[PATCH v2 2/3] mmc: dw_mmc: Don't return error if data busy timeout
Jaehoon Chung
jh80.chung at samsung.com
Wed Apr 3 02:41:55 CEST 2024
Hi,
On 2/1/24 23:05, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405 at outlook.com>
>
> 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.
This patch seems to be same with previous patch, right?
Best Regards,
Jaehoon Chung
>
> [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;
> }
> }
>
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