[PATCH] usb: musb: add printf attribute to log function

[trix]

From: Tom Rix <trix@xxxxxxxxxx>

Attributing the function allows the compiler to more thoroughly
check the use of the function with -Wformat and similar flags.

Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
 drivers/usb/musb/musb_debug.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h
index e5b3506c7b3f..dfc0d02695fa 100644
--- a/drivers/usb/musb/musb_debug.h
+++ b/drivers/usb/musb/musb_debug.h
@@ -17,6 +17,7 @@
 #define INFO(fmt, args...) yprintk(KERN_INFO, fmt, ## args)
 #define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args)
 
+__printf(2, 3)
 void musb_dbg(struct musb *musb, const char *fmt, ...);
 
 #ifdef CONFIG_DEBUG_FS
-- 
2.27.0