On Saturday 21 March 2009, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rjw@xxxxxxx> > > The story in http://bugzilla.kernel.org/show_bug.cgi?id=12846 shows > that setting the power state of a PCI device by > pci_raw_set_power_state() may sometimes fail. For this reason, > pci_raw_set_power_state() should not assume that the power state of > the device has actually changed after writing into its PMCSR. > Instead, it should read the value from there and use it to update > dev->current_state. It also is useful to print a warning if the > device's power state hasn't changed as expected. > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > --- OK, since the Ben's radeonfb fix for bug #12846 has been merged, I'd like to do something a bit different. Patch 1/2 introduces __pci_set_power_state() that will allow the radeonfb driver not to open code PCI PM operations. Patch 2/2 makes the driver use __pci_set_power_state(). Comments welcome. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
