Re: [RFC] fix asus_hides_smbus_lpc_ich6() for resume

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On Friday, 14 of March 2008, Matthew Wilcox wrote:
> On Fri, Mar 14, 2008 at 03:34:34PM +0100, Rafael J. Wysocki wrote:
> > On Friday, 14 of March 2008, Matthew Wilcox wrote:
> > > On Thu, Mar 13, 2008 at 09:44:08PM -0700, Greg KH wrote:
> > > > And why "_later"?  What's wrong with the normal resume time?
> > > 
> > > He said:
> > > > asus_hides_smbus_lpc_ich6() is called with interrupt disabled in resume
> > > > time, but ioremap_nocache() and iounmap() can't be called with interrupt
> > > > disabled. Below is my debug fix. If you have better fix, please speak.
> > > 
> > > Maybe _resume is run too early and could be run later when interrupts
> > > are enabled?
> > 
> > That's what Shaohua is trying to achieve, AFAICS.
> 
> Shaohua is adding an extra class of resume_later fixups and moving this
> one to it.  I'm saying that maybe resume fixups should all be run later.

Yes, I thought about that too.

> But I haven't looked at the dependencies here.  That may not be possible.
 
Well, I'm not sure how to find out (reliably) who uses it.
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