Re: [PATCH 1/4] arm: omap: hwmod: 43xx: add DebugSS hwmod data

[Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>]

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On Tue, Jan 27, 2015 at 11:15:32AM -0600, Felipe Balbi wrote:
> On Tue, Jan 27, 2015 at 05:12:05PM +0000, Paul Walmsley wrote:
> > Hi
> > 
> > On Tue, 27 Jan 2015, Felipe Balbi wrote:
> > 
> > > On Mon, Jan 26, 2015 at 01:49:33PM -0600, Felipe Balbi wrote:
> > > > On Mon, Jan 26, 2015 at 10:56:40AM -0600, Felipe Balbi wrote:
> > > >
> > > > > hm... modulemode SWCTRL causes wait_target_ready to fail. Any hints ?
> > > > 
> > > > gets stuck in transition state. PRCM_CM_WKUP_DBGSS_CLKCTRL is always
> > > > read as 0x 12510f00 which would translate into:
> > > > 
> > > > - module disabled
> > > > - all opt clocks are on
> > > > - module is transitioning
> > > > - module in standby
> > > > - clkA as TPIU and STM trace clock
> > > > - all dividers set to 2
> > > 
> > > just fyi, checking with HW folks, this might be a new bug, unless
> > > debugss needs something special.
> > 
> > If that happens on DEBUGSS disable, it's probably the same issue as on 
> > AM33xx:
> > 
> > http://www.spinics.net/lists/arm-kernel/msg320801.html
> > http://www.spinics.net/lists/arm-kernel/msg321930.html
> > http://www.spinics.net/lists/arm-kernel/msg329151.html
> > 
> > Does adding HWMOD_INIT_NO_IDLE fix the issue you're seeing?
> 
> I'll try it out in a bit...

nope, same thing.

[   27.633235] omap_hwmod: debugss: _wait_target_disable failed

-- 
balbi

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