From: Yang Xiwen Date: Thu, 1 Feb 2024 14:05:43 +0000 (+0800) Subject: mmc: dw_mmc: Don't return error if data busy timeout X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-favicon.png?a=commitdiff_plain;h=1fa6dc2879899a42ba85d4ece617c2356d048308;p=u-boot.git mmc: dw_mmc: Don't return error if data busy timeout 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 Tested-by: Jaehoon Chung --- 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; } }