usb: gadget: convert all users to the new udc infrastructure
peripheral drivers are using usb_add_gadget()/usb_del_gadget() to
register/unregister to the udc-core.
The udc-core will take the first available gadget driver and attach
function driver which is calling usb_gadget_register_driver(). This is
the same behaviour we have right now.
Only dummy_hcd was tested, the others were compiled tested.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Anton Tikhomirov <av.tikhomirov@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Cc: Roy Huang <roy.huang@analog.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Cc: Xiaochen Shen <xiaochen.shen@intel.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Cc: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Cc: cxie4 <cxie4@marvell.com>
Cc: linux-geode@lists.infradead.org
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>
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 7745454..e4e59b4 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -1011,12 +1011,18 @@
return -EOPNOTSUPP;
}
+static int pxa25x_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int pxa25x_stop(struct usb_gadget_driver *driver);
+
static const struct usb_gadget_ops pxa25x_udc_ops = {
.get_frame = pxa25x_udc_get_frame,
.wakeup = pxa25x_udc_wakeup,
.vbus_session = pxa25x_udc_vbus_session,
.pullup = pxa25x_udc_pullup,
.vbus_draw = pxa25x_udc_vbus_draw,
+ .start = pxa25x_start,
+ .stop = pxa25x_stop,
};
/*-------------------------------------------------------------------------*/
@@ -1263,7 +1269,7 @@
* disconnect is reported. then a host may connect again, or
* the driver might get unbound.
*/
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int pxa25x_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct pxa25x_udc *dev = the_controller;
@@ -1322,7 +1328,6 @@
bind_fail:
return retval;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
static void
stop_activity(struct pxa25x_udc *dev, struct usb_gadget_driver *driver)
@@ -1351,7 +1356,7 @@
udc_reinit(dev);
}
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int pxa25x_stop(struct usb_gadget_driver *driver)
{
struct pxa25x_udc *dev = the_controller;
@@ -1379,8 +1384,6 @@
dump_state(dev);
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
-
/*-------------------------------------------------------------------------*/
@@ -2231,8 +2234,11 @@
#endif
create_debug_files(dev);
- return 0;
+ retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget);
+ if (!retval)
+ return retval;
+ remove_debug_files(dev);
#ifdef CONFIG_ARCH_LUBBOCK
lubbock_fail0:
free_irq(LUBBOCK_USB_DISC_IRQ, dev);
@@ -2261,6 +2267,7 @@
{
struct pxa25x_udc *dev = platform_get_drvdata(pdev);
+ usb_del_gadget_udc(&dev->gadget);
if (dev->driver)
return -EBUSY;