On Thu, Sep 1, 2011 at 2:37 AM, zhangfei gao <zhangfei.gao@xxxxxxxxx> wrote: > Daniel once suggested reusing vmmc, however we found CD pin requires > vmmc to be alwayes on. > If vmmc is dynamically power off, CD pin will be low, which indicating > card is inserted by mistake. > For example when no card inserted, CD pin will high -> host fail to > detect sd card -> vmmc disabled in set_ios -> host thought card > inserted -> irq happen -> host redetect card -> Sorry that I haven't been able to follow up on why that doesn't work, and what the real fix would be (if it's not this one). Every time I see people discussing terms like CD, RESETn and PDn, I simply get lost (and such discussion seems to originate only from Marvell). Are these generic SD/MMC terms that I simply don't understand, or are we talking Marvell specific terminology that I'm not alone in lacking understanding of? Thanks, Daniel -- 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
