From: Pavel Machek <pavel@ucw.cz>
To: Kishon Vijay Abraham I <kishon@ti.com>
Cc: pali.rohar@gmail.com, sre@debian.org, sre@ring0.de,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org,
aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
patrikbachan@gmail.com
Subject: Re: Nokia N900: u-SD card in v4.2+
Date: Thu, 7 Jan 2016 12:34:09 +0100 [thread overview]
Message-ID: <20160107113408.GA26618@amd> (raw)
In-Reply-To: <568DFA4B.7030308@ti.com>
Hi!
> On Thursday 07 January 2016 02:16 AM, Pavel Machek wrote:
> > Hi!
> >
> > In v4.1, both internal MMC and u-SD cards work ok.
> >
> > In v4.2, only the internal MMC is detected. In v4.3, not even internal
> > MMC works. In v4.4, only the internal MMC is detected.
> >
> > Does it work for you? Any patches?
>
> I don't have Nokia N900 to check this, but can you share your config and kernel
> logs? Check if CONFIG_REGULATOR_PBIAS is present in your config.
> CONFIG_REGULATOR_PBIAS is now mandatory for all omap3+ SoCs to work.
I enabled CONFIG_REGULATOR_PBIAS and both MMCs now work.
I wonder if we should add some selects, so that users updating from
old kernels don't break their system?
Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: Nokia N900: u-SD card in v4.2+
Date: Thu, 7 Jan 2016 12:34:09 +0100 [thread overview]
Message-ID: <20160107113408.GA26618@amd> (raw)
In-Reply-To: <568DFA4B.7030308@ti.com>
Hi!
> On Thursday 07 January 2016 02:16 AM, Pavel Machek wrote:
> > Hi!
> >
> > In v4.1, both internal MMC and u-SD cards work ok.
> >
> > In v4.2, only the internal MMC is detected. In v4.3, not even internal
> > MMC works. In v4.4, only the internal MMC is detected.
> >
> > Does it work for you? Any patches?
>
> I don't have Nokia N900 to check this, but can you share your config and kernel
> logs? Check if CONFIG_REGULATOR_PBIAS is present in your config.
> CONFIG_REGULATOR_PBIAS is now mandatory for all omap3+ SoCs to work.
I enabled CONFIG_REGULATOR_PBIAS and both MMCs now work.
I wonder if we should add some selects, so that users updating from
old kernels don't break their system?
Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2016-01-07 11:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-06 20:46 Nokia N900: u-SD card in v4.2+ Pavel Machek
2016-01-06 20:46 ` Pavel Machek
2016-01-07 5:40 ` Kishon Vijay Abraham I
2016-01-07 5:40 ` Kishon Vijay Abraham I
2016-01-07 5:40 ` Kishon Vijay Abraham I
2016-01-07 11:34 ` Pavel Machek [this message]
2016-01-07 11:34 ` Pavel Machek
2016-01-09 22:44 ` Pali Rohár
2016-01-09 22:44 ` Pali Rohár
2016-01-11 8:40 ` Kishon Vijay Abraham I
2016-01-11 8:40 ` Kishon Vijay Abraham I
2016-01-11 8:40 ` Kishon Vijay Abraham I
2016-01-13 19:12 ` Pavel Machek
2016-01-13 19:12 ` Pavel Machek
2016-01-13 19:20 ` Tony Lindgren
2016-01-13 19:20 ` Tony Lindgren
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