isimodem: Add helper macro for version checking

diff --git a/drivers/isimodem/isiutil.h b/drivers/isimodem/isiutil.h
index 30e4ff7..fa14821 100644 (file)
--- a/drivers/isimodem/isiutil.h
+++ b/drivers/isimodem/isiutil.h
@@ -67,4 +67,8 @@ static inline struct isi_cb_data *isi_cb_data_new(void *user, void *cb,
 
 #define ALIGN4(val) (((val) + 3) & ~3)
 
+#define ISI_VERSION_AT_LEAST(ver,maj,min)                              \
+       ((ver) != NULL && ((ver)->major > (maj) ||                      \
+               ((ver)->major == (maj) && (ver)->minor >= (min))))
+
 #endif /* !__ISIMODEM_UTIL_H */