From: Chris Ball <cjb@laptop.org>
To: Will Newton <will.newton@gmail.com>
Cc: linux-mmc@vger.kernel.org
Subject: Re: [PATCH 2/2] dw_mmc: Enable low-power mode for the card clock.
Date: Thu, 10 Feb 2011 19:44:31 +0000 [thread overview]
Message-ID: <20110210194431.GB19076@void.printf.net> (raw)
In-Reply-To: <AANLkTikkCeo2YSyw_w7Qny0k9iugrM59pFWDTSwQx=i2@mail.gmail.com>
Hi,
On Thu, Feb 10, 2011 at 10:40:57AM +0000, Will Newton wrote:
> Setting this bit in the clock enable register will stop the clock
> when the card is in the IDLE state.
>
> Signed-off-by: Will Newton <will.newton@imgtec.com>
> ---
> drivers/mmc/host/dw_mmc.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 0b0bedd..4cf560d 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -562,7 +562,8 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot)
> SDMMC_CMD_UPD_CLK | SDMMC_CMD_PRV_DAT_WAIT, 0);
>
> /* enable clock */
> - mci_writel(host, CLKENA, SDMMC_CLKEN_ENABLE);
> + mci_writel(host, CLKENA, SDMMC_CLKEN_ENABLE |
> + SDMMC_CLKEN_LOW_PWR);
>
> /* inform CIU */
> mci_send_cmd(slot,
Pushed to mmc-next for .39, thanks.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
next prev parent reply other threads:[~2011-02-10 19:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-10 10:40 [PATCH 2/2] dw_mmc: Enable low-power mode for the card clock Will Newton
2011-02-10 19:44 ` Chris Ball [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-02-04 11:17 Will Newton
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