[U-Boot] [PATCH 2/3] mmc: use block layer in mmc command

Eric Nelson
2016-03-27T19:00:14Z

Call blk_dread, blk_dwrite, blk_derase to ensure that the block cache is
used if enabled and to remove build breakage when CONFIG_BLK is enabled.

Signed-off-by: Eric Nelson <eric@nelint.com>
---
cmd/mmc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cmd/mmc.c b/cmd/mmc.c
index fb4382e..39ef072 100644
--- a/cmd/mmc.c
+++ b/cmd/mmc.c
@@ -150,6 +150,7 @@ static struct mmc *init_mmc_device(int dev, bool force_init)
printf("no mmc device at slot %x\n", dev);
return NULL;
}
+
if (force_init)
mmc->has_init = 0;
if (mmc_init(mmc))
@@ -345,7 +346,7 @@ static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
printf("\nMMC read: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);

- n = mmc->block_dev.block_read(&mmc->block_dev, blk, cnt, addr);
+ n = blk_dread(&mmc->block_dev, blk, cnt, addr);
/* flush cache after read */
flush_cache((ulong)addr, cnt * 512); /* FIXME */
printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
@@ -377,7 +378,7 @@ static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
printf("Error: card is write protected!\n");
return CMD_RET_FAILURE;
}
- n = mmc->block_dev.block_write(&mmc->block_dev, blk, cnt, addr);
+ n = blk_dwrite(&mmc->block_dev, blk, cnt, addr);
printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");

return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
@@ -405,7 +406,7 @@ static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
printf("Error: card is write protected!\n");
return CMD_RET_FAILURE;
}
- n = mmc->block_dev.block_erase(&mmc->block_dev, blk, cnt);
+ n = blk_derase(&mmc->block_dev, blk, cnt);
printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");

return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
--
2.6.2