This function has no user in my tree. It looks like it belongs to
net2280 but it somehow morphed into the dummy_hcd. So I remove it
before it spreads into more drivers.
After some digging I figured out that the only user was removed in
|commit 9079e91b5b5a84836e65cdc9128d2602e3beaef2
|Author: David Brownell <david-b@xxxxxxxxxxx>
|Date: Wed May 7 16:00:36 2008 -0700
|
| USB: serial gadget: cleanup/reorg
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
drivers/usb/gadget/dummy_hcd.c | 10 -------
drivers/usb/gadget/net2280.c | 56 ----------------------------------------
2 files changed, 0 insertions(+), 66 deletions(-)
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 0bdc035..f243649 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -976,16 +976,6 @@ static int dummy_udc_stop(struct usb_gadget_driver *driver)
#undef is_enabled
-/* just declare this in any driver that really need it */
-extern int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode);
-
-int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode)
-{
- return -ENOSYS;
-}
-EXPORT_SYMBOL (net2280_set_fifo_mode);
-
-
/* The gadget structure is stored inside the hcd structure and will be
* released along with it. */
static void
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 1e6ea6f..3dd40b4 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -1744,62 +1744,6 @@ static void set_fifo_mode (struct net2280 *dev, int mode)
list_add_tail (&dev->ep [6].ep.ep_list, &dev->gadget.ep_list);
}
-/* just declare this in any driver that really need it */
-extern int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode);
-
-/**
- * net2280_set_fifo_mode - change allocation of fifo buffers
- * @gadget: access to the net2280 device that will be updated
- * @mode: 0 for default, four 1kB buffers (ep-a through ep-d);
- * 1 for two 2kB buffers (ep-a and ep-b only);
- * 2 for one 2kB buffer (ep-a) and two 1kB ones (ep-b, ep-c).
- *
- * returns zero on success, else negative errno. when this succeeds,
- * the contents of gadget->ep_list may have changed.
- *
- * you may only call this function when endpoints a-d are all disabled.
- * use it whenever extra hardware buffering can help performance, such
- * as before enabling "high bandwidth" interrupt endpoints that use
- * maxpacket bigger than 512 (when double buffering would otherwise
- * be unavailable).
- */
-int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode)
-{
- int i;
- struct net2280 *dev;
- int status = 0;
- unsigned long flags;
-
- if (!gadget)
- return -ENODEV;
- dev = container_of (gadget, struct net2280, gadget);
-
- spin_lock_irqsave (&dev->lock, flags);
-
- for (i = 1; i <= 4; i++)
- if (dev->ep [i].desc) {
- status = -EINVAL;
- break;
- }
- if (mode < 0 || mode > 2)
- status = -EINVAL;
- if (status == 0)
- set_fifo_mode (dev, mode);
- spin_unlock_irqrestore (&dev->lock, flags);
-
- if (status == 0) {
- if (mode == 1)
- DEBUG (dev, "fifo: ep-a 2K, ep-b 2K\n");
- else if (mode == 2)
- DEBUG (dev, "fifo: ep-a 2K, ep-b 1K, ep-c 1K\n");
- /* else all are 1K */
- }
- return status;
-}
-EXPORT_SYMBOL (net2280_set_fifo_mode);
-
-/*-------------------------------------------------------------------------*/
-
/* keeping it simple:
* - one bus driver, initted first;
* - one function driver, initted second
--
1.7.4.4
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
