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From: Kevin Hilman <khilman@deeprootsystems.com>
To: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Cc: linux-omap@vger.kernel.org
Subject: Re: [PATCH] Don't scale voltage in C1 state
Date: Tue, 27 Jan 2009 14:34:36 -0800	[thread overview]
Message-ID: <87mydcs7ib.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1231950755-8620-1-git-send-email-peter.de-schrijver@nokia.com> (Peter De Schrijver's message of "Wed\, 14 Jan 2009 18\:32\:35 +0200")

"Peter 'p2' De Schrijver" <peter.de-schrijver@nokia.com> writes:

> This patch prevents VDD1 and VDD2 to go to the lowest OPP when entering C1.
> It improves wakeup latency from 600us to about 50us.
>
> Now with signoff :)
>
> Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>

Thanks, pushed to PM branch.

Kevin

> ---
>  arch/arm/mach-omap2/pm34xx.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
> index b0b2188..87ef55e 100644
> --- a/arch/arm/mach-omap2/pm34xx.c
> +++ b/arch/arm/mach-omap2/pm34xx.c
> @@ -1052,7 +1052,7 @@ static void __init configure_vc(void)
>  				OMAP3_PRM_VC_I2C_CFG_OFFSET);
>  
>  	/* Setup voltctrl and other setup times */
> -	prm_write_mod_reg(OMAP3430_AUTO_RET | OMAP3430_AUTO_SLEEP,
> +	prm_write_mod_reg(OMAP3430_AUTO_RET,
>  			  OMAP3430_GR_MOD, OMAP3_PRM_VOLTCTRL_OFFSET);
>  
>  	prm_write_mod_reg(OMAP3430_CLKSETUP_DURATION, OMAP3430_GR_MOD,
> -- 
> 1.5.6.3
>
> --
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  parent reply	other threads:[~2009-01-27 22:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-14 16:32 [PATCH] Don't scale voltage in C1 state Peter 'p2' De Schrijver
2009-01-14 22:33 ` Kevin Hilman
2009-01-27 22:34 ` Kevin Hilman [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-01-14 16:06 Peter 'p2' De Schrijver

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