diff options
| author | Will Newton <will.newton@gmail.com> | 2011-02-10 10:40:57 (GMT) |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-03-15 17:48:53 (GMT) |
| commit | aadb9f4110096876c6f03073415439f76f0c61ca (patch) | |
| tree | 8e680a68fc3fc83c80627ab6974421d5b3f5c997 | |
| parent | dd6c4b9807581b37bf68ba3cd160c6859f070d39 (diff) | |
| download | linux-fsl-qoriq-aadb9f4110096876c6f03073415439f76f0c61ca.tar.xz | |
mmc: dw_mmc: Enable low-power mode for the card clock.
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>
Signed-off-by: Chris Ball <cjb@laptop.org>
| -rw-r--r-- | 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 c01cb86..cd6d821 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, |