From: Rajendra Nayak Date: Tue, 21 Sep 2010 14:28:30 +0000 (+0530) Subject: OMAP: hwmod: Enable module wakeup if in smartidle X-Git-Tag: firefly_0821_release~7613^2~3644^2~51^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9980ce53c97392a3dbdc9d1ac3e455d79b4167ed;p=firefly-linux-kernel-4.4.55.git OMAP: hwmod: Enable module wakeup if in smartidle If a module's OCP slave port is programmed to be in smartidle, its also necessary that they have module level wakeup enabled. Update _sysc_enable in hwmod framework to do this. The thread "[PATCH 7/8] : Hwmod api changes" archived here: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg34212.html has additional technical information on the rationale of this patch. Sergei Shtylyov identified an indentation problem with this patch - thanks, Sergei. Signed-off-by: Rajendra Nayak Signed-off-by: Partha Basak Signed-off-by: Benoît Cousson [paul@pwsan.com: revised patch description] Signed-off-by: Paul Walmsley Cc: Kevin Hilman Cc: Sergei Shtylyov --- diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index f320cfb911d5..d694067e6e9a 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -691,8 +691,6 @@ static void _sysc_enable(struct omap_hwmod *oh) _set_module_autoidle(oh, idlemode, &v); } - /* XXX OCP ENAWAKEUP bit? */ - /* * XXX The clock framework should handle this, by * calling into this code. But this must wait until the @@ -703,6 +701,10 @@ static void _sysc_enable(struct omap_hwmod *oh) _set_clockactivity(oh, oh->class->sysc->clockact, &v); _write_sysconfig(v, oh); + + /* If slave is in SMARTIDLE, also enable wakeup */ + if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) + _enable_wakeup(oh); } /**