x86/pci-calgary_64.c: Remove obsoleted simple_strtoul() usage

Change calgary_parse_options() to call kstrtoul() instead of
calling obsoleted simple_strtoul().
Signed-off-by: NShuah Khan <shuahkhan@gmail.com>
Acked-by: NMuli Ben-Yehuda <muli@cs.technion.ac.il>
Cc: jdmason@kudzu.us
Link: http://lkml.kernel.org/r/1337556268.3126.5.camel@lorien2Signed-off-by: NIngo Molnar <mingo@kernel.org>

arch/x86/kernel/pci-calgary_64.c

@@ -1479,8 +1479,9 @@ int __init detect_calgary(void)
 static int __init calgary_parse_options(char *p)
 {
 	unsigned int bridge;
+	unsigned long val;
 	size_t len;
-	char* endp;
+	ssize_t ret;
 
 	while (*p) {
 		if (!strncmp(p, "64k", 3))
@@ -1511,10 +1512,11 @@ static int __init calgary_parse_options(char *p)
 				++p;
 			if (*p == '\0')
 				break;
-			bridge = simple_strtoul(p, &endp, 0);
-			if (p == endp)
+			ret = kstrtoul(p, 0, &val);
+			if (ret)
 				break;
 
+			bridge = val;
 			if (bridge < MAX_PHB_BUS_NUM) {
 				printk(KERN_INFO "Calgary: disabling "
 				       "translation for PHB %#x\n", bridge);