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

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Message-ID: <20150901150336.GF4215@atomide.com>
Date:	Tue, 1 Sep 2015 08:03:36 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Grygorii Strashko <grygorii.strashko@...com>
Cc:	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>
Subject: Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors
 from omap_hsmmc_reg_get

* 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.

Regards,

Tony
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