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authorLv Zheng <lv.zheng@intel.com>2014-01-08 09:43:23 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-08 18:31:36 +0400
commitbb3fec146c8561441db058db07b3fbdd7fe7e1df (patch)
tree4ec8e389084149ebf95831cef14de002dddb5055 /include/acpi
parent5af2b6351b3cc0dadd6888928005a61f2667c80d (diff)
downloadlinux-bb3fec146c8561441db058db07b3fbdd7fe7e1df.tar.xz
ACPICA: Remove unused ACPI_FREE_BUFFER macro. No functional change.
This macro is no longer used by ACPICA and it is not public. Also update comments related to the use of ACPI_ALLOCATE_BUFFER and the use of acpi_os_free (kfree is equivalent and prefered in the kernel) to free the buffer. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/actypes.h12
1 files changed, 2 insertions, 10 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 809b1a0fee7f..68a3ada689c9 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -928,8 +928,8 @@ struct acpi_object_list {
* Miscellaneous common Data Structures used by the interfaces
*/
#define ACPI_NO_BUFFER 0
-#define ACPI_ALLOCATE_BUFFER (acpi_size) (-1)
-#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2)
+#define ACPI_ALLOCATE_BUFFER (acpi_size) (-1) /* Let ACPICA allocate buffer */
+#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2) /* For internal use only (enables tracking) */
struct acpi_buffer {
acpi_size length; /* Length in bytes of the buffer */
@@ -937,14 +937,6 @@ struct acpi_buffer {
};
/*
- * Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_BUFFER.
- * Note: We use acpi_os_free here because acpi_os_allocate was used to allocate
- * the buffer. This purposefully bypasses the internal allocation tracking
- * mechanism (if it is enabled).
- */
-#define ACPI_FREE_BUFFER(b) acpi_os_free((b).pointer)
-
-/*
* name_type for acpi_get_name
*/
#define ACPI_FULL_PATHNAME 0