From: Kevin Hilman <khilman@deeprootsystems.com>
To: "Premi, Sanjeev" <premi@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"Nayak, Rajendra" <rnayak@ti.com>
Subject: Re: PM branch rebased to 2.6.29... for real this time
Date: Wed, 01 Apr 2009 11:46:31 -0700 [thread overview]
Message-ID: <87bprgjjp4.fsf@deeprootsystems.com> (raw)
In-Reply-To: <B85A65D85D7EB246BE421B3FB0FBB59301CC5F069A@dbde02.ent.ti.com> (Sanjeev Premi's message of "Wed\, 1 Apr 2009 12\:48\:29 +0530")
"Premi, Sanjeev" <premi@ti.com> writes:
[...]
>> Sounds to me like CPUfreq is changing frequencies during bootup. Did
>> you select ondemand as the default CPUfreq governor?
>
> [sp] Yes. This is what I feel too. Only I was not clear why the process
> gets stuck at WFI. Haven't been able to debug further. So far...
>
>> If so, can you try with performance as the default governor.
>
> [sp] It was performance governor only.
>
>> If you're already using performance, then u-boot is setting a slower
>> speed and CPUfreq may decide to change it during boot.
>
> [sp] That is the case.
>
Can you try setting the default governor to userspace so that no DVFS
changes will happen during boot?
Kevin
next prev parent reply other threads:[~2009-04-01 18:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 22:55 PM branch rebased to 2.6.29... for real this time Kevin Hilman
2009-03-31 14:55 ` Premi, Sanjeev
2009-04-01 5:11 ` Kevin Hilman
2009-04-01 7:18 ` Premi, Sanjeev
2009-04-01 18:46 ` Kevin Hilman [this message]
2009-04-02 3:58 ` Kim Kyuwon
2009-04-02 16:06 ` Kevin Hilman
2009-04-03 5:21 ` Nayak, Rajendra
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