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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-10 20:14:44 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-10 20:14:44 -0400
commit53a5fbdc2dff55161a206ed1a1385a8fa8055c34 (patch)
tree9a90f7160d7a44a8ddb3a51fdaec866e01f1a359 /drivers
parent0968cf51b6f2ca8a951de4b976370189cf43bbdd (diff)
ACPI: Allow setting SCI_EN bit in PM1_CONTROL register
This is needed by at least the Mac Mini's, which (incorrectly) come back from suspend with SCI_EN clear. Thanks to Frédéric Riss for hunting this down. Acked-by: Frédéric Riss <frederic.riss@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/hardware/hwregs.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index 3143f36fcec9..fa58c1edce1e 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -665,8 +665,6 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
665 665
666 /* 666 /*
667 * Perform a read first to preserve certain bits (per ACPI spec) 667 * Perform a read first to preserve certain bits (per ACPI spec)
668 *
669 * Note: This includes SCI_EN, we never want to change this bit
670 */ 668 */
671 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK, 669 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
672 ACPI_REGISTER_PM1_CONTROL, 670 ACPI_REGISTER_PM1_CONTROL,