Unverified Commit 08f6a14b authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

lib/math/int_log: Use ARRAY_SIZE(logtable) where makes sense 



Use ARRAY_SIZE(logtable) where makes sense.

Reviewed-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/20230619172019.21457-3-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230703135211.87416-3-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f97fa3dc

lib/math/int_log.c

+2 −2
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ unsigned int intlog2(u32 value) 
	 *	so we would use the entry 0x18

	 */

	significand = value << (31 - msb);

	logentry = (significand >> 23) & 0xff;

	logentry = (significand >> 23) % ARRAY_SIZE(logtable);



	/**

	 *	last step we do is interpolation because of the
@@ -109,7 +109,7 @@ unsigned int intlog2(u32 value) 
	 *	logtable_next is 256

	 */

	interpolation = ((significand & 0x7fffff) *

			((logtable[(logentry + 1) & 0xff] -

			((logtable[(logentry + 1) % ARRAY_SIZE(logtable)] -

			  logtable[logentry]) & 0xffff)) >> 15;



	/* now we return the result */