From 01962f8d7ced3d8b9748d3b902f7f9b68587c426 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Tue, 2 Feb 2021 10:32:48 +0800 Subject: [PATCH] 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 Reviewed-by: Jaehoon Chung --- 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..23b907328c 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, expected %04x got %04x\n", + __func__, crc_ok, crc); r1 = R1_SPI_COM_CRC; break; } -- 2.39.5