This code adds call to mmc_init(), for partition related commands (e.g. fatls, fatinfo etc.).
It is safe to call mmc_init() multiple times since mmc->has_init flag prevents from multiple initialization. The FAT related code calls get_dev high level method and then uses elements from mmc->block_dev, which is uninitialized until the mmc_init (and thereof mmc_startup) is called. This problem appears on boards, which don't use mmc as the default place for envs Signed-off-by: Lukasz Majewski <l.majew...@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com> Cc: Andy Fleming <aflem...@gmail.com> --- drivers/mmc/mmc.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 618960e..84eb4e0 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1305,8 +1305,11 @@ int mmc_register(struct mmc *mmc) block_dev_desc_t *mmc_get_dev(int dev) { struct mmc *mmc = find_mmc_device(dev); + if (!mmc) + return NULL; - return mmc ? &mmc->block_dev : NULL; + mmc_init(mmc); + return &mmc->block_dev; } #endif -- 1.7.2.3 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot