Am Mittwoch, 18. Mai 2016, 10:37:52 schrieb Doug Anderson: > Note: I'd be very curious if your problems get better if you disable > the "grf_force_jtag" bit in the GRF. If you're using the builtin card > detect and you use the boot default of "grf_force_jtag" then your pins > will be unmuxed behind your back when the card is ejected. This could > be causing the dw_mmc controller to get confused. On the rk3288, we saw issues with the jtag/sdmmc function and thus disabled that altogether in [0]. Not sure if that is a similar problem for you. Heiko [0] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b75d51c940c25587a2ad72ec7ec60490abfb6c
