diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index fa39410..2763ae0 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -119,7 +119,6 @@
 	} while (0)
 #define MAX_CONFIG_LEN		40
 
-static const char hexchars[] = "0123456789abcdef";
 static struct kgdb_io kgdbts_io_ops;
 static char get_buf[BUFMAX];
 static int get_buf_cnt;
@@ -619,8 +618,8 @@
 		count++;
 	}
 	strcat(get_buf, "#");
-	get_buf[count + 2] = hexchars[checksum >> 4];
-	get_buf[count + 3] = hexchars[checksum & 0xf];
+	get_buf[count + 2] = hex_asc_hi(checksum);
+	get_buf[count + 3] = hex_asc_lo(checksum);
 	get_buf[count + 4] = '\0';
 	v2printk("get%i: %s\n", ts.idx, get_buf);
 }