applied
-- Len Brown, Intel Open Source Technology Center
On Mon, 29 Dec 2008, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> According to the ACPI specification the SCI_EN flag is controlled by
> the hardware, which sets this flag to inform the kernel that ACPI is
> enabled. For this reason, we shouldn't try to modify SCI_EN
> directly. Also, we don't need to do it in irqrouter_resume(), since
> lower-level resume code takes care of enabling ACPI in case it hasn't
> been enabled by the BIOS before passing control to the kernel (which
> by the way is against the ACPI specification).
>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> ---
> drivers/acpi/pci_link.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> Index: linux-2.6/drivers/acpi/pci_link.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/pci_link.c
> +++ linux-2.6/drivers/acpi/pci_link.c
> @@ -793,10 +793,6 @@ static int irqrouter_resume(struct sys_d
> struct list_head *node = NULL;
> struct acpi_pci_link *link = NULL;
>
> -
> - /* Make sure SCI is enabled again (Apple firmware bug?) */
> - acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1);
> -
> list_for_each(node, &acpi_link.entries) {
> link = list_entry(node, struct acpi_pci_link, node);
> if (!link) {
> --8323328-415918257-1230681806=:17126--
