[RFC PATCH 6/6] ARM: OMAP3: Enable Hardware Save and Restore for USB Host
From: Sergei Shtylyov <hidden>
Date: 2013-06-19 17:30:03
Also in:
linux-omap, lkml
From: Sergei Shtylyov <hidden>
Date: 2013-06-19 17:30:03
Also in:
linux-omap, lkml
Hello. On 06/19/2013 06:05 PM, Roger Quadros wrote:
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 <redacted> --- 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 f0e14e9..9554d2b 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 */
Looks like you're not indenting = right, in accordance to the other
fields...
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRSTS_RET, /* MEMRETSTATE */WBR, Sergei