From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishore Kadiyala Subject: Re: [PATCH 1/2] ARM: OMAP4: MMC: increase delay for pbias Date: Tue, 31 May 2011 19:34:45 +0530 Message-ID: References: <1306765534-20103-1-git-send-email-balajitk@ti.com> <1306765534-20103-2-git-send-email-balajitk@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <1306765534-20103-2-git-send-email-balajitk@ti.com> Sender: linux-mmc-owner@vger.kernel.org To: Balaji T K Cc: tony@atomide.com, linux-omap@vger.kernel.org, cjb@laptop.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, madhu.cr@ti.com List-Id: linux-omap@vger.kernel.org On Mon, May 30, 2011 at 7:55 PM, Balaji T K wrote: > 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" > > Signed-off-by: Balaji T K Acked-by: Kishore Kadiyala