On Tue, 17 Aug 2010, Andiry Xu wrote: > >From fb54a4791208d08d42c1bae8f58b2657301a1143 Mon Sep 17 00:00:00 2001 > From: Andiry Xu <andiry.xu@xxxxxxx> > Date: Mon, 16 Aug 2010 15:52:18 +0800 > Subject: [PATCH 1/2] xHCI: change xhci_reset_device() to allocate new device > > Rename xhci_reset_device() to xhci_discover_or_reset_device(). > If xhci_discover_or_reset_device() is called to reset a device which does > not exist, it calls xhci_alloc_dev() to re-allocate the device. > > This would prevent the reset device failure, possibly due to the xHC restore > error during S3/S4 resume. Note this change would affect xhci_address_device() > behavior: udev->config exists, but the device is actually not configured yet. > Add a flag in struct xhci_virt_device to indicate its actual state. Hmmm. This means that the place where the alloc_dev method gets called in core/usb.c:usb_alloc_dev() is now redundant. Do you think it should get removed? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
