulf.hansson@...aro.org>, afenkart@...il.com,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sekhar Nori <nsekhar@...com>, Neil Brown <neilb@...e.de>,
	Tyler Baker <tyler.baker@...aro.org>
Subject: Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors
 from omap_hsmmc_reg_get

On Tue, Sep 1, 2015 at 8:03 AM, Tony Lindgren <tony@...mide.com> wrote:
> * Grygorii Strashko <grygorii.strashko@...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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/