[PATCH] mmc: dw_mmc: Don't return error if data busy timeout
Yang Xiwen
forbidden405 at outlook.com
Fri Jan 26 04:29:54 CET 2024
As described in [1], some poor hardware or cards would fail to release
the bus and keep driving data lines low. Ignore it and send the next cmd
directly seems okay for most cases.
[1]: https://patchwork.kernel.org/project/linux-mmc/patch/1424458179-5456-1-git-send-email-dianders@chromium.org/
Signed-off-by: Yang Xiwen <forbidden405 at outlook.com>
---
drivers/mmc/dw_mmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 400066fa99..e103664145 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -262,8 +262,8 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) {
if (get_timer(start) > timeout) {
- debug("%s: Timeout on data busy\n", __func__);
- return -ETIMEDOUT;
+ debug("%s: Timeout on data busy, continue anyway\n", __func__);
+ break;
}
}
--
2.43.0
More information about the U-Boot
mailing list