From: Bin Meng <bmeng.cn@gmail.com>
To: u-boot@lists.denx.de
Subject: [PATCH] mmc: mmc_spi: Print verbose debug output when crc16 check fails
Date: Wed, 6 Jan 2021 20:47:17 +0800 [thread overview]
Message-ID: <20210106124717.20041-1-bmeng.cn@gmail.com> (raw)
Add some verbose debug output when crc16 check fails.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---
drivers/mmc/mmc_spi.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index 50fcd32674..87d7edffd5 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -181,8 +181,11 @@ 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;
+ 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
next reply other threads:[~2021-01-06 12:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210106124830epcas1p3027406410ea76aa43e3a895a22742c9f@epcas1p3.samsung.com>
2021-01-06 12:47 ` Bin Meng [this message]
2021-01-06 23:36 ` [PATCH] mmc: mmc_spi: Print verbose debug output when crc16 check fails Jaehoon Chung
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210106124717.20041-1-bmeng.cn@gmail.com \
--to=bmeng.cn@gmail.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.