From 1169299135d7793dcea5f05a959a9c38d78a0ee1 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 23 Jun 2015 15:38:50 -0600 Subject: [PATCH] mmc: Add debug() output on read errors Allow read errors to be diagnosed more easily. Signed-off-by: Simon Glass --- drivers/mmc/mmc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 4eab274f73..da47037a30 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -250,14 +250,18 @@ static ulong mmc_bread(int dev_num, lbaint_t start, lbaint_t blkcnt, void *dst) return 0; } - if (mmc_set_blocklen(mmc, mmc->read_bl_len)) + if (mmc_set_blocklen(mmc, mmc->read_bl_len)) { + debug("%s: Failed to set blocklen\n", __func__); return 0; + } do { cur = (blocks_todo > mmc->cfg->b_max) ? mmc->cfg->b_max : blocks_todo; - if(mmc_read_blocks(mmc, dst, start, cur) != cur) + if (mmc_read_blocks(mmc, dst, start, cur) != cur) { + debug("%s: Failed to read blocks\n", __func__); return 0; + } blocks_todo -= cur; start += cur; dst += cur * mmc->read_bl_len; -- 2.39.5