commit | 0c0f909689c8387265a3682d4205c063071ec36a | [log] [tgz] |
---|---|---|
author | Changhwan Youn <chaos.youn@samsung.com> | Wed Sep 29 20:31:42 2010 +0900 |
committer | Kukjin Kim <kgene.kim@samsung.com> | Thu Oct 21 07:52:18 2010 +0900 |
tree | 3d341bd807e1bd050a393ee3ead44ff87bcda036 | |
parent | 8d75c9128a07bd1f81952a518ed818d1a3e90c96 [diff] |
ARM: S5PV310: Optimize interrupt source searching code It is reported by Junseok Jung that using clz instruction is better instead of using for-loop to find the interrupt source. This patch modifies interrupt source searching code using __ffs(). The __ffs() is implemented using clz instruction. Suggested-by: Junseok Jung <jundols.jung@samsung.com> Signed-off-by: Changhwan Youn <chaos.youn@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>