1 files changed, 13 insertions, 15 deletions

diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index 99fd9a5667df..5d9aa81969b4 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -92,40 +92,38 @@ static struct s3c2410_udc_mach_info *udc_info;
 
 static uint32_t s3c2410_ticks = 0;
 
-static int dprintk(int level, const char *fmt, ...)
+__printf(2, 3)
+static void dprintk(int level, const char *fmt, ...)
 {
-        static char printk_buf[1024];
         static long prevticks;
         static int invocation;
+        struct va_format vaf;
         va_list args;
-        int len;
 
         if (level > USB_S3C2410_DEBUG_LEVEL)
-                return 0;
+                return;
+
+        va_start(args, fmt);
+
+        vaf.fmt = fmt;
+        vaf.va = &args;
 
         if (s3c2410_ticks != prevticks) {
                 prevticks = s3c2410_ticks;
                 invocation = 0;
         }
 
-        len = scnprintf(printk_buf,
-                        sizeof(printk_buf), "%1lu.%02d USB: ",
-                        prevticks, invocation++);
+        pr_debug("%1lu.%02d USB: %pV", prevticks, invocation++, &vaf);
 
-        va_start(args, fmt);
-        len = vscnprintf(printk_buf+len,
-                        sizeof(printk_buf)-len, fmt, args);
         va_end(args);
-
-        pr_debug("%s", printk_buf);
-        return len;
 }
 #else
-static int dprintk(int level, const char *fmt, ...)
+__printf(2, 3)
+static void dprintk(int level, const char *fmt, ...)
 {
-        return 0;
 }
 #endif
+
 static int s3c2410_udc_debugfs_seq_show(struct seq_file *m, void *p)
 {
         u32 addr_reg, pwr_reg, ep_int_reg, usb_int_reg;