lkml.org 
[lkml]   [2010]   [Jan]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] pm_qos: Add QoS param, minimum system bus frequency
On Mon, Jan 04, 2010 at 01:38:52PM -0800, mark gross wrote:

> Also, on your platform you have a throttling driver controlling the
> frequency of some bus, that will use this value as a constraint on how
> far it will throttle. no? I would be interested in seeing this driver
> sometime. (I just want to make sure no one bastardizes pm_qos into an
> operating point thing. I'm not sure I can justify why but I want to
> avoid that.)

We're part of a system with several other devices. Our driver
just passes the frequency on as our voted minimum.

Look for PM_QOS_SYSTEM_BUS_FREQ in the file:

https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm.git;a=blob;f=arch/arm/mach-msm/clock.c;h=3a22b5abb8e8acf876367dc6c013fe507af9c0ac;hb=287d333b03df8faafd3a480abc8e121110870839

http://tinyurl.com/ye7eg33

David


\
 
 \ /
  Last update: 2010-01-05 00:21    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site