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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-06-11 01:58:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-06-11 01:58:01 -0700
commit4894e4aca82aca927d0404ce61f021f790de4b1e (patch)
treebbe0d083829f5858295298f188d885367cf4b1f6 /drivers/acpi/acpica/aclocal.h
parent05e882f890038c702a4f15d385135d03cf74ad48 (diff)
parent07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff)
downloadblackbird-op-linux-4894e4aca82aca927d0404ce61f021f790de4b1e.tar.gz
blackbird-op-linux-4894e4aca82aca927d0404ce61f021f790de4b1e.zip
Merge commit 'v2.6.30' into next
Diffstat (limited to 'drivers/acpi/acpica/aclocal.h')
-rw-r--r--drivers/acpi/acpica/aclocal.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 772ee5c4ccca..2ec394a328e9 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -787,7 +787,12 @@ struct acpi_bit_register_info {
/* For control registers, both ignored and reserved bits must be preserved */
-#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0201 /* Bits 9, 0(SCI_EN) */
+/*
+ * The ACPI spec says to ignore PM1_CTL.SCI_EN (bit 0)
+ * but we need to be able to write ACPI_BITREG_SCI_ENABLE directly
+ * as a BIOS workaround on some machines.
+ */
+#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bits 9 */
#define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */
#define ACPI_PM1_CONTROL_PRESERVED_BITS \
(ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
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