--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/ath/carl9170/phy.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/ath/carl9170/phy.c	2021-02-04 17:41:59.000000000 +0000
@@ -994,7 +994,7 @@
 			refsel0 = 0;
 			refsel1 = 1;
 		}
-		chansel = byte_rev_table[chansel];
+		chansel = bitrev8(chansel);
 	} else {
 		if (freq == 2484) {
 			chansel = 10 + (freq - 2274) / 5;
@@ -1002,7 +1002,7 @@
 		} else
 			chansel = 16 + (freq - 2272) / 5;
 		chansel *= 4;
-		chansel = byte_rev_table[chansel];
+		chansel = bitrev8(chansel);
 	}
 
 	d1 =	chansel;
@@ -1139,7 +1139,6 @@
 
 	default:
 		return -EINVAL;
-		break;
 	}
 
 	for (; i >= 0; i--) {