Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH 1/6] ARM: OMAP3: Enable Hardware Save and Restore for USB Host | Date | Wed, 10 Jul 2013 19:17:56 +0300 |
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To ensure hardware context is restored while resuming from OFF mode we need to enable the Hardware SAR bit for the USB Host power domain.
Signed-off-by: Roger Quadros <rogerq@ti.com> --- arch/arm/mach-omap2/powerdomains3xxx_data.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c index e2d4bd8..7b44d1f 100644 --- a/arch/arm/mach-omap2/powerdomains3xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c @@ -289,13 +289,7 @@ static struct powerdomain usbhost_pwrdm = { .prcm_offs = OMAP3430ES2_USBHOST_MOD, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRSTS_RET, - /* - * 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 */ + .flags = PWRDM_HAS_HDWR_SAR, /* for USBHOST ctrlr only */ .banks = 1, .pwrsts_mem_ret = { [0] = PWRSTS_RET, /* MEMRETSTATE */ -- 1.7.4.1
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