+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
+#define request_muxed_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
+#else
+#define IORESOURCE_MUXED 0x00400000
+#define request_muxed_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), IORESOURCE_MUXED)
+#endif
+#endif
+
+/* Red Hat EL5 includes backports of these functions, so we can't redefine
+ * our own. */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24)
+#if !(defined RHEL_MAJOR && RHEL_MAJOR == 5 && RHEL_MINOR >= 5)
+static inline int strict_strtoul(const char *cp, unsigned int base,
+ unsigned long *res)
+{
+ *res = simple_strtoul(cp, NULL, base);
+ return 0;
+}
+
+static inline int strict_strtol(const char *cp, unsigned int base, long *res)
+{
+ *res = simple_strtol(cp, NULL, base);
+ return 0;
+}
+#endif
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)
+#define kstrtoul strict_strtoul
+#define kstrtol strict_strtol