linux-kernel - Re: [PATCH] PM: Introduce PM_EVENT_HIBERNATE (was: Re: i915 hibernation patch (was: Re: 2.6.25-rc2 System no longer ...))

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Date:	Sun, 24 Feb 2008 12:25:20 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Mirco Tischler <mt-ml@....de>
Cc:	Jeff Chua <jeff.chua.linux@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jesse.barnes@...el.com>,
	Romano Giannetti <romano@....icai.upcomillas.es>,
	Dave Airlie <airlied@...ux.ie>, Greg KH <gregkh@...e.de>,
	lkml <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Pavel Machek <pavel@....cz>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] PM: Introduce PM_EVENT_HIBERNATE (was: Re: i915 hibernation patch (was: Re: 2.6.25-rc2 System no longer ...))

On Sunday, 24 of February 2008, Rafael J. Wysocki wrote:
> On Sunday, 24 of February 2008, Mirco Tischler wrote:
> > 
> > On Sa, 2008-02-23 at 19:13 +0100, Rafael J. Wysocki wrote:
> > > Index: linux-2.6/drivers/usb/host/u132-hcd.c
> > > ===================================================================
> > > --- linux-2.6.orig/drivers/usb/host/u132-hcd.c
> > > +++ linux-2.6/drivers/usb/host/u132-hcd.c
> > > @@ -3214,14 +3214,19 @@ static int u132_suspend(struct platform_
> > >                  return -ESHUTDOWN;
> > >          } else {
> > >                  int retval = 0;
> > > -                if (state.event == PM_EVENT_FREEZE) {
> > > +
> > > +		switch (state.event) {
> > > +		case PM_EVENT_FREEZE:
> > >                          retval = u132_bus_suspend(hcd);
> > > -                } else if (state.event == PM_EVENT_SUSPEND) {
> > > +			break;
> > > +		case PM_EVENT_SUSPEND:
> > > +		case PM_EVENT_HIBERNATE:
> > >                          int ports = MAX_U132_PORTS;
> > >                          while (ports-- > 0) {
> > >                                  port_power(u132, ports, 0);
> > >                          }
> > > -                }
> > > +			break;
> > > +		}
> > >                  if (retval == 0)
> > >                          pdev->dev.power.power_state = state;
> > >                  return retval;
> > Hmm. Doesn't compile for me in 2.6.25-rc2-git7:
> > 
> >   CC [M]  drivers/usb/host/u132-hcd.o
> > drivers/usb/host/u132-hcd.c: In function ‘u132_suspend’:
> > drivers/usb/host/u132-hcd.c:3224: error: expected expression before
> > ‘int’
> > drivers/usb/host/u132-hcd.c:3225: error: ‘ports’ undeclared (first use
> > in this function)
> > drivers/usb/host/u132-hcd.c:3225: error: (Each undeclared identifier is
> > reported only once
> > drivers/usb/host/u132-hcd.c:3225: error: for each function it appears
> > in.)
> > make[3]: *** [drivers/usb/host/u132-hcd.o] Error 1
> > make[2]: *** [drivers/usb/host] Error 2
> > make[1]: *** [drivers/usb] Error 2
> > make: *** [drivers] Error 2
> > 
> > This fixes it:
> > 
> > Thanks
> > Mirco
> > 
> > ---
> > From: Mirco Tischler <mt-ml@....de>
> > 
> > Fixes the following compile error caused by commit
> > 3a2d5b700132f35401f1d9e22fe3c2cab02c2549

Ah, I see it's merged already.

Thanks for the fix, btw! :-)

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