From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kishore kadiyala" Subject: Re: [PATCH v4 0/5] Adding MMC Support on OMAP4430 SDP Date: Thu, 20 May 2010 23:01:06 +0530 Message-ID: <087101caf842$3d7aabe0$LocalHost@wipblrx0099945A> References: <22422.10.24.255.17.1273947606.squirrel@dbdmail.itg.ti.com> <20100518025026.GF5818@atomide.com> <20100519000912.GX5818@atomide.com> <05ec01caf76a$3a02da60$LocalHost@wipblrx0099945A> <20100520005800.GK5818@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:59558 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752000Ab0ETRb2 (ORCPT ); Thu, 20 May 2010 13:31:28 -0400 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Tony Lindgren Cc: linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, madhu.cr@ti.com, jarkko.lavinen@nokia.com, rmk@arm.linux.org.uk, paul@pwsan.com, santosh.shilimkar@ti.com ----- Original Message ----- From: "Tony Lindgren" To: "kishore kadiyala" Cc: ; ; ; ; ; ; Sent: Thursday, May 20, 2010 6:28 AM Subject: Re: [PATCH v4 0/5] Adding MMC Support on OMAP4430 SDP >* kishore kadiyala [100519 08:39]: >> > >> >FYI, the MMC on omap4 is not quite there yet at least >> >on my board. It mostly detects the card with >> >omap_4430sdp_defconfig, but fails always unless >> >CONFIG_RTC_DRV_TWL92330=y.. This is without CONFIG_SMP >> >as it oopses. >> >> Hope you are referring CONFIG_RTC_DRV_TWL92330 to omap3_defconfig >> and not to omap_4430sdp_defconfig. > > Sorry I meant CONFIG_RTC_DRV_TWL4030 in the omap_4430sdp_defconfig. > If you take that out, MMC is never detected. Even disabling CONFIG_RTC_DRV_TWL4030 in omap_4430sdp_defconfig, card gets detected always on booting up. > >> With omap_4430sdp_defconfig , I've tested on 4430SDP and Blaze and always >> Cards on MMC1 & MMC2 gets detected once bootedup. > > Are you able to actually mount root on the MMC with let's say > current linux-omap master branch? Yes I booted with file system mounted on card present on MMC1, and I can see cards getting detected properly and also filesystem gettting mounted. Here are the boot logs with "CONFIG_RTC_DRV_TWL4030 " disabled and filesystem on ext2 partition of card present on MMC1 http://pastebin.mozilla.org/726228 Regards, Kishore > >> >Also MMC is never detected with omap3_defconfig. >> >> With omap3_defconfig + disabling "CONFIG_OMAP_RESET_CLOCKS", >> I've tested on 4430SDP and Blaze and always Cards on MMC1 & MMC2 >> gets detected on bootup. > > That should be fixed so CONFIG_OMAP_RESET_CLOCKS works. Otherwise > we're relying on some random clocks being enabled. > >> >I've piled all these patches into linux-omap master branch >> >for easy testing. Let me know if I missed some patch. >> >> Following is the commit ID :1674c0ceabfb7726246989874bb4da7bcb55ea89 >> used on LO master branch for testing. All the patches were merged. > > OK, thanks for checking that. > > Regards, > > Tony >