isimodem: Add helper macro for 32bit alignment

diff --git a/drivers/isimodem/isiutil.h b/drivers/isimodem/isiutil.h
index e0c9bf2..30e4ff7 100644 (file)
--- a/drivers/isimodem/isiutil.h
+++ b/drivers/isimodem/isiutil.h
@@ -65,4 +65,6 @@ static inline struct isi_cb_data *isi_cb_data_new(void *user, void *cb,
                g_isi_msg_version_major((msg)),                 \
                g_isi_msg_version_minor((msg)));
 
+#define ALIGN4(val) (((val) + 3) & ~3)
+
 #endif /* !__ISIMODEM_UTIL_H */