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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 18:05:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 18:05:09 -0700 |
| commit | 5603509137940f4cbc577281cee62110d4097b1b (patch) | |
| tree | def89e77479baa644160ffa1467b1ead0ac88e2f /drivers | |
| parent | 1cca0ebbb74298958dae1d1d3e7e9287c98a720c (diff) | |
| download | linux-3.10-5603509137940f4cbc577281cee62110d4097b1b.tar.gz linux-3.10-5603509137940f4cbc577281cee62110d4097b1b.tar.bz2 linux-3.10-5603509137940f4cbc577281cee62110d4097b1b.zip | |
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: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/pci_link.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 07bc6dfe662..8920e8c6e24 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -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); |