diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2011-06-16 20:37:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-01 14:31:08 -0700 |
| commit | 4baa74fe32f330d464d59a00d01980fd16a15ecc (patch) | |
| tree | ca94f0dac9e1ec0bb390944e920b4cdd53e588cd /drivers | |
| parent | d8a14a85c72faf1bdcbbc12255361aaa9cb79ff5 (diff) | |
usb: gadget: remove net2280_set_fifo_mode()
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@pacbell.net>
|Date: Wed May 7 16:00:36 2008 -0700
|
| USB: serial gadget: cleanup/reorg
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 10 | ||||
| -rw-r--r-- | 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 865faf0932a..6d189e1b571 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 1e6ea6f2650..3dd40b4e675 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 |