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Diffstat (limited to 'payloads/libpayload/include/usb')
-rw-r--r--payloads/libpayload/include/usb/usb.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/payloads/libpayload/include/usb/usb.h b/payloads/libpayload/include/usb/usb.h
index 27af9bc3a0..17eca01bd1 100644
--- a/payloads/libpayload/include/usb/usb.h
+++ b/payloads/libpayload/include/usb/usb.h
@@ -253,10 +253,14 @@ int usb_interface_check(u16 vendor, u16 device);
#define USB_QUIRK_TEST (1 << 31)
#define USB_QUIRK_NONE 0
+static inline void usb_debug(const char *fmt, ...)
+{
#ifdef USB_DEBUG
-# define debug(fmt, ...) printf(fmt, ##__VA_ARGS__)
-#else
-# define debug(fmt, ...) while (0) { printf(fmt, ##__VA_ARGS__); }
+ va_list ap;
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
#endif
+}
#endif