powerpc: Use the common ascii hex helpers

[akpm@linux-foundation.org: exclude prom_init.c]
Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/btext.c

@@ -442,28 +442,26 @@ void btext_drawtext(const char *c, unsigned int len)
 
 void btext_drawhex(unsigned long v)
 {
-	char *hex_table = "0123456789abcdef";
-
 	if (!boot_text_mapped)
 		return;
 #ifdef CONFIG_PPC64
-	btext_drawchar(hex_table[(v >> 60) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 56) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 52) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 48) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 44) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 40) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 36) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 32) & 0x0000000FUL]);
+	btext_drawchar(hex_asc_hi(v >> 56));
+	btext_drawchar(hex_asc_lo(v >> 56));
+	btext_drawchar(hex_asc_hi(v >> 48));
+	btext_drawchar(hex_asc_lo(v >> 48));
+	btext_drawchar(hex_asc_hi(v >> 40));
+	btext_drawchar(hex_asc_lo(v >> 40));
+	btext_drawchar(hex_asc_hi(v >> 32));
+	btext_drawchar(hex_asc_lo(v >> 32));
 #endif
-	btext_drawchar(hex_table[(v >> 28) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 24) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 20) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 16) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >> 12) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >>  8) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >>  4) & 0x0000000FUL]);
-	btext_drawchar(hex_table[(v >>  0) & 0x0000000FUL]);
+	btext_drawchar(hex_asc_hi(v >> 24));
+	btext_drawchar(hex_asc_lo(v >> 24));
+	btext_drawchar(hex_asc_hi(v >> 16));
+	btext_drawchar(hex_asc_lo(v >> 16));
+	btext_drawchar(hex_asc_hi(v >> 8));
+	btext_drawchar(hex_asc_lo(v >> 8));
+	btext_drawchar(hex_asc_hi(v));
+	btext_drawchar(hex_asc_lo(v));
 	btext_drawchar(' ');
 }