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/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index f4690ff..98cbc06 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -985,12 +985,18 @@
return 0;
}
+static int at91_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int at91_stop(struct usb_gadget_driver *driver);
+
static const struct usb_gadget_ops at91_udc_ops = {
.get_frame = at91_get_frame,
.wakeup = at91_wakeup,
.set_selfpowered = at91_set_selfpowered,
.vbus_session = at91_vbus_session,
.pullup = at91_pullup,
+ .start = at91_start,
+ .stop = at91_stop,
/*
* VBUS-powered devices may also also want to support bigger
@@ -1628,7 +1634,7 @@
schedule_work(&udc->vbus_timer_work);
}
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int at91_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct at91_udc *udc = &controller;
@@ -1672,9 +1678,8 @@
DBG("bound to %s\n", driver->driver.name);
return 0;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
+static int at91_stop(struct usb_gadget_driver *driver)
{
struct at91_udc *udc = &controller;
unsigned long flags;
@@ -1696,7 +1701,6 @@
DBG("unbound from %s\n", driver->driver.name);
return 0;
}
-EXPORT_SYMBOL (usb_gadget_unregister_driver);
/*-------------------------------------------------------------------------*/
@@ -1854,13 +1858,18 @@
DBG("no VBUS detection, assuming always-on\n");
udc->vbus = 1;
}
+ retval = usb_add_gadget_udc(dev, &udc->gadget);
+ if (retval)
+ goto fail4;
dev_set_drvdata(dev, udc);
device_init_wakeup(dev, 1);
create_debug_file(udc);
INFO("%s version %s\n", driver_name, DRIVER_VERSION);
return 0;
-
+fail4:
+ if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled)
+ free_irq(udc->board.vbus_pin, udc);
fail3:
if (udc->board.vbus_pin > 0)
gpio_free(udc->board.vbus_pin);
@@ -1887,6 +1896,7 @@
DBG("remove\n");
+ usb_del_gadget_udc(&udc->gadget);
if (udc->driver)
return -EBUSY;