On Wednesday 01 August 2007, Oliver Neukum wrote:
> Am Dienstag 31 Juli 2007 schrieb Alan Stern:
> > You assign dev->intf in both the usbnet framework driver and the
> > subdriver. Could the subdriver's assignment be removed?
>
> Here we go again.
>
> Regards
> Oliver
> Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
You know that drivers/net/usb patches go to the netdev list, right?
They merge through the network queue, not the USB queue.
This looks plausible to me, except
/* multi-line comments
* in the code
* should not end like this: */
/* do it like this, with
* nice clean line endings:
*/
> ---
>
> --- a/drivers/net/usb/asix.c 2007-07-30 14:18:38.000000000 +0200
> +++ b/drivers/net/usb/asix.c 2007-08-01 09:48:10.000000000 +0200
> @@ -1474,6 +1474,7 @@ static struct usb_driver asix_driver = {
> .suspend = usbnet_suspend,
> .resume = usbnet_resume,
> .disconnect = usbnet_disconnect,
> + .supports_autosuspend = 1,
> };
>
> static int __init asix_init(void)
> --- a/drivers/net/usb/usbnet.h 2007-07-30 14:23:08.000000000 +0200
> +++ b/drivers/net/usb/usbnet.h 2007-07-31 11:08:12.000000000 +0200
> @@ -28,6 +28,7 @@
> struct usbnet {
> /* housekeeping */
> struct usb_device *udev;
> + struct usb_interface *intf;
> struct driver_info *driver_info;
> const char *driver_name;
> wait_queue_head_t *wait;
> --- a/drivers/net/usb/usbnet.c 2007-07-30 14:27:40.000000000 +0200
> +++ b/drivers/net/usb/usbnet.c 2007-07-31 11:07:51.000000000 +0200
> @@ -590,6 +590,7 @@ static int usbnet_stop (struct net_devic
> dev->flags = 0;
> del_timer_sync (&dev->delay);
> tasklet_kill (&dev->bh);
> + usb_autopm_put_interface(dev->intf);
>
> return 0;
> }
> @@ -603,9 +604,19 @@ static int usbnet_stop (struct net_devic
> static int usbnet_open (struct net_device *net)
> {
> struct usbnet *dev = netdev_priv(net);
> - int retval = 0;
> + int retval;
> struct driver_info *info = dev->driver_info;
>
> + if ((retval = usb_autopm_get_interface(dev->intf)) < 0) {
> + if (netif_msg_ifup (dev))
> + devinfo (dev,
> + "resumption fail (%d) usbnet usb-%s-%s, %s",
> + retval,
> + dev->udev->bus->bus_name, dev->udev->devpath,
> + info->description);
> + goto done_nopm;
> + }
> +
> // put into "known safe" state
> if (info->reset && (retval = info->reset (dev)) < 0) {
> if (netif_msg_ifup (dev))
> @@ -659,7 +670,10 @@ static int usbnet_open (struct net_devic
>
> // delay posting reads until we're fully open
> tasklet_schedule (&dev->bh);
> + return retval;
> done:
> + usb_autopm_put_interface(dev->intf);
> +done_nopm:
> return retval;
> }
>
> @@ -1143,6 +1157,7 @@ usbnet_probe (struct usb_interface *udev
>
> dev = netdev_priv(net);
> dev->udev = xdev;
> + dev->intf = udev;
> dev->driver_info = info;
> dev->driver_name = name;
> dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
> @@ -1273,6 +1288,9 @@ int usbnet_suspend (struct usb_interface
> netif_device_detach (dev->net);
> (void) unlink_urbs (dev, &dev->rxq);
> (void) unlink_urbs (dev, &dev->txq);
> + /* reattach so runtime management can use and
> + * wake the device */
> + netif_device_attach (dev->net);
> }
> return 0;
> }
> @@ -1282,10 +1300,9 @@ int usbnet_resume (struct usb_interface
> {
> struct usbnet *dev = usb_get_intfdata(intf);
>
> - if (!--dev->suspend_count) {
> - netif_device_attach (dev->net);
> + if (!--dev->suspend_count)
> tasklet_schedule (&dev->bh);
> - }
> +
> return 0;
> }
> EXPORT_SYMBOL_GPL(usbnet_resume);
>
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