Commit 56035091 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Make sure to re-enable SCI after an ACPI suspend 



According to the ACPI spec, it should be enabled on return from suspend,
but bugs happen.  Apparently especially on the Apple Intel Macs.

Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 1cca0ebb

drivers/acpi/pci_link.c

+3 −0
Original line number Diff line number Diff line
@@ -812,6 +812,9 @@ static int irqrouter_resume(struct sys_device *dev) 


	ACPI_FUNCTION_TRACE("irqrouter_resume");



	/* Make sure SCI is enabled again (Apple firmware bug?) */

	acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK);



	acpi_in_resume = 1;

	list_for_each(node, &acpi_link.entries) {

		link = list_entry(node, struct acpi_pci_link, node);