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Message-Id: <20230619172019.21457-3-andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Jun 2023 20:20:17 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>, Mark Brown <broonie@...nel.org>,
David Lin <CTLIN0@...oton.com>, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Cc: Antti Palosaari <crope@....fi>, Sergey Kozlov <serjk@...up.ru>,
Abylay Ospan <aospan@...up.ru>,
Yasunari Takiguchi <Yasunari.Takiguchi@...y.com>,
Michael Krufky <mkrufky@...uxtv.org>,
Matthias Schwarzott <zzam@...too.org>,
Akihiro Tsukada <tskd08@...il.com>,
Liam Girdwood <lgirdwood@...il.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Subject: [PATCH v1 2/4] lib/math/int_log: Use ARRAY_SIZE(logtable) where makes sense
Use ARRAY_SIZE(logtable) where makes sense.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
lib/math/int_log.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/math/int_log.c b/lib/math/int_log.c
index 322df25a22d6..ea98fc0b3fe2 100644
--- a/lib/math/int_log.c
+++ b/lib/math/int_log.c
@@ -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 */
--
2.40.0.1.gaa8946217a0b
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