On Sat, 24 Jun 2006, Linus Torvalds wrote: > /** > * device_suspend - Save state and stop all devices in system. > * @state: Power state to put each device in. > * > * Walk the dpm_active list, call ->suspend() for each device, and move > - * it to dpm_off. > - * Check the return value for each. If it returns 0, then we move the > - * the device to the dpm_off list. If it returns -EAGAIN, we move it to > - * the dpm_off_irq list. If we get a different error, try and back out. > + * it to the dpm_off list. > + * > + * (For historical reasons, if it returns -EAGAIN, that used to mean > + * that the device would be called again with interrupts enabled. --------------------------------------------------------------^ disabled. > + * These days, we use the "suspend_late()" callback for that, so we > + * print a warning and consider it an error). Alan Stern
