lkml.org 
[lkml]   [2011]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 07/18] dmaengine/amba-pl08x: Enable/Disable amba_pclk with channel requests
On Fri, Jul 29, 2011 at 04:19:17PM +0530, Viresh Kumar wrote:
> Amba devices have interface clocks attached as adev->pclk. This is the only
> clock associated with DMAC and it can be disabled when DMAC is not in use. This
> patch adds support to enable/disable this clk as and when channels are requested
> and freed. Also it disables this clock at the end of probe.

It may make better sense to convert this to runtime PM. I suspect
that there's core support which the amba/bus.c can do to help in that
respect (eg, managing the apb pclk itself) so that we don't have to
add the same code to every primecell driver.


\
 
 \ /
  Last update: 2011-07-30 14:11    [W:0.447 / U:0.416 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site