From 7f0719039085cc40114abce84cf29fe57da226f4 Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Thu, 19 Mar 2009 09:37:47 +0800 Subject: ACPICA: New: I/O port protection Protect certain I/O ports from reads/writes. Provides MS compatibility. New module, hwvalid.c Signed-off-by: Bob Moore Signed-off-by: Lin Ming Signed-off-by: Len Brown --- drivers/acpi/acpica/achware.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/acpi/acpica/achware.h') diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 4fa6ee6b1f7..4afa3d8e0ef 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -72,6 +72,13 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value); acpi_status acpi_hw_clear_acpi_status(void); +/* + * hwvalid - Port I/O with validation + */ +acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); + +acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); + /* * hwgpe - GPE support */ -- cgit v1.2.3