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| author | Alan Stern <stern@rowland.harvard.edu> | 2005-05-03 16:27:26 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-27 14:43:52 -0700 |
| commit | 685eb93f086eb15d9fb1e82c7400fd750f564640 (patch) | |
| tree | ded0db2402889ec30878c3dbbd08f7b5d01a694b /drivers/usb/gadget | |
| parent | f1c39fad7d1bbea31744138cd3a532ff346cd4ab (diff) | |
| download | op-kernel-dev-685eb93f086eb15d9fb1e82c7400fd750f564640.zip op-kernel-dev-685eb93f086eb15d9fb1e82c7400fd750f564640.tar.gz | |
[PATCH] USB dummy_hcd: Use root-hub interrupts instead of polling
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.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 2d6d229..73d2f24 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -684,6 +684,7 @@ static int dummy_wakeup (struct usb_gadget *_gadget) /* 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_gadget *_gadget, int value) 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_gadget_driver *driver) 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_gadget_driver *driver) 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 *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; |
