1 files changed, 33 insertions, 1 deletions

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 508e982dd072..834c9da8bf9d 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -3,6 +3,7 @@
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/efi.h>
+#include <linux/dmi.h>
 #include <acpi/reboot.h>
 #include <asm/io.h>
 #include <asm/apic.h>
@@ -17,7 +18,6 @@
 #include <asm/cpu.h>
 
 #ifdef CONFIG_X86_32
-# include <linux/dmi.h>
 # include <linux/ctype.h>
 # include <linux/mc146818rtc.h>
 #else
@@ -404,6 +404,38 @@ EXPORT_SYMBOL(machine_real_restart);
 
 #endif /* CONFIG_X86_32 */
 
+/*
+ * Apple MacBook5,2 (2009 MacBook) needs reboot=p
+ */
+static int __init set_pci_reboot(const struct dmi_system_id *d)
+{
+        if (reboot_type != BOOT_CF9) {
+                reboot_type = BOOT_CF9;
+                printk(KERN_INFO "%s series board detected. "
+                       "Selecting PCI-method for reboots.\n", d->ident);
+        }
+        return 0;
+}
+
+static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
+        {       /* Handle problems with rebooting on Apple MacBook5,2 */
+                .callback = set_pci_reboot,
+                .ident = "Apple MacBook",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5,2"),
+                },
+        },
+        { }
+};
+
+static int __init pci_reboot_init(void)
+{
+        dmi_check_system(pci_reboot_dmi_table);
+        return 0;
+}
+core_initcall(pci_reboot_init);
+
 static inline void kb_wait(void)
 {
         int i;