ACPICA: Split exception code utilities to a new file, utexcep.c

Simplifies sharing of these functions.

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>

5 files changed, 154 insertions, 112 deletions

diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 793b8cc8e25..fa9a7d5afeb 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -140,6 +140,7 @@ acpi-y +=		\
         utaddress.o     \
         utalloc.o       \
         utcopy.o        \
+        utexcep.o       \
         utdebug.o       \
         utdecode.o      \
         utdelete.o      \
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 92fab6a8114..ce79100fb5e 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -326,14 +326,6 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
 
 #endif
 
-/* Exception codes */
-
-extern char const *acpi_gbl_exception_names_env[];
-extern char const *acpi_gbl_exception_names_pgm[];
-extern char const *acpi_gbl_exception_names_tbl[];
-extern char const *acpi_gbl_exception_names_aml[];
-extern char const *acpi_gbl_exception_names_ctrl[];
-
 /*****************************************************************************
  *
  * Namespace globals
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index 684849949bf..c8c130cc656 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -49,41 +49,6 @@
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdecode")
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_format_exception
- *
- * PARAMETERS:  Status       - The acpi_status code to be formatted
- *
- * RETURN:      A string containing the exception text. A valid pointer is
- *              always returned.
- *
- * DESCRIPTION: This function translates an ACPI exception into an ASCII string
- *              It is here instead of utxface.c so it is always present.
- *
- ******************************************************************************/
-const char *acpi_format_exception(acpi_status status)
-{
-        const char *exception = NULL;
-
-        ACPI_FUNCTION_ENTRY();
-
-        exception = acpi_ut_validate_exception(status);
-        if (!exception) {
-
-                /* Exception code was not recognized */
-
-                ACPI_ERROR((AE_INFO,
-                            "Unknown exception code: 0x%8.8X", status));
-
-                exception = "UNKNOWN_STATUS_CODE";
-        }
-
-        return (ACPI_CAST_PTR(const char, exception));
-}
-
-ACPI_EXPORT_SYMBOL(acpi_format_exception)
-
 /*
  * Properties of the ACPI Object Types, both internal and external.
  * The table is indexed by values of acpi_object_type
diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c
new file mode 100644
index 00000000000..23b98945f6b
--- /dev/null
+++ b/drivers/acpi/acpica/utexcep.c
@@ -0,0 +1,153 @@
+/*******************************************************************************
+ *
+ * Module Name: utexcep - Exception code support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define ACPI_DEFINE_EXCEPTION_TABLE
+#include <linux/export.h>
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+ACPI_MODULE_NAME("utexcep")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_format_exception
+ *
+ * PARAMETERS:  status              - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. A valid pointer is
+ *              always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII
+ *              string. Returns "unknown status" string for invalid codes.
+ *
+ ******************************************************************************/
+const char *acpi_format_exception(acpi_status status)
+{
+        const char *exception = NULL;
+
+        ACPI_FUNCTION_ENTRY();
+
+        exception = acpi_ut_validate_exception(status);
+        if (!exception) {
+
+                /* Exception code was not recognized */
+
+                ACPI_ERROR((AE_INFO,
+                            "Unknown exception code: 0x%8.8X", status));
+
+                exception = "UNKNOWN_STATUS_CODE";
+        }
+
+        return (ACPI_CAST_PTR(const char, exception));
+}
+
+ACPI_EXPORT_SYMBOL(acpi_format_exception)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_validate_exception
+ *
+ * PARAMETERS:  status              - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. NULL if exception is
+ *              not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ *              an ASCII string.
+ *
+ ******************************************************************************/
+const char *acpi_ut_validate_exception(acpi_status status)
+{
+        u32 sub_status;
+        const char *exception = NULL;
+
+        ACPI_FUNCTION_ENTRY();
+
+        /*
+         * Status is composed of two parts, a "type" and an actual code
+         */
+        sub_status = (status & ~AE_CODE_MASK);
+
+        switch (status & AE_CODE_MASK) {
+        case AE_CODE_ENVIRONMENTAL:
+
+                if (sub_status <= AE_CODE_ENV_MAX) {
+                        exception = acpi_gbl_exception_names_env[sub_status];
+                }
+                break;
+
+        case AE_CODE_PROGRAMMER:
+
+                if (sub_status <= AE_CODE_PGM_MAX) {
+                        exception = acpi_gbl_exception_names_pgm[sub_status];
+                }
+                break;
+
+        case AE_CODE_ACPI_TABLES:
+
+                if (sub_status <= AE_CODE_TBL_MAX) {
+                        exception = acpi_gbl_exception_names_tbl[sub_status];
+                }
+                break;
+
+        case AE_CODE_AML:
+
+                if (sub_status <= AE_CODE_AML_MAX) {
+                        exception = acpi_gbl_exception_names_aml[sub_status];
+                }
+                break;
+
+        case AE_CODE_CONTROL:
+
+                if (sub_status <= AE_CODE_CTRL_MAX) {
+                        exception = acpi_gbl_exception_names_ctrl[sub_status];
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        return (ACPI_CAST_PTR(const char, exception));
+}
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 577a44e5690..e30c060b7be 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -82,75 +82,6 @@ void ut_convert_backslashes(char *pathname)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_validate_exception
- *
- * PARAMETERS:  Status       - The acpi_status code to be formatted
- *
- * RETURN:      A string containing the exception text. NULL if exception is
- *              not valid.
- *
- * DESCRIPTION: This function validates and translates an ACPI exception into
- *              an ASCII string.
- *
- ******************************************************************************/
-
-const char *acpi_ut_validate_exception(acpi_status status)
-{
-        u32 sub_status;
-        const char *exception = NULL;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /*
-         * Status is composed of two parts, a "type" and an actual code
-         */
-        sub_status = (status & ~AE_CODE_MASK);
-
-        switch (status & AE_CODE_MASK) {
-        case AE_CODE_ENVIRONMENTAL:
-
-                if (sub_status <= AE_CODE_ENV_MAX) {
-                        exception = acpi_gbl_exception_names_env[sub_status];
-                }
-                break;
-
-        case AE_CODE_PROGRAMMER:
-
-                if (sub_status <= AE_CODE_PGM_MAX) {
-                        exception = acpi_gbl_exception_names_pgm[sub_status];
-                }
-                break;
-
-        case AE_CODE_ACPI_TABLES:
-
-                if (sub_status <= AE_CODE_TBL_MAX) {
-                        exception = acpi_gbl_exception_names_tbl[sub_status];
-                }
-                break;
-
-        case AE_CODE_AML:
-
-                if (sub_status <= AE_CODE_AML_MAX) {
-                        exception = acpi_gbl_exception_names_aml[sub_status];
-                }
-                break;
-
-        case AE_CODE_CONTROL:
-
-                if (sub_status <= AE_CODE_CTRL_MAX) {
-                        exception = acpi_gbl_exception_names_ctrl[sub_status];
-                }
-                break;
-
-        default:
-                break;
-        }
-
-        return (ACPI_CAST_PTR(const char, exception));
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_is_pci_root_bridge
  *
  * PARAMETERS:  Id              - The HID/CID in string format