Commit aadb9f41 authored Feb 10, 2011 by Will Newton Committed by Chris Ball Mar 15, 2011

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>

parent dd6c4b98

drivers/mmc/host/dw_mmc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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,