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mmc: mmc_spi: Print verbose debug output when crc16 check fails 

Add some verbose debug output when crc16 check fails.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Bin Meng 2021-02-02 10:32:48 +08:00 committed by Peng Fan
parent 8e2b0af721
commit 01962f8d7c
1 changed files with 4 additions and 2 deletions
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6
drivers/mmc/mmc_spi.c
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@ -181,8 +181,10 @@ static int mmc_spi_readdata(struct udevice *dev,
if (ret)
return ret;
#ifdef CONFIG_MMC_SPI_CRC_ON
if (be16_to_cpu(crc16_ccitt(0, buf, bsize)) != crc) {
debug("%s: data crc error\n", __func__);
u16 crc_ok = be16_to_cpu(crc16_ccitt(0, buf, bsize));
if (crc_ok != crc) {
debug("%s: data crc error, expected %04x got %04x\n",
__func__, crc_ok, crc);
r1 = R1_SPI_COM_CRC;
break;
}