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/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index d5e3e1e..dc9f428 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -1133,7 +1133,7 @@
return IRQ_HANDLED;
}
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int s3c_hsudc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct s3c_hsudc *hsudc = the_controller;
@@ -1181,9 +1181,8 @@
return 0;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int s3c_hsudc_stop(struct usb_gadget_driver *driver)
{
struct s3c_hsudc *hsudc = the_controller;
unsigned long flags;
@@ -1210,7 +1209,6 @@
driver->driver.name);
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
static inline u32 s3c_hsudc_read_frameno(struct s3c_hsudc *hsudc)
{
@@ -1224,6 +1222,8 @@
static struct usb_gadget_ops s3c_hsudc_gadget_ops = {
.get_frame = s3c_hsudc_gadget_getframe,
+ .start = s3c_hsudc_start,
+ .stop = s3c_hsudc_stop,
};
static int s3c_hsudc_probe(struct platform_device *pdev)
@@ -1311,7 +1311,15 @@
disable_irq(hsudc->irq);
local_irq_enable();
+
+ ret = usb_add_gadget_udc(&pdev->dev, &hsudc->gadget);
+ if (ret)
+ goto err_add_udc;
+
return 0;
+err_add_udc:
+ clk_disable(hsudc->uclk);
+ clk_put(hsudc->uclk);
err_clk:
free_irq(hsudc->irq, hsudc);
err_irq: