[U-Boot] [U-Boot, 1/2] mmc: sdhci: set to INT_DATA_END when there are data

Jaehoon Chung
2016-08-05T02:24:07Z

On 07/12/2016 09:18 PM, Jaehoon Chung wrote:
> There is no data, it doesn't needs to wait for completing data transfer.
> (It seems that it can be removed.)
> Almost all timeout error is occured from stop command without data.
> After applied this patch, I hope that we don't need to increase timeout value anymore.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> Acked-by: Lukasz Majewski <l.majewski@samsung.com>
> Tested-by: Lukasz Majewski <l.majewski@samsung.com>
> Acked-by: Minkyu Kang <mk7.kang@samsung.com>

Applied on u-boot-mmc. Thanks!

Best Regards,
Jaehoon Chung

> ---
> drivers/mmc/sdhci.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
> index 604f18d..0a38a56 100644
> --- a/drivers/mmc/sdhci.c
> +++ b/drivers/mmc/sdhci.c
> @@ -175,7 +175,8 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
> flags = SDHCI_CMD_RESP_LONG;
> else if (cmd->resp_type & MMC_RSP_BUSY) {
> flags = SDHCI_CMD_RESP_SHORT_BUSY;
> - mask |= SDHCI_INT_DATA_END;
> + if (data)
> + mask |= SDHCI_INT_DATA_END;
> } else
> flags = SDHCI_CMD_RESP_SHORT;
>
>