[coreboot-gerrit] Change in coreboot[master]: helpers: Add a helper macro for calculating power of 2

[Furquan Shaikh (Code Review)]

Furquan Shaikh has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/39881 )

Change subject: helpers: Add a helper macro for calculating power of 2
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helpers: Add a helper macro for calculating power of 2

This change adds a helper macro POWER_OF_2 that is useful for
calculating the requested power of 2.

Change-Id: Ie70f93b6ac175699c11cae7d8f023a52cce01e88
Signed-off-by: Furquan Shaikh 
---
M src/commonlib/bsd/include/commonlib/bsd/helpers.h
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/81/39881/1

diff --git a/src/commonlib/bsd/include/commonlib/bsd/helpers.h b/src/commonlib/bsd/include/commonlib/bsd/helpers.h
index a305df0..4e6ebee 100644
--- a/src/commonlib/bsd/include/commonlib/bsd/helpers.h
+++ b/src/commonlib/bsd/include/commonlib/bsd/helpers.h
@@ -52,6 +52,8 @@
    (_power_local_x & (_power_local_x - 1)) == 0; \
 })

+#define POWER_OF_2(x)		(1ULL << (x))
+
 #define DIV_ROUND_UP(x, y) ({ \
    __typeof__(x) _div_local_x = (x); \
    __typeof__(y) _div_local_y = (y); \