Greg:
This patch makes the dummy_hcd driver use emulated root-hub interrupts
instead of polling. It's in the spirit of similar changes being made to
the other HCDs.
Alan Stern
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
Index: usb-2.6/drivers/usb/gadget/dummy_hcd.c
===================================================================
--- usb-2.6.orig/drivers/usb/gadget/dummy_hcd.c
+++ usb-2.6/drivers/usb/gadget/dummy_hcd.c
@@ -684,6 +684,7 @@ static int dummy_wakeup (struct usb_gadg
/* hub notices our request, issues downstream resume, etc */
dum->resuming = 1;
dum->re_timeout = jiffies + msecs_to_jiffies(20);
+ mod_timer (&dummy_to_hcd (dum)->rh_timer, dum->re_timeout);
return 0;
}
@@ -709,6 +710,8 @@ static int dummy_pullup (struct usb_gadg
dum->pullup = (value != 0);
set_link_state (dum);
spin_unlock_irqrestore (&dum->lock, flags);
+
+ usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
@@ -811,6 +814,8 @@ usb_gadget_register_driver (struct usb_g
dum->pullup = 1;
set_link_state (dum);
spin_unlock_irq (&dum->lock);
+
+ usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
EXPORT_SYMBOL (usb_gadget_register_driver);
@@ -845,6 +850,7 @@ usb_gadget_unregister_driver (struct usb
set_link_state (dum);
spin_unlock_irqrestore (&dum->lock, flags);
+ usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
EXPORT_SYMBOL (usb_gadget_unregister_driver);
@@ -1669,6 +1675,9 @@ static int dummy_hub_control (
retval = -EPIPE;
}
spin_unlock_irqrestore (&dum->lock, flags);
+
+ if ((dum->port_status & PORT_C_MASK) != 0)
+ usb_hcd_poll_rh_status (hcd);
return retval;
}
@@ -1745,6 +1754,7 @@ static int dummy_start (struct usb_hcd *
/* only show a low-power port: just 8mA */
hcd->power_budget = 8;
hcd->state = HC_STATE_RUNNING;
+ hcd->uses_new_polling = 1;
#ifdef CONFIG_USB_OTG
hcd->self.otg_port = 1;
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