From b1c9b164c110bf03242e02448b12205107a1fdd6 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 23 Jun 2011 12:41:03 -0300 Subject: [RHEL6 qemu-kvm PATCH 030/115] usb: hub: remote wakeup support. RH-Author: Gerd Hoffmann Message-id: <1308832951-8995-28-git-send-email-kraxel@redhat.com> Patchwork-id: 27866 O-Subject: [RHEL-6.2 kvm PATCH 027/115] usb: hub: remote wakeup support. Bugzilla: 561414 632299 645351 711354 RH-Acked-by: Hans de Goede RH-Acked-by: Jes Sorensen RH-Acked-by: Paolo Bonzini RH-Acked-by: Kevin Wolf This patch makes the usb hub handle remote wakeup requests from devices properly by updating the port status register and forwarding the wakeup to the upstream port. Signed-off-by: Gerd Hoffmann (cherry picked from commit 34239c7bc972735391ca84283f8c8ad908dc61ef) --- hw/usb-hub.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) Signed-off-by: Eduardo Habkost --- hw/usb-hub.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/hw/usb-hub.c b/hw/usb-hub.c index 74b9ceb..431c08c 100644 --- a/hw/usb-hub.c +++ b/hw/usb-hub.c @@ -245,6 +245,17 @@ static void usb_hub_detach(USBPort *port1) } } +static void usb_hub_wakeup(USBDevice *dev) +{ + USBHubState *s = dev->port->opaque; + USBHubPort *port = &s->ports[dev->port->index]; + + if (port->wPortStatus & PORT_STAT_SUSPEND) { + port->wPortChange |= PORT_STAT_C_SUSPEND; + usb_wakeup(&s->dev); + } +} + static void usb_hub_handle_reset(USBDevice *dev) { /* XXX: do it */ @@ -502,6 +513,7 @@ static void usb_hub_handle_destroy(USBDevice *dev) static USBPortOps usb_hub_port_ops = { .attach = usb_hub_attach, .detach = usb_hub_detach, + .wakeup = usb_hub_wakeup, }; static int usb_hub_initfn(USBDevice *dev) -- 1.7.3.2