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

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Use ARRAY_SIZE(logtable) where makes sense.

Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/20230619172019.21457-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230703135211.87416-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-07-03 16:52:09 +03:00 committed by Mark Brown
parent f97fa3dcb2
commit 08f6a14b2d
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1 changed files with 2 additions and 2 deletions
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lib/math/int_log.c
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@ -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 */