usb: s3c-otg: Zap useless externs

The extern statements are useless, remove them. Also remove the
extern ... controller, which is completely useless.

Signed-off-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/usb/gadget/s3c_udc_otg_priv.h b/drivers/usb/gadget/s3c_udc_otg_priv.h
index cc10704..fb3a019 100644 (file)
--- a/drivers/usb/gadget/s3c_udc_otg_priv.h
+++ b/drivers/usb/gadget/s3c_udc_otg_priv.h
@@ -88,13 +88,11 @@ struct dwc2_udc {
        unsigned req_pending:1, req_std:1;
 };
 
-extern struct dwc2_udc *the_controller;
-
 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
 
-extern void otg_phy_init(struct dwc2_udc *dev);
-extern void otg_phy_off(struct dwc2_udc *dev);
+void otg_phy_init(struct dwc2_udc *dev);
+void otg_phy_off(struct dwc2_udc *dev);
 
 #endif /* __S3C_UDC_OTG_PRIV__ */

diff --git a/include/usb/s3c_udc.h b/include/usb/s3c_udc.h
index 67c3e91..20af629 100644 (file)
--- a/include/usb/s3c_udc.h
+++ b/include/usb/s3c_udc.h
@@ -20,6 +20,6 @@ struct s3c_plat_otg_data {
        unsigned int    usb_gusbcfg;
 };
 
-extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
+int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
 
 #endif