Patchwork [v4,17/32] usb: add usb_wakeup() + wakeup callback to port ops

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Submitter Gerd Hoffmann
Date Jan. 12, 2011, 11:19 a.m.
Message ID <1294831214-4499-18-git-send-email-kraxel@redhat.com>
Download mbox | patch
Permalink /patch/78561/
State New
Headers show

Comments

Gerd Hoffmann - Jan. 12, 2011, 11:19 a.m.
Add wakeup callback to port ops for remote wakeup handling.
Also add a usb_wakeup() function for devices which want
trigger a remote wakeup.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb.c |    7 +++++++
 hw/usb.h |    2 ++
 2 files changed, 9 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/usb.c b/hw/usb.c
index 2eda86a..ba720b4 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -49,6 +49,13 @@  void usb_attach(USBPort *port, USBDevice *dev)
     }
 }
 
+void usb_wakeup(USBDevice *dev)
+{
+    if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) {
+        dev->port->ops->wakeup(dev);
+    }
+}
+
 /**********************/
 
 /* generic USB device helpers (you are not forced to use them when
diff --git a/hw/usb.h b/hw/usb.h
index 3744d19..250ec71 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -220,6 +220,7 @@  struct USBDeviceInfo {
 typedef struct USBPortOps {
     void (*attach)(USBPort *port);
     void (*detach)(USBPort *port);
+    void (*wakeup)(USBDevice *dev);
 } USBPortOps;
 
 /* USB port on which a device can be connected */
@@ -275,6 +276,7 @@  static inline void usb_cancel_packet(USBPacket * p)
 }
 
 void usb_attach(USBPort *port, USBDevice *dev);
+void usb_wakeup(USBDevice *dev);
 int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
 int set_usb_string(uint8_t *buf, const char *str);
 void usb_send_msg(USBDevice *dev, int msg);