usb: gadget: only GPL drivers in the gadget and phy framework

We only support GPL drivers in the USB Gadget Framework,
it sounds correct to make all exported symbols GPL too.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index d822d82..4c36694 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -760,7 +760,7 @@
 	return rndis_indicate_status_msg(configNr,
 					  RNDIS_STATUS_MEDIA_CONNECT);
 }
-EXPORT_SYMBOL(rndis_signal_connect);
+EXPORT_SYMBOL_GPL(rndis_signal_connect);
 
 int rndis_signal_disconnect(int configNr)
 {
@@ -769,7 +769,7 @@
 	return rndis_indicate_status_msg(configNr,
 					  RNDIS_STATUS_MEDIA_DISCONNECT);
 }
-EXPORT_SYMBOL(rndis_signal_disconnect);
+EXPORT_SYMBOL_GPL(rndis_signal_disconnect);
 
 void rndis_uninit(int configNr)
 {
@@ -784,13 +784,13 @@
 	while ((buf = rndis_get_next_response(configNr, &length)))
 		rndis_free_response(configNr, buf);
 }
-EXPORT_SYMBOL(rndis_uninit);
+EXPORT_SYMBOL_GPL(rndis_uninit);
 
 void rndis_set_host_mac(int configNr, const u8 *addr)
 {
 	rndis_per_dev_params[configNr].host_mac = addr;
 }
-EXPORT_SYMBOL(rndis_set_host_mac);
+EXPORT_SYMBOL_GPL(rndis_set_host_mac);
 
 /*
  * Message Parser
@@ -873,7 +873,7 @@
 
 	return -ENOTSUPP;
 }
-EXPORT_SYMBOL(rndis_msg_parser);
+EXPORT_SYMBOL_GPL(rndis_msg_parser);
 
 int rndis_register(void (*resp_avail)(void *v), void *v)
 {
@@ -895,7 +895,7 @@
 
 	return -ENODEV;
 }
-EXPORT_SYMBOL(rndis_register);
+EXPORT_SYMBOL_GPL(rndis_register);
 
 void rndis_deregister(int configNr)
 {
@@ -904,7 +904,7 @@
 	if (configNr >= RNDIS_MAX_CONFIGS) return;
 	rndis_per_dev_params[configNr].used = 0;
 }
-EXPORT_SYMBOL(rndis_deregister);
+EXPORT_SYMBOL_GPL(rndis_deregister);
 
 int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter)
 {
@@ -918,7 +918,7 @@
 
 	return 0;
 }
-EXPORT_SYMBOL(rndis_set_param_dev);
+EXPORT_SYMBOL_GPL(rndis_set_param_dev);
 
 int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr)
 {
@@ -931,7 +931,7 @@
 
 	return 0;
 }
-EXPORT_SYMBOL(rndis_set_param_vendor);
+EXPORT_SYMBOL_GPL(rndis_set_param_vendor);
 
 int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed)
 {
@@ -943,7 +943,7 @@
 
 	return 0;
 }
-EXPORT_SYMBOL(rndis_set_param_medium);
+EXPORT_SYMBOL_GPL(rndis_set_param_medium);
 
 void rndis_add_hdr(struct sk_buff *skb)
 {
@@ -958,7 +958,7 @@
 	header->DataOffset = cpu_to_le32(36);
 	header->DataLength = cpu_to_le32(skb->len - sizeof(*header));
 }
-EXPORT_SYMBOL(rndis_add_hdr);
+EXPORT_SYMBOL_GPL(rndis_add_hdr);
 
 void rndis_free_response(int configNr, u8 *buf)
 {
@@ -975,7 +975,7 @@
 		}
 	}
 }
-EXPORT_SYMBOL(rndis_free_response);
+EXPORT_SYMBOL_GPL(rndis_free_response);
 
 u8 *rndis_get_next_response(int configNr, u32 *length)
 {
@@ -997,7 +997,7 @@
 
 	return NULL;
 }
-EXPORT_SYMBOL(rndis_get_next_response);
+EXPORT_SYMBOL_GPL(rndis_get_next_response);
 
 static rndis_resp_t *rndis_add_response(int configNr, u32 length)
 {
@@ -1041,7 +1041,7 @@
 	skb_queue_tail(list, skb);
 	return 0;
 }
-EXPORT_SYMBOL(rndis_rm_hdr);
+EXPORT_SYMBOL_GPL(rndis_rm_hdr);
 
 #ifdef CONFIG_USB_GADGET_DEBUG_FILES