On Mon, Nov 17, 2014 at 10:46:25AM +0100, Oliver Neukum wrote: >On Mon, 2014-11-17 at 13:51 +0800, Wang, Yu wrote: >> Hi Roger, >> >> I saw one old thread about your patch for wakeup IRQ support in USB >> core. We need it for Intel platform. And it is work well on intel >> platform. >> >> May I know why this patch haven't get merged so far? I saw everything >> was smooth during the discussion, and you had already fixed all comments >> from Alan. But somehow the discussion is stop. >> >> Old thread link: >> http://lkml.iu.edu//hypermail/linux/kernel/1307.1/01392.html > >Maybe this is just me, but this looks hackish. Why not clear >the IRQ and queue a work resuming the HC and calling the handler?
The controller is in suspended state which is power gated. How to access its registers? We have to resume it first before clear IRQ. Thanks Yu > > Regards > Oliver > > >-- >To unsubscribe from this list: send the line "unsubscribe linux-usb" in >the body of a message to majord...@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
