Merge branches 'einj', 'intel_idle', 'misc', 'srat' and 'turbostat-ivb' into release
[sfrench/cifs-2.6.git] / drivers / acpi / acpica / rslist.c
index 1bfcef736c5079695dd871d4490ae34bb612600b..9be129f5d6f4ec431469a4bebf76a6f0b900df9a 100644 (file)
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,6 +70,8 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
        struct acpi_resource **resource_ptr =
            ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
        struct acpi_resource *resource;
+       union aml_resource *aml_resource;
+       struct acpi_rsconvert_info *conversion_table;
        acpi_status status;
 
        ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources);
@@ -84,14 +86,37 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
                              "Misaligned resource pointer %p", resource));
        }
 
+       /* Get the appropriate conversion info table */
+
+       aml_resource = ACPI_CAST_PTR(union aml_resource, aml);
+       if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) {
+               if (aml_resource->common_serial_bus.type >
+                   AML_RESOURCE_MAX_SERIALBUSTYPE) {
+                       conversion_table = NULL;
+               } else {
+                       /* This is an I2C, SPI, or UART serial_bus descriptor */
+
+                       conversion_table =
+                           acpi_gbl_convert_resource_serial_bus_dispatch
+                           [aml_resource->common_serial_bus.type];
+               }
+       } else {
+               conversion_table =
+                   acpi_gbl_get_resource_dispatch[resource_index];
+       }
+
+       if (!conversion_table) {
+               ACPI_ERROR((AE_INFO,
+                           "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+                           resource_index));
+               return (AE_AML_INVALID_RESOURCE_TYPE);
+       }
+
        /* Convert the AML byte stream resource to a local resource struct */
 
        status =
-           acpi_rs_convert_aml_to_resource(resource,
-                                           ACPI_CAST_PTR(union aml_resource,
-                                                         aml),
-                                           acpi_gbl_get_resource_dispatch
-                                           [resource_index]);
+           acpi_rs_convert_aml_to_resource(resource, aml_resource,
+                                           conversion_table);
        if (ACPI_FAILURE(status)) {
                ACPI_EXCEPTION((AE_INFO, status,
                                "Could not convert AML resource (Type 0x%X)",
@@ -106,7 +131,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
 
        /* Point to the next structure in the output buffer */
 
-       *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length);
+       *resource_ptr = ACPI_NEXT_RESOURCE(resource);
        return_ACPI_STATUS(AE_OK);
 }
 
@@ -135,6 +160,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 {
        u8 *aml = output_buffer;
        u8 *end_aml = output_buffer + aml_size_needed;
+       struct acpi_rsconvert_info *conversion_table;
        acpi_status status;
 
        ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml);
@@ -154,11 +180,34 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 
                /* Perform the conversion */
 
-               status = acpi_rs_convert_resource_to_aml(resource, ACPI_CAST_PTR(union
-                                                                                aml_resource,
-                                                                                aml),
-                                                        acpi_gbl_set_resource_dispatch
-                                                        [resource->type]);
+               if (resource->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
+                       if (resource->data.common_serial_bus.type >
+                           AML_RESOURCE_MAX_SERIALBUSTYPE) {
+                               conversion_table = NULL;
+                       } else {
+                               /* This is an I2C, SPI, or UART serial_bus descriptor */
+
+                               conversion_table =
+                                   acpi_gbl_convert_resource_serial_bus_dispatch
+                                   [resource->data.common_serial_bus.type];
+                       }
+               } else {
+                       conversion_table =
+                           acpi_gbl_set_resource_dispatch[resource->type];
+               }
+
+               if (!conversion_table) {
+                       ACPI_ERROR((AE_INFO,
+                                   "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+                                   resource->type));
+                       return (AE_AML_INVALID_RESOURCE_TYPE);
+               }
+
+               status = acpi_rs_convert_resource_to_aml(resource,
+                                                        ACPI_CAST_PTR(union
+                                                                      aml_resource,
+                                                                      aml),
+                                                        conversion_table);
                if (ACPI_FAILURE(status)) {
                        ACPI_EXCEPTION((AE_INFO, status,
                                        "Could not convert resource (type 0x%X) to AML",
@@ -192,9 +241,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 
                /* Point to the next input resource descriptor */
 
-               resource =
-                   ACPI_ADD_PTR(struct acpi_resource, resource,
-                                resource->length);
+               resource = ACPI_NEXT_RESOURCE(resource);
        }
 
        /* Completed buffer, but did not find an end_tag resource descriptor */