usb: gadget: phonet: move global dev variable to its user
cleanup patch only in preparation for configfs.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index b21ab55..f8df525 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -579,9 +579,8 @@
/*-------------------------------------------------------------------------*/
-static struct net_device *dev;
-
-int __init phonet_bind_config(struct usb_configuration *c)
+int __init phonet_bind_config(struct usb_configuration *c,
+ struct net_device *dev)
{
struct f_phonet *fp;
int err, size;
@@ -606,16 +605,16 @@
return err;
}
-int __init gphonet_setup(struct usb_gadget *gadget)
+struct net_device __init *gphonet_setup(struct usb_gadget *gadget)
{
+ struct net_device *dev;
struct phonet_port *port;
int err;
/* Create net device */
- BUG_ON(dev);
dev = alloc_netdev(sizeof(*port), "upnlink%d", pn_net_setup);
if (!dev)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
port = netdev_priv(dev);
spin_lock_init(&port->lock);
@@ -623,12 +622,15 @@
SET_NETDEV_DEV(dev, &gadget->dev);
err = register_netdev(dev);
- if (err)
+ if (err) {
free_netdev(dev);
- return err;
+
+ return ERR_PTR(err);
+ }
+ return dev;
}
-void gphonet_cleanup(void)
+void gphonet_cleanup(struct net_device *dev)
{
unregister_netdev(dev);
}
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
index a69e8bf..5650ece 100644
--- a/drivers/usb/gadget/nokia.c
+++ b/drivers/usb/gadget/nokia.c
@@ -106,6 +106,8 @@
static struct usb_function *f_obex1_cfg2;
static struct usb_function *f_obex2_cfg2;
static struct eth_dev *the_dev;
+static struct net_device *phonet_dev;
+
static struct usb_configuration nokia_config_500ma_driver = {
.label = "Bus Powered",
@@ -136,7 +138,7 @@
int obex1_stat = 0;
int obex2_stat = 0;
- status = phonet_bind_config(c);
+ status = phonet_bind_config(c, phonet_dev);
if (status)
pr_debug("could not bind phonet config\n");
@@ -211,9 +213,11 @@
struct usb_gadget *gadget = cdev->gadget;
int status;
- status = gphonet_setup(cdev->gadget);
- if (status < 0)
+ phonet_dev = gphonet_setup(cdev->gadget);
+ if (IS_ERR(phonet_dev)) {
+ status = PTR_ERR(phonet_dev);
goto err_phonet;
+ }
the_dev = gether_setup(cdev->gadget, dev_addr, host_addr, host_mac,
qmult);
@@ -278,7 +282,7 @@
err_usb:
gether_cleanup(the_dev);
err_ether:
- gphonet_cleanup();
+ gphonet_cleanup(phonet_dev);
err_phonet:
return status;
}
@@ -300,7 +304,7 @@
if (!IS_ERR(fi_obex2))
usb_put_function_instance(fi_obex2);
usb_put_function_instance(fi_acm);
- gphonet_cleanup();
+ gphonet_cleanup(phonet_dev);
gether_cleanup(the_dev);
diff --git a/drivers/usb/gadget/u_phonet.h b/drivers/usb/gadget/u_phonet.h
index 09a7525..459ee32 100644
--- a/drivers/usb/gadget/u_phonet.h
+++ b/drivers/usb/gadget/u_phonet.h
@@ -14,8 +14,8 @@
#include <linux/usb/composite.h>
#include <linux/usb/cdc.h>
-int gphonet_setup(struct usb_gadget *gadget);
-int phonet_bind_config(struct usb_configuration *c);
-void gphonet_cleanup(void);
+struct net_device *gphonet_setup(struct usb_gadget *gadget);
+int phonet_bind_config(struct usb_configuration *c, struct net_device *dev);
+void gphonet_cleanup(struct net_device *dev);
#endif /* __U_PHONET_H */