Santosh Shilimkar <santosh.shilimkar@xxxxxx> writes: >> -----Original Message----- >> From: Kevin Hilman [mailto:khilman@xxxxxx] >> Sent: Thursday, March 03, 2011 4:21 AM >> To: Santosh Shilimkar >> Cc: linux-omap@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >> Subject: Re: [PATCH 12/17] omap4: pm-debug: Add wakeup timer and >> debug counters >> >> Santosh Shilimkar <santosh.shilimkar@xxxxxx> writes: >> >> > This patch adds configurable wakeup timer support in suspend. Also >> > for statistics pm counter support is added. >> > >> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> >> > Reviewed-by: Kevin Hilman <khilman@xxxxxx> >> > --- >> > arch/arm/mach-omap2/omap4-mpuss-lowpower.c | 8 ++++++++ >> > arch/arm/mach-omap2/pm-debug.c | 6 ++++-- >> > arch/arm/mach-omap2/pm44xx.c | 5 +++++ >> > 3 files changed, 17 insertions(+), 2 deletions(-) >> > >> > diff --git a/arch/arm/mach-omap2/omap4-mpuss-lowpower.c >> b/arch/arm/mach-omap2/omap4-mpuss-lowpower.c >> > index ab2e101..5e0141e 100644 >> > --- a/arch/arm/mach-omap2/omap4-mpuss-lowpower.c >> > +++ b/arch/arm/mach-omap2/omap4-mpuss-lowpower.c >> > @@ -287,6 +287,10 @@ int omap4_enter_lowpower(unsigned int cpu, >> unsigned int power_state) >> > if (cpu) >> > goto cpu_prepare; >> > >> > +#ifdef CONFIG_PM_DEBUG >> > + pwrdm_pre_transition(); >> > +#endif >> >> Why the #ifdef? >> > Because these stats updates are quite expensive > in low power code and for the production kernel > you don't need this extra penalty. OK, then please fix this in the powerdomain code (or header.) c.f. "#ifdefs are ugly" section of Documentation/SubmittingPatches Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html