Re: [PATCH V4 01/11] mmc: core: Add mmc_retune_hold_now()

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On 21 July 2017 at 11:49, Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:
> In preparation for CQE support.

Can you please elaborate a bit on this. Perhaps explaining when/why a
host needs to call this new host API.

>
> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
>  drivers/mmc/core/host.c | 6 ++++++
>  drivers/mmc/core/host.h | 1 +
>  2 files changed, 7 insertions(+)
>
> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
> index 1503412f826c..ad88deb2e8f3 100644
> --- a/drivers/mmc/core/host.c
> +++ b/drivers/mmc/core/host.c
> @@ -111,6 +111,12 @@ void mmc_retune_hold(struct mmc_host *host)
>         host->hold_retune += 1;
>  }
>
> +void mmc_retune_hold_now(struct mmc_host *host)
> +{
> +       host->retune_now = 0;
> +       host->hold_retune += 1;
> +}
> +
>  void mmc_retune_release(struct mmc_host *host)
>  {
>         if (host->hold_retune)
> diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h
> index fb6a76a03833..77d6f60d1bf9 100644
> --- a/drivers/mmc/core/host.h
> +++ b/drivers/mmc/core/host.h
> @@ -19,6 +19,7 @@
>  void mmc_retune_enable(struct mmc_host *host);
>  void mmc_retune_disable(struct mmc_host *host);
>  void mmc_retune_hold(struct mmc_host *host);
> +void mmc_retune_hold_now(struct mmc_host *host);
>  void mmc_retune_release(struct mmc_host *host);
>  int mmc_retune(struct mmc_host *host);
>  void mmc_retune_pause(struct mmc_host *host);
> --
> 1.9.1
>

Kind regards
Uffe
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