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authorBin Meng <bin.meng@windriver.com>2021-02-02 10:48:46 +0800
committerPeng Fan <peng.fan@nxp.com>2021-02-19 15:07:30 +0800
commit781aad0de93aedf94a17cc66b2f211bf156b718e (patch)
tree19b029508a6cd67b174003aa1f5b0561d85023a4
parent01962f8d7ced3d8b9748d3b902f7f9b68587c426 (diff)
downloadu-boot-781aad0de93aedf94a17cc66b2f211bf156b718e.tar.gz
mmc: mmc_spi: Move argument check to the beginning of mmc_spi_sendcmd()
The argument check should happen before any transfer on the SPI lines. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
-rw-r--r--drivers/mmc/mmc_spi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index 23b907328c..a06862aa48 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -78,6 +78,9 @@ static int mmc_spi_sendcmd(struct udevice *dev,
int i, rpos = 0, ret = 0;
u8 cmdo[7], r;
+ if (!resp || !resp_size)
+ return 0;
+
debug("%s: cmd%d cmdarg=0x%x resp_type=0x%x "
"resp_size=%d resp_match=%d resp_match_value=0x%x\n",
__func__, cmdidx, cmdarg, resp_type,
@@ -98,9 +101,6 @@ static int mmc_spi_sendcmd(struct udevice *dev,
if (ret)
return ret;
- if (!resp || !resp_size)
- return 0;
-
debug("%s: cmd%d", __func__, cmdidx);
if (resp_match) {