lkml.org 
[lkml]   [2014]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v3] ARM: ls1021a: add gating clocks to IP blocks.
Date
> > > As the parent of the clocks registered by this function is "dummy" from
> > > what I see, what is the point of setting flag CLK_SET_RATE_PARENT then?
> > >
> > > > + CLK_IGNORE_UNUSED, reg, shift,
> > >
> > > Why flag CLK_IGNORE_UNUSED?
> > >
> >
> > As the SoC reference manual all the IP blocks will be enabled when powered
> up.
> > But the Linux OS will disable all the IP blocks' clocks as default without
> this.
> >
> > For now, this gate driver will only used for PM support of some IP blocks.
> For the
> > Others needed to be enabled as default.
>
> Ok, got it. I'm fine with the flag then, and we can remove it after all
> those client devices manage their clocks well.
>

Okay.

Thanks,

BRs
Xiubo


> Shawn




\
 
 \ /
  Last update: 2014-09-26 05:41    [W:0.051 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site