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ACPICA: Utilities: Add ACPI_IS_ALIGNED() macro

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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>
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Lv Zheng 2016-05-05 12:58:32 +08:00 committed by Rafael J. Wysocki
parent 5391abfdae
commit e35d75024b
1 changed files with 2 additions and 1 deletions
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3
drivers/acpi/acpica/acmacros.h
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@ -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