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 <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
