ACPICA: Clear PM register write-only bits on reading

[deliverable/linux.git] / drivers / acpi / acpica / aclocal.h

diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 42ef0cbf70f85002e984c9fa221912b3e7e93375..772ee5c4ccca51669d09ed576630c6b5e5cc0fce 100644 (file)
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -781,6 +781,10 @@ struct acpi_bit_register_info {
  */
 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800 /* Bit 11 */
 
+/* Write-only bits must be zeroed by software */
+
+#define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004 /* Bits 13, 2 */
+
 /* For control registers, both ignored and reserved bits must be preserved */
 
 #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0201 /* Bits 9, 0(SCI_EN) */