usb: gadget: g_serial: split the three possible functions into three bind functions
This patch factors out the three possible functions into three possible
bind functions which are passed as an argument to usb_add_config(). This
will ease the step by step converting of the individual functions to the
new function registration method.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 44752f5..bc23905 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -129,19 +129,33 @@
/*-------------------------------------------------------------------------*/
-static int __init serial_bind_config(struct usb_configuration *c)
+static int __init serial_bind_acm_config(struct usb_configuration *c)
{
unsigned i;
int status = 0;
- for (i = 0; i < n_ports && status == 0; i++) {
- if (use_acm)
- status = acm_bind_config(c, i);
- else if (use_obex)
- status = obex_bind_config(c, i);
- else
- status = gser_bind_config(c, i);
- }
+ for (i = 0; i < n_ports && status == 0; i++)
+ status = acm_bind_config(c, i);
+ return status;
+}
+
+static int __init serial_bind_obex_config(struct usb_configuration *c)
+{
+ unsigned i;
+ int status = 0;
+
+ for (i = 0; i < n_ports && status == 0; i++)
+ status = obex_bind_config(c, i);
+ return status;
+}
+
+static int __init serial_bind_gser_config(struct usb_configuration *c)
+{
+ unsigned i;
+ int status = 0;
+
+ for (i = 0; i < n_ports && status == 0; i++)
+ status = gser_bind_config(c, i);
return status;
}
@@ -178,8 +192,15 @@
}
/* register our configuration */
- status = usb_add_config(cdev, &serial_config_driver,
- serial_bind_config);
+ if (use_acm)
+ status = usb_add_config(cdev, &serial_config_driver,
+ serial_bind_acm_config);
+ else if (use_obex)
+ status = usb_add_config(cdev, &serial_config_driver,
+ serial_bind_obex_config);
+ else
+ status = usb_add_config(cdev, &serial_config_driver,
+ serial_bind_gser_config);
if (status < 0)
goto fail;