linux-kernel - [PATCH 09/15] ACPICA: Utilities: Add ACPI_IS

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Message-Id: <1626ef6e4fdb43c7bb4816793f619d77633a70e0.1462331121.git.lv.zheng@intel.com>
Date:	Wed,  4 May 2016 13:49:03 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org
Subject: [PATCH 09/15] ACPICA: Utilities: Add ACPI_IS_ALIGNED() macro

This patch introduces ACPI_IS_ALIGNED() macro. Lv Zheng.

Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
 drivers/acpi/acpica/acmacros.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 73f6653..ecbaaba 100644
--- 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
-- 
1.7.10