linux-kernel - Re: N900: fixing MMC at boot

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Message-Id: <201412061908.46854@pali>
Date:	Sat, 6 Dec 2014 19:08:46 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Pavel Machek <pavel@....cz>
Cc:	sre@...ian.org, sre@...g0.de,
	kernel list <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel" <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, freemangordon@....bg
Subject: Re: N900: fixing MMC at boot

On Saturday 06 December 2014 19:04:29 Pavel Machek wrote:
> On Sat 2014-12-06 18:40:16, Pali Rohár wrote:
> > On Saturday 06 December 2014 18:35:27 Pavel Machek wrote:
> > > Hi!
> > > 
> > > For a long time, MMC was not working during boot...
> > > (making the box unusable without nfsroot). It seems
> > > problem is in the regulators, because with diff below, I
> > > was able to mount root on SD card for a first time ... in
> > > a long time.
> > 
> > Hi, do you mean external SD card or internal eMMC (MyDocs)?
> 
> I mean u-SD card. But it is strange. I reverted the patch now,
> and it still works. Not sure why or what I've done
> differently.
> 
> 									Pavel

Remove battery wait some time and try again. Maybe you configured 
something which can be cleared only after full device shutdown...

-- 
Pali Rohár
pali.rohar@...il.com

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