diff options
Diffstat (limited to 'drivers/st/io/io_mmc.c')
| -rw-r--r-- | drivers/st/io/io_mmc.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/st/io/io_mmc.c b/drivers/st/io/io_mmc.c index 44b7d1907..0ed71540c 100644 --- a/drivers/st/io/io_mmc.c +++ b/drivers/st/io/io_mmc.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -97,14 +97,21 @@ static int mmc_block_seek(io_entity_t *entity, int mode, static int mmc_block_read(io_entity_t *entity, uintptr_t buffer, size_t length, size_t *length_read) { - *length_read = mmc_read_blocks(seek_offset / MMC_BLOCK_SIZE, - buffer, length); - - if (*length_read != length) { - return -EIO; + uint8_t retries; + + for (retries = 0U; retries < 3U; retries++) { + *length_read = mmc_read_blocks(seek_offset / MMC_BLOCK_SIZE, + buffer, length); + + if (*length_read == length) { + return 0; + } + WARN("%s: length_read = %lu (!= %lu), retry %u\n", __func__, + (unsigned long)*length_read, (unsigned long)length, + retries + 1U); } - return 0; + return -EIO; } /* Close a file on the mmc device */ |