On Wed, Jul 13, 2011 at 8:06 PM, Balaji T K <balajitk@xxxxxx> wrote:
> Put MMC to sleep if it supports SLEEP/AWAKE (CMD5)
> in the mmc suspend to minimize power consumption.
>
> Signed-off-by: Balaji T K <balajitk@xxxxxx>
> ---
> drivers/mmc/core/mmc.c | 8 ++++++--
> 1 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index afabdc3..e8dfcde 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -900,16 +900,20 @@ static void mmc_detect(struct mmc_host *host)
> */
> static int mmc_suspend(struct mmc_host *host)
> {
> + int err = 0;
> +
> BUG_ON(!host);
> BUG_ON(!host->card);
>
> mmc_claim_host(host);
> - if (!mmc_host_is_spi(host))
> + if (mmc_card_can_sleep(host))
> + err = mmc_card_sleep(host);
> + else if (!mmc_host_is_spi(host))
> mmc_deselect_cards(host);
> host->card->state &= ~MMC_STATE_HIGHSPEED;
> mmc_release_host(host);
>
> - return 0;
> + return err;
> }
>
> /*
> --
> 1.7.0.4
>
Balaji,
Would you mind reposting the patch without the RFC and s/CORE/core
in subject line ?
You can add my
Acked-by: Venkatraman S <svenkatr@xxxxxx>
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