Rajendra Nayak <[email protected]> writes: > This should help users who do a > 'echo 1 > /debug/pm_debug/sleep_while_idle' with a > config which has !CONFIG_CPU_IDLE and wonder > why OMAP is'nt sleeping in idle.
This isn't quite right, as 'sleep_while_idle' is actually a flag for whether or not to call omap_sram_idle() at all. Even without CPUidle, WFI will still be attempted. Kevin > Signed-off-by: Rajendra Nayak <[email protected]> > --- > arch/arm/mach-omap2/pm-debug.c | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c > index 125f565..1e722a0 100644 > --- a/arch/arm/mach-omap2/pm-debug.c > +++ b/arch/arm/mach-omap2/pm-debug.c > @@ -569,6 +569,10 @@ static int option_get(void *data, u64 *val) > > *val = *option; > > +#ifndef CONFIG_CPU_IDLE > + if (option == &sleep_while_idle) > + pr_warn("CONFIG_CPU_IDLE is not enabled\n"); > +#endif > return 0; > } > > @@ -581,6 +585,11 @@ static int option_set(void *data, u64 val) > > *option = val; > > +#ifndef CONFIG_CPU_IDLE > + if (option == &sleep_while_idle) > + pr_warn("CONFIG_CPU_IDLE is not enabled\n"); > +#endif > + > if (option == &enable_off_mode) { > if (val) > omap_pm_enable_off_mode(); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
