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SubjectRe: [RFC PATCH 6/6] ARM: OMAP3: Enable Hardware Save and Restore for USB Host
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 <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 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



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