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Commit e324e101 authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
Browse files

ACPICA: Update for field unit access 



Mostly for access to Generic Serial Bus, but also cleanup
for the other fields.

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarErik Schmauss <erik.schmauss@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f8553720

drivers/acpi/acpica/acinterp.h

+3 −0
Original line number Diff line number Diff line
@@ -123,6 +123,9 @@ acpi_ex_trace_point(acpi_trace_event_type type, 
/*

 * exfield - ACPI AML (p-code) execution - field manipulation

 */

acpi_status

acpi_ex_get_protocol_buffer_length(u32 protocol_id, u32 *return_length);



acpi_status

acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,

			    u32 buffer_length, u32 * datum_count);

drivers/acpi/acpica/exfield.c

+432 −280

File changed.

Preview size limit exceeded, changes collapsed.

include/acpi/acconfig.h

+13 −5
Original line number Diff line number Diff line
@@ -173,12 +173,20 @@ 
#define ACPI_RSDP_CHECKSUM_LENGTH       20

#define ACPI_RSDP_XCHECKSUM_LENGTH      36



/* SMBus, GSBus and IPMI bidirectional buffer size */

/*

 * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header,

 * containing both Status and Length.

 */

#define ACPI_SERIAL_HEADER_SIZE         2	/* Common for below. Status and Length fields */



#define ACPI_SMBUS_DATA_SIZE            32

#define ACPI_SMBUS_BUFFER_SIZE          ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE



#define ACPI_IPMI_DATA_SIZE             64

#define ACPI_IPMI_BUFFER_SIZE           ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE



#define ACPI_SMBUS_BUFFER_SIZE          34

#define ACPI_IPMI_BUFFER_SIZE           66

#define ACPI_GSBUS_BUFFER_SIZE          34	/* Not clear if this is needed */

#define ACPI_MAX_GSBUS_BUFFER_SIZE      255	/* Worst-case bidirectional buffer */

#define ACPI_MAX_GSBUS_DATA_SIZE        255

#define ACPI_MAX_GSBUS_BUFFER_SIZE      ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE



/* _sx_d and _sx_w control methods */