ACPICA: Update for field unit access
Mostly for access to Generic Serial Bus, but also cleanup
for the other fields.
Signed-off-by: Bob Moore <[email protected]>
Signed-off-by: Erik Schmauss <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 0f875ae..53c0882 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -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_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_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_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 */
