2018-04-24 22:26 GMT+09:00 Dan Carpenter <dan.carpenter@xxxxxxxxxx>:
> We were supposed to go through this loop twice but there is a missing if
> statement so it only loops once.
>
> Fixes: 213fae74318b ("mmc: sdhci-cadence: send tune request twice to work around errata")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Thanks for the fix, but
an equivalent patch had already been applied.
https://patchwork.kernel.org/patch/10351215/
> diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c
> index bc30d1637246..7a343b87b5e5 100644
> --- a/drivers/mmc/host/sdhci-cadence.c
> +++ b/drivers/mmc/host/sdhci-cadence.c
> @@ -274,8 +274,8 @@ static int sdhci_cdns_set_tune_val(struct sdhci_host *host, unsigned int val)
> ret = readl_poll_timeout(reg, tmp,
> !(tmp & SDHCI_CDNS_HRS06_TUNE_UP),
> 0, 1);
> -
> - return ret;
> + if (ret)
> + return ret;
> }
>
> return 0;
> --
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--
Best Regards
Masahiro Yamada
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