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[v4,1/4] USB : Add empty functions in otg.h

Message ID 1265110801-26986-1-git-send-email-x0082077@ti.com (mailing list archive)
State Accepted, archived
Commit c51701a4491c68a5e7f630dc966915468b39ba62
Delegated to: Tony Lindgren
Headers show

Commit Message

Maulik Mankad Feb. 2, 2010, 11:40 a.m. UTC 
None
diff mbox

Patch

Index: linux-2.6/include/linux/usb/otg.h
===================================================================
--- linux-2.6.orig/include/linux/usb/otg.h
+++ linux-2.6/include/linux/usb/otg.h
@@ -110,9 +110,19 @@  struct otg_transceiver {
 /* for board-specific init logic */
 extern int otg_set_transceiver(struct otg_transceiver *);
 
+#if defined(CONFIG_NOP_USB_XCEIV) || defined(CONFIG_NOP_USB_XCEIV_MODULE)
 /* sometimes transceivers are accessed only through e.g. ULPI */
 extern void usb_nop_xceiv_register(void);
 extern void usb_nop_xceiv_unregister(void);
+#else
+static inline void usb_nop_xceiv_register(void)
+{
+}
+
+static inline void usb_nop_xceiv_unregister(void)
+{
+}
+#endif
 
 /* helpers for direct access thru low-level io interface */
 static inline int otg_io_read(struct otg_transceiver *otg, u32 reg)