On 05/20/2014 10:57 AM, Stephen Warren wrote: > From: Bryan Wu <[email protected]> > > mmc dev ${devnum} will return 0 as success even if there is no card > inserted. Booting script like tegra-common-post.h will call mmc dev > ${devnum} to check the mmc device status, it always return 0 even if > mmc_init() fails. > > Check mmc_init() return value let mmc dev command return failure > when mmc_init() fails.
For the email archive record, it looks like this same logic has already been implemented as part of: 1fd93c6e7d8a eMMC: cmd_mmc.c adds the 'rpmb' sub-command for the 'mmc' command ... which was just recently committed into u-boot-mmc/master. (See the code in init_mmc_device) _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
