ACPICA: Utilities: Add ACPI_IS_ALIGNED() macro

This patch introduces ACPI_IS_ALIGNED() macro. Lv Zheng.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 73f6653..ecbaaba 100644 (file)
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -262,7 +262,8 @@
 
 /* Generic (power-of-two) rounding */
 
-#define ACPI_IS_POWER_OF_TWO(a)             (((a) & ((a) - 1)) == 0)
+#define ACPI_IS_ALIGNED(a, s)               (((a) & ((s) - 1)) == 0)
+#define ACPI_IS_POWER_OF_TWO(a)             ACPI_IS_ALIGNED(a, a)
 
 /*
  * Bitmask creation