From: Hill Ma <maahiuzeon@xxxxxxxxx> commit 140fd4ac78d385e6c8e6a5757585f6c707085f87 upstream. On MacBook6,1 reboot would hang unless parameter reboot=pci is added. Make it automatic. Signed-off-by: Hill Ma <maahiuzeon@xxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Link: https://lkml.kernel.org/r/20200425200641.GA1554@cslab.localdomain Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/kernel/reboot.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -197,6 +197,14 @@ static const struct dmi_system_id reboot DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5"), }, }, + { /* Handle problems with rebooting on Apple MacBook6,1 */ + .callback = set_pci_reboot, + .ident = "Apple MacBook6,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook6,1"), + }, + }, { /* Handle problems with rebooting on Apple MacBookPro5 */ .callback = set_pci_reboot, .ident = "Apple MacBookPro5",
