ACPICA: Add 64-bit support to acpi_read and acpi_write
Needed by drivers for new ACPi tables. Internal versions of
these functions still use 32-bit max transfers, in order to
minimize disruption and stack use for the standard ACPI registers
(FADT-based).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 4afa3d8..36192f1 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -62,6 +62,14 @@
/*
* hwregs - ACPI Register I/O
*/
+acpi_status
+acpi_hw_validate_register(struct acpi_generic_address *reg,
+ u8 max_bit_width, u64 *address);
+
+acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
+
+acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
+
struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);