From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: Re: [PATCH 4/4] mmc: omap_hsmmc: Simplify init for twl6030 MMC card detect Date: Mon, 05 Mar 2012 14:46:07 +0530 Message-ID: <4F548457.5050205@ti.com> References: <20120301185044.29210.44521.stgit@kaulin.local> <20120301185535.29210.71546.stgit@kaulin.local> <4F50643B.9050500@ti.com> <20120302172251.GJ18901@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120302172251.GJ18901@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Samuel Ortiz , linux-mmc@vger.kernel.org, Chris Ball , linux-arm-kernel@lists.infradead.org, Venkatraman S , Balaji T K List-Id: linux-mmc@vger.kernel.org On Friday 02 March 2012 10:52 PM, Tony Lindgren wrote: > BTW, with -rc5, looks like re-inserting omap_hsmmc on omap4 fails > to detect any cards, and then fails to unload. This works on omap3 > just fine. Any ideas why that would be? Yeah, looks like thats broken. I am not sure whats going wrong though. I just enabled CONFIG_MMC_DEBUG and saw these logs below. Venkat/Balaji, care to look at this one? # insmod omap_hsmmc.ko [ 43.358398] omap_hsmmc omap_hsmmc.0: context was not lost [ 43.364105] omap_hsmmc omap_hsmmc.0: enabled [ 44.434661] mmc0: clock 0Hz busmode 1 powermode 0 cs 0 Vdd 0 width 0 timing 0 [ 44.442352] omap_hsmmc omap_hsmmc.0: Set clock to 0Hz [ 44.474365] omap_hsmmc omap_hsmmc.0: disabled [ 44.482208] omap_hsmmc omap_hsmmc.4: context was not lost [ 44.482208] omap_hsmmc omap_hsmmc.4: enabled [ 44.546600] omap_hsmmc omap_hsmmc.0: context was not lost [ 44.552276] omap_hsmmc omap_hsmmc.0: enabled [ 44.552276] mmc0: mmc_rescan_try_freq: trying to init card at 400000 Hz [ 44.563720] mmc0: clock 0Hz busmode 2 powermode 1 cs 0 Vdd 18 width 0 timing 0 [ 44.572174] omap_hsmmc omap_hsmmc.0: Set clock to 0Hz [ 44.613800] mmc0: clock 400000Hz busmode 2 powermode 2 cs 0 Vdd 18 width 0 timing 0 [ 44.621887] omap_hsmmc omap_hsmmc.0: Set clock to 400000Hz [ 44.735290] mmc0: starting CMD52 arg 00000c00 flags 00000195 [ 44.741271] omap_hsmmc omap_hsmmc.0: mmc0: CMD52, argument 0x00000c00 [ 45.560241] mmc1: clock 0Hz busmode 1 powermode 0 cs 0 Vdd 0 width 0 timing 0 [ 45.567871] omap_hsmmc omap_hsmmc.4: Set clock to 0Hz [ 45.591491] omap_hsmmc omap_hsmmc.4: disabled # # # rmmod omap_hsmmc [ 607.302307] omap_hsmmc omap_hsmmc.4: context was not lost [ 607.308044] omap_hsmmc omap_hsmmc.4: enabled [ 607.312591] omap_hsmmc omap_hsmmc.4: disabled [ 607.317199] omap_hsmmc omap_hsmmc.4: context was not lost [ 607.322875] omap_hsmmc omap_hsmmc.4: enabled