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Commit 867d320b authored by Kalle Jokiniemi's avatar Kalle Jokiniemi Committed by Kevin Hilman
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PM: Disable usb host HW save and restore 



The hardware SAVEANDRESTORE mechanism seems to leave
USB HOST power domain permanently into active state
after one transition from off to active state.
Disabling for now.

Signed-off-by: default avatarKalle Jokiniemi <ext-kalle.jokiniemi@nokia.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent 2329e7cc

arch/arm/mach-omap2/powerdomains34xx.h

+7 −1
Original line number Diff line number Diff line
@@ -338,7 +338,13 @@ static struct powerdomain usbhost_pwrdm = { 
	.sleepdep_srcs	  = dss_per_usbhost_sleepdeps,

	.pwrsts		  = PWRSTS_OFF_RET_ON,

	.pwrsts_logic_ret = PWRDM_POWER_RET,

	.flags		  = PWRDM_HAS_HDWR_SAR, /* for USBHOST ctrlr only */

	/*

	 * REVISIT: Enabling usb host save and restore mechanism seems to

	 * leave the usb host domain permanently in ACTIVE mode after

	 * changing the usb host power domain state from OFF to active once.

	 * Disabling for now.

	 */

	/*.flags	  = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */

	.banks		  = 1,

	.pwrsts_mem_ret	  = {

		[0] = PWRDM_POWER_RET, /* MEMRETSTATE */