3 files changed, 9 insertions, 24 deletions

diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index 832641bbd47..bf8ac4c7164 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -274,8 +274,7 @@ static char *mem_to_hex(const char *mem, char *buf, const int count)
         }
         for (i = 0; i < count; i++) {
                 ch = *mem++;
-                *buf++ = highhex(ch);
-                *buf++ = lowhex(ch);
+                buf = pack_hex_byte(buf, ch);
         }
         *buf = 0;
         return (buf);
@@ -427,8 +426,8 @@ static void put_packet(char *buffer)
 
                 /* '#' Separator, put high and low components of checksum */
                 put_debug_char('#');
-                put_debug_char(highhex(checksum));
-                put_debug_char(lowhex(checksum));
+                put_debug_char(hex_asc_hi(checksum));
+                put_debug_char(hex_asc_lo(checksum));
         }
         while ((get_debug_char()) != '+');      /* While no ack */
 }
@@ -650,8 +649,8 @@ static void undo_single_step(void)
 static void send_signal_msg(const int signum)
 {
         out_buffer[0] = 'S';
-        out_buffer[1] = highhex(signum);
-        out_buffer[2] = lowhex(signum);
+        out_buffer[1] = hex_asc_hi(signum);
+        out_buffer[2] = hex_asc_lo(signum);
         out_buffer[3] = 0;
         put_packet(out_buffer);
 }
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8fdafc27fce..ce6ee92b3a1 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -184,15 +184,15 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
                         int h, l;
 
                         c = *p++;
-                        h = highhex(c);
-                        l = lowhex(c);
+                        h = hex_asc_hi(c);
+                        l = hex_asc_lo(c);
                         put_char(port, h);
                         put_char(port, l);
                         checksum += h + l;
                 }
                 put_char(port, '#');
-                put_char(port, highhex(checksum));
-                put_char(port, lowhex(checksum));
+                put_char(port, hex_asc_hi(checksum));
+                put_char(port, hex_asc_lo(checksum));
             } while  (get_char(port) != '+');
         } else
 #endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h
index 4bc8cb187d1..24e42078f36 100644
--- a/include/asm-sh/kgdb.h
+++ b/include/asm-sh/kgdb.h
@@ -66,18 +66,4 @@ extern int     setjmp(jmp_buf __jmpb);
 /* Forced breakpoint */
 #define breakpoint()    __asm__ __volatile__("trapa   #0x3c")
 
-/* Taken from sh-stub.c of GDB 4.18 */
-static const char hexchars[] = "0123456789abcdef";
-
-/* Get high hex bits */
-static inline char highhex(const int x)
-{
-        return hexchars[(x >> 4) & 0xf];
-}
-
-/* Get low hex bits */
-static inline char lowhex(const int x)
-{
-        return hexchars[x & 0xf];
-}
 #endif