b43: use enum for firmware header format

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 4a5cac60..cc3dd80 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2514,6 +2514,10 @@
 	}
 	dev->fw.rev = fwrev;
 	dev->fw.patch = fwpatch;
+	if (dev->fw.rev >= 410)
+		dev->fw.hdr_format = B43_FW_HDR_410;
+	else
+		dev->fw.hdr_format = B43_FW_HDR_351;
 	dev->fw.opensource = (fwdate == 0xFFFF);
 
 	/* Default to use-all-queues. */
@@ -2561,7 +2565,7 @@
 			dev->fw.rev, dev->fw.patch);
 	wiphy->hw_version = dev->dev->core_id;
 
-	if (b43_is_old_txhdr_format(dev)) {
+	if (dev->fw.hdr_format == B43_FW_HDR_351) {
 		/* We're over the deadline, but we keep support for old fw
 		 * until it turns out to be in major conflict with something new. */
 		b43warn(dev->wl, "You are using an old firmware image. "