On Tue, Mar 02, 2010 at 01:09:55AM +0100, ext Kevin Hilman wrote:
> Eduardo Valentin writes:
>
> > From: Eduardo Valentin
> >
> > Add a basic description information for each cpuidle C-state.
> > The info contains only which state the MPU, NEON and CORE
> > power domains should reach when the C-state is selected.
> >
> > Signed-off-by: Eduardo Valentin
>
> I like this series. Some minor comments...
>
> > ---
> > arch/arm/mach-omap2/cpuidle34xx.c |4
> > 1 files changed, 4 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-omap2/cpuidle34xx.c
> > b/arch/arm/mach-omap2/cpuidle34xx.c
> > index 1cfa5a6..50fe9ab 100644
> > --- a/arch/arm/mach-omap2/cpuidle34xx.c
> > +++ b/arch/arm/mach-omap2/cpuidle34xx.c
> > @@ -339,6 +339,7 @@ struct cpuidle_driver omap3_idle_driver = {
> > */
> > int __init omap3_idle_init(void)
> > {
> > + const char *pd_states[4] = {"OFF", "RET", "INA", "ON "};
>
> I'd rather see something like this for this array, just in case
> those values change for any reason.
>
> static const char *pd_states[] = {
> [PWRDM_POWER_OFF] = "OFF",
> [PWRDM_POWER_RET] = "RET",
> [PWRDM_POWER_INACTIVE] = "INA",
> [PWRDM_POWER_ON] = "ON",
Nice! I'll resend with your proposal.
> };
>
> > int i, count = 0;
> > struct omap3_processor_cx *cx;
> > struct cpuidle_state *state;
> > @@ -367,6 +368,9 @@ int __init omap3_idle_init(void)
> > if (cx->type == OMAP3_STATE_C1)
> > dev->safe_state = state;
> > sprintf(state->name, "C%d", count+1);
> > + sprintf(state->desc, "MPU=%s NEON=%s CORE=%s",
> > + pd_states[cx->mpu_state], pd_states[cx->mpu_state],
> > + pd_states[cx->core_state]);
> > count++;
> > }
> >
> > --
> > 1.6.5.7.g9ecb2
--
Eduardo Valentin
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