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authorBob Moore <robert.moore@intel.com>2012-05-22 12:26:53 +0400
committerLen Brown <len.brown@intel.com>2012-06-01 19:51:52 +0400
commitc6e1733e6fc384ff1a219d7dfcb8b072030ae792 (patch)
treeae21cf8ec14697e9c030fda0d18f51e16372e9d1
parent43e1c6892c88ae0730cb0eb7bd5a2812b960c32a (diff)
downloadlinux-c6e1733e6fc384ff1a219d7dfcb8b072030ae792.tar.xz
ACPICA: iASL: Improved pathname support
For include files, merge the prefix pathname with the file pathname. Convert backslashes in all pathnames to forward slashes, for readability. Include file pathname changes affect both #include and Include() type operators. 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>
-rw-r--r--drivers/acpi/acpica/acutils.h2
-rw-r--r--drivers/acpi/acpica/utmisc.c29
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 925ccf22101b..5035327ebccc 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -460,6 +460,8 @@ acpi_ut_short_divide(u64 in_dividend,
/*
* utmisc
*/
+void ut_convert_backslashes(char *pathname);
+
const char *acpi_ut_validate_exception(acpi_status status);
u8 acpi_ut_is_pci_root_bridge(char *id);
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 86f19db74e05..e86f897767e8 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -52,6 +52,34 @@ ACPI_MODULE_NAME("utmisc")
/*******************************************************************************
*
+ * FUNCTION: ut_convert_backslashes
+ *
+ * PARAMETERS: Pathname - File pathname string to be converted
+ *
+ * RETURN: Modifies the input Pathname
+ *
+ * DESCRIPTION: Convert all backslashes (0x5C) to forward slashes (0x2F) within
+ * the entire input file pathname string.
+ *
+ ******************************************************************************/
+void ut_convert_backslashes(char *pathname)
+{
+
+ if (!pathname) {
+ return;
+ }
+
+ while (*pathname) {
+ if (*pathname == '\\') {
+ *pathname = '/';
+ }
+
+ pathname++;
+ }
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_validate_exception
*
* PARAMETERS: Status - The acpi_status code to be formatted
@@ -63,6 +91,7 @@ ACPI_MODULE_NAME("utmisc")
* an ASCII string.
*
******************************************************************************/
+
const char *acpi_ut_validate_exception(acpi_status status)
{
u32 sub_status;