RE: [PATCH] mmc: core: Substitute mmc_flush_cash for mmc_cache_ctrl in suspend

[Seungwon Jeon <tgih.jun@samsung.com>]

Saugata Das <saugata.das@linaro.org>:
> On 10 February 2012 09:26, Seungwon Jeon <tgih.jun@samsung.com> wrote:
> > After the cache is disabled in suspend, enabling cache can be done by
> > mmc_init_card in resume. Currently this call path has been changed. In
> > case of sleep mode mmc_init_card isn't called. So mmc_cache_ctrl need to
> > be replaced with mmc_flush_cache in suspend.
> >
> > Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
> > ---
> >  drivers/mmc/core/core.c |    9 +++++++--
> >  1 files changed, 7 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> > index 8a19143..70e25d8 100644
> > --- a/drivers/mmc/core/core.c
> > +++ b/drivers/mmc/core/core.c
> > @@ -2329,9 +2329,14 @@ EXPORT_SYMBOL(mmc_card_can_sleep);
> >  */
> >  int mmc_flush_cache(struct mmc_card *card)
> >  {
> > -       struct mmc_host *host = card->host;
> > +       struct mmc_host *host;
> >        int err = 0;
> >
> > +       if (!card)
> > +               return err;
> > +
> > +       host = card->host;
> > +
> >        if (!(host->caps2 & MMC_CAP2_CACHE_CTRL))
> >                return err;
> >
> > @@ -2401,7 +2406,7 @@ int mmc_suspend_host(struct mmc_host *host)
> >        cancel_delayed_work(&host->detect);
> >        mmc_flush_scheduled_work();
> >        if (mmc_try_claim_host(host)) {
> > -               err = mmc_cache_ctrl(host, 0);
> > +               err = mmc_flush_cache(host->card);
> >                mmc_do_release_host(host);
> >        } else {
> >                err = -EBUSY;
> > --
> > 1.7.0.4
> 
> Thanks for the changes.
> Reviewed-by: Saugata Das <saugata.das@linaro.org>
> 
Is there more opinions?

Thanks,
Seungwon Jeon.
> >
> >
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