Hi Jouni,
one quick review comment:
On Fri, 14 Nov 2008, Jouni Hogander wrote:
> Check that wanted sleep state is supported by powerdomain. If it is
> not supported, then use next lowest supported state.
>
> Check also on suspend that state of pwrdm was lower or equal.
...
> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
> index da098d2..babead5 100644
> --- a/arch/arm/mach-omap2/pm34xx.c
> +++ b/arch/arm/mach-omap2/pm34xx.c
> @@ -239,8 +239,13 @@ static int set_pwrdm_state(struct powerdomain *pwrdm,
> u32 state)
> if (pwrdm == NULL || IS_ERR(pwrdm))
> return -EINVAL;
>
> - cur_state = pwrdm_read_next_pwrst(pwrdm);
> + while (!(pwrdm->pwrsts & (1 << state))) {
> + if (state < PWRDM_POWER_OFF)
> + return ret;
This if-statement will never execute, since 'state' is unsigned, and
PWRDM_POWER_OFF is 0. Maybe the easiest way to fix it would be to make
'state' a signed int?
Other than that, looks good to me.
> + state--;
> + }
>
> + cur_state = pwrdm_read_next_pwrst(pwrdm);
> if (cur_state == state)
> return ret;
- Paul
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