From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v2 1/2] ARM: OMAP4: MMC: increase delay for pbias Date: Wed, 1 Jun 2011 04:49:29 -0700 Message-ID: <20110601114929.GB11352@atomide.com> References: <1306926923-3398-1-git-send-email-balajitk@ti.com> <1306926923-3398-2-git-send-email-balajitk@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-04-ewr.mailhop.org ([204.13.248.74]:59874 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1162600Ab1FALtd (ORCPT ); Wed, 1 Jun 2011 07:49:33 -0400 Content-Disposition: inline In-Reply-To: <1306926923-3398-2-git-send-email-balajitk@ti.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Balaji T K Cc: linux-omap@vger.kernel.org, cjb@laptop.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, madhu.cr@ti.com * Balaji T K [110601 04:13]: > 4 micro seconds is not enough for PBIAS if MMC regulator is > enabled from MMC regulator OFF. > Increase the delay for PBIAS to stabilize. > Wait for PBIAS and timeout if not. > > Resolves MMC/SD failure on OMAP4 > "Pbias Voltage is not same as LDO" Thanks for updating this, applying to devel-fixes. Tony