From mboxrd@z Thu Jan 1 00:00:00 1970 From: cjb@laptop.org (Chris Ball) Date: Tue, 12 Apr 2011 17:39:26 -0400 Subject: zaurus: mmcblk0: error -110 In-Reply-To: (Chris Ball's message of "Tue, 12 Apr 2011 17:21:15 -0400") References: <20110412151547.GC20815@atrey.karlin.mff.cuni.cz> <20110412193944.GC2665@atrey.karlin.mff.cuni.cz> <20110412205421.GD2665@atrey.karlin.mff.cuni.cz> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, Apr 12 2011, Chris Ball wrote: > There aren't many -EOPNOTSUPP returns in the stack. I see: > > card/block.c: mmc_blk_issue_secdiscard_rq and mmc_blk_issue_discard_rq > card/core.c: mmc_erase > core/sd_ops.c: mmc_app_cmd > > Mind doing some instrumentation to figure out which it is? Actually, this probably isn't necessary -- mmc_app_cmd() is the only call involved in the setup path, via mmc_sd_init_card() -> mmc_app_send_scr(). So, a better question: was mmc_app_send_scr() succeeding on your previous kernels? There hasn't been much change in this area lately. Thanks, - Chris. -- Chris Ball One Laptop Per Child