On 03/17/2016 07:43 PM, Ulf Hansson wrote: > On 17 March 2016 at 04:41, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote: >> Hello Ulf, >> I notice we add MMC_CAP2_NO_SDIO to avoid sending sdio commands >> during initialization. So that means we can use it to improve mmc init >> sequence if a specific board use one slot just for emmc or sd. But I realize >> that we can move a step further to add more cap2 like NO_SD/ >> NO_MMC in order to reduce the boot time. Does that make sense? If the >> answer is *yes*, I am happy to push some patches for it since I have >> been doing it on my local tree and testing for a long time. > > I am not against it, so please go ahead! > > Although, you need to give some proof of the amount of saved boot time > (or better the decreased initialization time of a couple of different > cards). I have already tested with similar sequence..I have remembered there is a benefit for decreasing the booting time. But i didn't remember how much time is decreased...because it wast too long time ago. Best Regards, Jaehoon Chung > > Kind regards > Uffe > -- > 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 > > -- 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
