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/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 82fd249..740c7da 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -1375,6 +1375,10 @@
return 0;
}
+static int omap_udc_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int omap_udc_stop(struct usb_gadget_driver *driver);
+
static struct usb_gadget_ops omap_gadget_ops = {
.get_frame = omap_get_frame,
.wakeup = omap_wakeup,
@@ -1382,6 +1386,8 @@
.vbus_session = omap_vbus_session,
.vbus_draw = omap_vbus_draw,
.pullup = omap_pullup,
+ .start = omap_udc_start,
+ .stop = omap_udc_stop,
};
/*-------------------------------------------------------------------------*/
@@ -2102,7 +2108,7 @@
);
}
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int omap_udc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
int status = -ENODEV;
@@ -2186,9 +2192,8 @@
omap_udc_enable_clock(0);
return status;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
+static int omap_udc_stop(struct usb_gadget_driver *driver)
{
unsigned long flags;
int status = -ENODEV;
@@ -2222,8 +2227,6 @@
DBG("unregistered driver '%s'\n", driver->driver.name);
return status;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
-
/*-------------------------------------------------------------------------*/
@@ -2991,9 +2994,16 @@
create_proc_file();
status = device_add(&udc->gadget.dev);
+ if (status)
+ goto cleanup4;
+
+ status = usb_add_gadget_udc(&pdev->dev, &udc->gadget);
if (!status)
return status;
/* If fail, fall through */
+cleanup4:
+ remove_proc_file();
+
#ifdef USE_ISO
cleanup3:
free_irq(pdev->resource[2].start, udc);
@@ -3029,6 +3039,8 @@
if (!udc)
return -ENODEV;
+
+ usb_del_gadget_udc(&udc->gadget);
if (udc->driver)
return -EBUSY;