Messages in this thread | | | Date | Thu, 27 Nov 2003 12:22:45 -0800 | Subject | Re: APM Suspend Problem | From | Misha Nasledov <> |
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No luck; my ThinkPad still does not go into the proper power-saving mode. The LCD blanks out and the HD spins down, but it is not a real sleep mode.
On Thu, Nov 27, 2003 at 12:46:06PM +0100, Felipe Alfaro Solana wrote: > On Thu, 2003-11-27 at 07:20, Misha Nasledov wrote: > > Since about 2.6.0-test9, my ThinkPad T21 no longer suspends with APM. I had > > issues with it suspending before, I don't remember exactly what issues, but I > > know that it definitely worked in -test2. When I hit the key on my laptop to > > suspend, it will turn off the LCD and the HD will spin down, but the machine > > will not actually suspend. Here is what is printed out on the console when I > > hit the suspend key and then when I hit another key to "wake" it up: > > Could you please try the attached patch? It allows my system to suspend > and resume using APM flawlessly.
> --- 1.11/drivers/base/power/resume.c Mon Aug 25 11:08:21 2003 > +++ edited/drivers/base/power/resume.c Fri Oct 10 21:06:07 2003 > @@ -22,8 +22,17 @@ > > int resume_device(struct device * dev) > { > - if (dev->bus && dev->bus->resume) > - return dev->bus->resume(dev); > + if (dev->bus && dev->bus->resume) { > + int retval; > + > + /* drop lock so the call can use device_del() to clean up > + * after unplugged (or otherwise vanished) child devices > + */ > + up(&dpm_sem); > + retval = dev->bus->resume(dev); > + down(&dpm_sem); > + return retval; > + } > return 0; > }
-- Misha Nasledov misha@nasledov.com http://nasledov.com/misha/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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