From: Tony Lindgren <tony@atomide.com>
To: "Woodruff, Richard" <r-woodruff2@ti.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: [PATCH] ARM: OMAP: Update PRCM rate-table entries for 2430
Date: Thu, 1 Nov 2007 02:17:14 -0700 [thread overview]
Message-ID: <20071101091713.GE780@atomide.com> (raw)
In-Reply-To: <3B6D69C3A9EBCA4BA5DA60D913027429025C0596@dlee13.ent.ti.com>
* Woodruff, Richard <r-woodruff2@ti.com> [071030 12:52]:
> > On Behalf Of Kevin Hilman
> > Sent: Tuesday, October 30, 2007 6:35 AM
> > To: linux-omap-open-source@linux.omap.com
> > Subject: [PATCH] ARM: OMAP: Update PRCM rate-table entries for 2430
> >
> > [resend with minor build fix and updated description]
> >
> > Follow the lead of the TI kernels by removing PRCM #2 and adding PRCM
> > #3 and #4 to the rate-table entries. According to TI, having #2 and
> > #3 together is known to be a bad combination.
> >
> > Also, change the default divider values for the PRCM #5a setting to
> > match those of the TI kernel. Using the smallest divider possible can
> > give significant power savings when using the data-driven idle modes.
> >
> > Signed-off-by: Kevin Hilman <khilman@mvista.com>
>
> Using the lowest N value gives the best power savings. It might be we need to think a bit on how better to sort table rates. The MPU index is not unique enough. Could be per-board or something more cleaver.
Pushing this today.
Tony
prev parent reply other threads:[~2007-11-01 9:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-30 11:34 [PATCH] ARM: OMAP: Update PRCM rate-table entries for 2430 Kevin Hilman
2007-10-30 19:50 ` Woodruff, Richard
2007-11-01 9:17 ` Tony Lindgren [this message]
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