usb: gadget: printer: standardize printer_do_config

Follow the convention of distributing source code between
<something>_do_config() and <something>_bind_config().

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index c865833..494cd8a 100644 (file)
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -1170,7 +1170,8 @@ static struct usb_configuration printer_cfg_driver = {
        .bmAttributes           = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
 };
 
-static int __init printer_do_config(struct usb_configuration *c)
+static int f_printer_bind_config(struct usb_configuration *c, char *pnp_str,
+                                unsigned q_len)
 {
        struct usb_gadget       *gadget = c->cdev->gadget;
        struct printer_dev      *dev;
@@ -1180,8 +1181,6 @@ static int __init printer_do_config(struct usb_configuration *c)
        u32                     i;
        struct usb_request      *req;
 
-       usb_ep_autoconfig_reset(gadget);
-
        dev = &usb_printer_gadget;
 
        dev->function.name = shortname;
@@ -1219,21 +1218,13 @@ static int __init printer_do_config(struct usb_configuration *c)
                goto fail;
        }
 
-       if (iPNPstring)
-               strlcpy(&pnp_string[2], iPNPstring, (sizeof pnp_string)-2);
+       if (pnp_str)
+               strlcpy(&pnp_string[2], pnp_str, sizeof(pnp_string) - 2);
 
        len = strlen(pnp_string);
        pnp_string[0] = (len >> 8) & 0xFF;
        pnp_string[1] = len & 0xFF;
 
-       usb_gadget_set_selfpowered(gadget);
-
-       if (gadget_is_otg(gadget)) {
-               otg_descriptor.bmAttributes |= USB_OTG_HNP;
-               printer_cfg_driver.descriptors = otg_desc;
-               printer_cfg_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-       }
-
        spin_lock_init(&dev->lock);
        mutex_init(&dev->lock_printer_io);
        INIT_LIST_HEAD(&dev->tx_reqs_active);
@@ -1250,14 +1241,14 @@ static int __init printer_do_config(struct usb_configuration *c)
        dev->current_rx_buf = NULL;
 
        status = -ENOMEM;
-       for (i = 0; i < QLEN; i++) {
+       for (i = 0; i < q_len; i++) {
                req = printer_req_alloc(dev->in_ep, USB_BUFSIZE, GFP_KERNEL);
                if (!req)
                        goto fail;
                list_add(&req->list, &dev->tx_reqs);
        }
 
-       for (i = 0; i < QLEN; i++) {
+       for (i = 0; i < q_len; i++) {
                req = printer_req_alloc(dev->out_ep, USB_BUFSIZE, GFP_KERNEL);
                if (!req)
                        goto fail;
@@ -1276,6 +1267,24 @@ fail:
        return status;
 }
 
+static int __init printer_do_config(struct usb_configuration *c)
+{
+       struct usb_gadget       *gadget = c->cdev->gadget;
+
+       usb_ep_autoconfig_reset(gadget);
+
+       usb_gadget_set_selfpowered(gadget);
+
+       if (gadget_is_otg(gadget)) {
+               otg_descriptor.bmAttributes |= USB_OTG_HNP;
+               printer_cfg_driver.descriptors = otg_desc;
+               printer_cfg_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+       }
+
+       return f_printer_bind_config(c, iPNPstring, QLEN);
+
+}
+
 static int __init printer_bind(struct usb_composite_dev *cdev)
 {
        int ret;