A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mmc: dw_mmc: Enable low-power mode for the card clock.

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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 <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
This commit is contained in:
Will Newton 2011-02-10 10:40:57 +00:00 • committed by Chris Ball
commit aadb9f4110
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/host/dw_mmc.c
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@ -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,