From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bin Meng Date: Sun, 17 Jan 2021 20:27:24 +0800 Subject: [PATCH v2] mmc: mmc_spi: Print verbose debug output when crc16 check fails Message-ID: <20210117122724.5321-1-bmeng.cn@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add some verbose debug output when crc16 check fails. Signed-off-by: Bin Meng Reviewed-by: Jaehoon Chung --- Changes in v2: - do the crc_ok assignment at the the same line where it's defined drivers/mmc/mmc_spi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c index 46800bbed2..b1edb6ad7c 100644 --- a/drivers/mmc/mmc_spi.c +++ b/drivers/mmc/mmc_spi.c @@ -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, expect %04x get %04x\n", + __func__, crc_ok, crc); r1 = R1_SPI_COM_CRC; break; } -- 2.25.1