Hi, On Tue, Apr 12 2011, Cyril Hrubis wrote: >> > mmc0: error -95 whilst initialising SD card >> >> That's interesting. Would you mind trying to bisect? (Knowing whether >> 2.6.38 final does it, for example, would be very helpful.) > > It may need one or two tries on 2.6.38 but it's there too. > >> 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? > > Fails in the mmc_app_cmd. Okay. mmc_app_cmd() hasn't changed for years, so I'm afraid I don't have any strong leads for you -- further bisection (you're pretty sure this is a regression?) would be very useful. Thanks, - Chris. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
