Arjan van de Ven wrote: > On Sun, 15 Nov 2009 03:27:33 -0500 > Jeff Garzik <jgarzik@xxxxxxxxx> wrote: > >> What little there is of driver-specific behavior can be handled from >> existing callbacks (->enable_pm) or by creating a driver-specific >> function that calls a generic function (eg. ahci_alpm_set_accounting >> could call ata_alpm_set_accounting, before twiddling AHCI's >> PORT_IRQ_MASK). > > the whole concept of needing that accounting flag is AHCI specific; > if ever any of the other chip drivers goes to do ALPM, it'll be using > explicit software control, which doesn't need this kind of enable flag; > The only reason there is an enable flag is that the hw based accounting > is resulting in extra interrupts that you don't want except when you > want the accounting (read: powertop is running) There's DIPM. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
