[2/3] ACPICA: Fix access width for reset vector

Commit Message

Matthew Garrett Dec. 9, 2010, 9:46 p.m. UTC

None

Patch

diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index 50cc3be..c6a4e63 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -82,12 +82,11 @@  acpi_status acpi_reset(void)
 		/*
 		 * For I/O space, write directly to the OSL. This bypasses the port
 		 * validation mechanism, which may block a valid write to the reset
-		 * register.
+		 * register. Spec section 4.7.3.6 requires register width to be 8.
 		 */
 		status =
 		    acpi_os_write_port((acpi_io_address) reset_reg->address,
-				       acpi_gbl_FADT.reset_value,
-				       reset_reg->bit_width);
+				       acpi_gbl_FADT.reset_value, 8)
 	} else {
 		/* Write the reset value to the reset register */