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OMAP: hwmod: Enable module wakeup if in smartidle

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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 <sshtylyov@mvista.com> identified an indentation
problem with this patch - thanks, Sergei.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Partha Basak <p-basak2@ti.com>
Signed-off-by: Benoît Cousson <b-cousson@ti.com>
[paul@pwsan.com: revised patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
This commit is contained in:
Rajendra Nayak 2010-09-21 19:58:30 +05:30 committed by Paul Walmsley
parent 96835af970
commit 9980ce53c9
1 changed files with 4 additions and 2 deletions
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6
arch/arm/mach-omap2/omap_hwmod.c
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@ -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);
}
/**