From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752764AbcAGLeO (ORCPT ); Thu, 7 Jan 2016 06:34:14 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:44715 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752324AbcAGLeL (ORCPT ); Thu, 7 Jan 2016 06:34:11 -0500 Date: Thu, 7 Jan 2016 12:34:09 +0100 From: Pavel Machek To: Kishon Vijay Abraham I Cc: pali.rohar@gmail.com, sre@debian.org, sre@ring0.de, kernel list , linux-arm-kernel , 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+ Message-ID: <20160107113408.GA26618@amd> References: <20160106204627.GA21477@amd> <568DFA4B.7030308@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <568DFA4B.7030308@ti.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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