Re: [PATCH 2/2] sdhci : recompute timeout_clk when needed

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On 14 August 2014 16:03, Matthieu CASTET <matthieu.castet@xxxxxxxxxx> wrote:
> when SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK is set, timeout_clk is sdclk.
> We need to update it when we change sdclk in sdhci_set_clock.
> This allow to have a more precisse timeout and max_busy_timeout. This
> can help for command that need a big busy wait (erase, ...).
>
> Signed-off-by: Matthieu CASTET <matthieu.castet@xxxxxxxxxx>

Thanks! Applied for next.

This one didn't pass checkpatch, but I fixed it this time.

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 9df59a4..76b1aab 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1192,8 +1192,13 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
>         }
>
>  clock_set:
> -       if (real_div)
> +       if (real_div) {
>                 host->mmc->actual_clock = (host->max_clk * clk_mul) / real_div;
> +               if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK) {
> +                       host->timeout_clk = host->mmc->actual_clock / 1000;
> +                       host->mmc->max_busy_timeout = (1 << 27) / host->timeout_clk;
> +               }
> +       }
>
>         clk |= (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
>         clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
> --
> 2.1.0.rc1
>
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