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authorBob Moore <robert.moore@intel.com>2006-03-31 00:00:00 -0500
committerLen Brown <len.brown@intel.com>2006-06-14 02:04:16 -0400
commit793c2388cae3fd023b3b5166354931752d42353c (patch)
tree6859cde48677cf1e9b9766cd1d95081a863c060c /drivers/acpi/namespace
parent61686124f47d7c4b78610346c5f8f9d8a6d46bb5 (diff)
downloadblackbird-op-linux-793c2388cae3fd023b3b5166354931752d42353c.tar.gz
blackbird-op-linux-793c2388cae3fd023b3b5166354931752d42353c.zip
ACPI: ACPICA 20060331
Implemented header file support for the following additional ACPI tables: ASF!, BOOT, CPEP, DBGP, MCFG, SPCR, SPMI, TCPA, and WDRT. With this support, all current and known ACPI tables are now defined in the ACPICA headers and are available for use by device drivers and other software. Implemented support to allow tables that contain ACPI names with invalid characters to be loaded. Previously, this would cause the table load to fail, but since there are several known cases of such tables on existing machines, this change was made to enable ACPI support for them. Also, this matches the behavior of the Microsoft ACPI implementation. https://bugzilla.novell.com/show_bug.cgi?id=147621 Fixed a couple regressions introduced during the memory optimization in the 20060317 release. The namespace node definition required additional reorganization and an internal datatype that had been changed to 8-bit was restored to 32-bit. (Valery Podrezov) Fixed a problem where a null pointer passed to acpi_ut_delete_generic_state() could be passed through to acpi_os_release_object which is unexpected. Such null pointers are now trapped and ignored, matching the behavior of the previous implementation before the deployment of acpi_os_release_object(). (Valery Podrezov, Fiodor Suietov) Fixed a memory mapping leak during the deletion of a SystemMemory operation region where a cached memory mapping was not deleted. This became a noticeable problem for operation regions that are defined within frequently used control methods. (Dana Meyers) Reorganized the ACPI table header files into two main files: one for the ACPI tables consumed by the ACPICA core, and another for the miscellaneous ACPI tables that are consumed by the drivers and other software. The various FADT definitions were merged into one common section and three different tables (ACPI 1.0, 1.0+, and 2.0) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/namespace')
-rw-r--r--drivers/acpi/namespace/nsalloc.c2
-rw-r--r--drivers/acpi/namespace/nsdump.c3
-rw-r--r--drivers/acpi/namespace/nssearch.c50
3 files changed, 35 insertions, 20 deletions
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 8b921c96d6a5..c92c03693a16 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -211,6 +211,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
acpi_ut_get_node_name(parent_node),
acpi_ut_get_type_name(parent_node->type),
parent_node));
+
+ return_VOID;
}
/*******************************************************************************
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index e275373b1705..5662d2def62f 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -204,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
}
if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
+ this_node->name.integer =
+ acpi_ut_repair_name(this_node->name.integer);
+
ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
this_node->name.integer));
}
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index c929f45071c0..51adec5a23d6 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -128,9 +128,8 @@ acpi_ns_search_node(u32 target_name,
next_node->object);
}
- /*
- * Found matching entry.
- */
+ /* Found matching entry */
+
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
ACPI_CAST_PTR(char, &target_name),
@@ -248,10 +247,8 @@ acpi_ns_search_parent_tree(u32 target_name,
return_ACPI_STATUS(status);
}
- /*
- * Not found here, go up another level
- * (until we reach the root)
- */
+ /* Not found here, go up another level (until we reach the root) */
+
parent_node = acpi_ns_get_parent_node(parent_node);
}
@@ -307,12 +304,29 @@ acpi_ns_search_and_enter(u32 target_name,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Name must consist of printable characters */
-
+ /*
+ * Name must consist of valid ACPI characters. We will repair the name if
+ * necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
+ */
if (!acpi_ut_valid_acpi_name(target_name)) {
- ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X",
- target_name));
- return_ACPI_STATUS(AE_BAD_CHARACTER);
+ target_name = acpi_ut_repair_name(target_name);
+
+ /* Report warning only if in strict mode or debug mode */
+
+ if (!acpi_gbl_enable_interpreter_slack) {
+ ACPI_WARNING((AE_INFO,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ }
}
/* Try to find the name in the namespace level specified by the caller */
@@ -328,10 +342,8 @@ acpi_ns_search_and_enter(u32 target_name,
status = AE_ALREADY_EXISTS;
}
- /*
- * Either found it or there was an error
- * -- finished either way
- */
+ /* Either found it or there was an error: finished either way */
+
return_ACPI_STATUS(status);
}
@@ -357,9 +369,8 @@ acpi_ns_search_and_enter(u32 target_name,
}
}
- /*
- * In execute mode, just search, never add names. Exit now.
- */
+ /* In execute mode, just search, never add names. Exit now */
+
if (interpreter_mode == ACPI_IMODE_EXECUTE) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%4.4s Not found in %p [Not adding]\n",
@@ -379,6 +390,5 @@ acpi_ns_search_and_enter(u32 target_name,
acpi_ns_install_node(walk_state, node, new_node, type);
*return_node = new_node;
-
return_ACPI_STATUS(AE_OK);
}
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