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Make sure to re-enable SCI after an ACPI suspend

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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: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2006-06-19 18:05:09 -07:00
parent 1cca0ebbb7
commit 5603509137
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/pci_link.c
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@ -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);