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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t24-20020a1709028c9800b001b521cf9578si17098515plo.443.2023.07.03.06.57.20; Mon, 03 Jul 2023 06:57:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=jZLZx0We; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231454AbjGCNwh (ORCPT + 99 others); Mon, 3 Jul 2023 09:52:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231358AbjGCNwe (ORCPT ); Mon, 3 Jul 2023 09:52:34 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38A38E5A; Mon, 3 Jul 2023 06:52:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688392352; x=1719928352; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=j+6esjbYYXaZyADUf0T58CNTxEPk1Xz526ckaXaqsJI=; b=jZLZx0Wect4h3xcGygGWqNTtnGG9IrojJUWR2WWkb1dtPrZ42fYhFoNS T7Q8CugTR8G5y4sNytBPBbOmneHZdK3FvcvBlVeI9Tel17uCQ1xEgkKjT Ekeg1tVzCygHPB3ocmyJ+JtYqMv5ggMcAfy7QqbcwTP3nMUKwihnQFwwh 7TjvkkXQo0laVQArodoB8r9BywkvzzjW+R5sI80e8YV9VUgRsXDHKkra9 Pr3XntRt0543EY5EFgYb4sOsDcgXyWOZfIOAqahmipk633FmS3TELjAet b8E4G0iXEaLtmYEfcUfZgdvweMUw5446NAlEqkxvy/v7hfgRfX1Uw3BcN A==; X-IronPort-AV: E=McAfee;i="6600,9927,10760"; a="347673020" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="347673020" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2023 06:52:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10760"; a="863093275" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="863093275" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 03 Jul 2023 06:52:25 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id EC460170; Mon, 3 Jul 2023 16:52:28 +0300 (EEST) From: Andy Shevchenko To: Mauro Carvalho Chehab , Andy Shevchenko , Hans Verkuil , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Mark Brown , David Lin , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, alsa-devel@alsa-project.org Cc: Jonathan Corbet , Antti Palosaari , Sergey Kozlov , Abylay Ospan , Yasunari Takiguchi , Michael Krufky , Matthias Schwarzott , Akihiro Tsukada , Liam Girdwood , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v2 1/4] lib/math: Move dvb_math.c into lib/math/int_log.c Date: Mon, 3 Jul 2023 16:52:08 +0300 Message-Id: <20230703135211.87416-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230703135211.87416-1-andriy.shevchenko@linux.intel.com> References: <20230703135211.87416-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770408016163556502?= X-GMAIL-MSGID: =?utf-8?q?1770408016163556502?= Some existing and new users may benefit from the intlog2() and intlog10() APIs, make them wide available. Reviewed-by: Mauro Carvalho Chehab Acked-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/20230619172019.21457-2-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Reviewed-by: Randy Dunlap --- Documentation/core-api/kernel-api.rst | 7 +++++-- Documentation/driver-api/media/dtv-common.rst | 9 --------- drivers/media/dvb-core/Makefile | 2 +- drivers/media/dvb-frontends/af9013_priv.h | 2 +- drivers/media/dvb-frontends/af9033_priv.h | 2 +- drivers/media/dvb-frontends/cxd2820r_priv.h | 2 +- drivers/media/dvb-frontends/cxd2841er.c | 2 +- .../dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c | 2 +- .../dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c | 2 +- drivers/media/dvb-frontends/cxd2880/cxd2880_top.c | 2 +- drivers/media/dvb-frontends/dib7000p.c | 2 +- drivers/media/dvb-frontends/dib8000.c | 2 +- drivers/media/dvb-frontends/dib9000.c | 2 +- drivers/media/dvb-frontends/drxk_hard.c | 2 +- drivers/media/dvb-frontends/lgdt3305.c | 2 +- drivers/media/dvb-frontends/lgdt3306a.c | 2 +- drivers/media/dvb-frontends/lgdt330x.c | 2 +- drivers/media/dvb-frontends/m88ds3103_priv.h | 2 +- drivers/media/dvb-frontends/mn88443x.c | 2 +- drivers/media/dvb-frontends/mn88472_priv.h | 2 +- drivers/media/dvb-frontends/mn88473_priv.h | 2 +- drivers/media/dvb-frontends/or51132.c | 2 +- drivers/media/dvb-frontends/or51211.c | 2 +- drivers/media/dvb-frontends/rtl2830_priv.h | 2 +- drivers/media/dvb-frontends/rtl2832_priv.h | 2 +- drivers/media/dvb-frontends/si2165.c | 2 +- drivers/media/dvb-frontends/stv0367.c | 2 +- drivers/media/dvb-frontends/tc90522.c | 2 +- drivers/media/dvb-frontends/tda10048.c | 2 +- include/{media/dvb_math.h => linux/int_log.h} | 7 +++---- lib/math/Makefile | 2 +- .../media/dvb-core/dvb_math.c => lib/math/int_log.c | 11 ++++++----- 32 files changed, 42 insertions(+), 48 deletions(-) rename include/{media/dvb_math.h => linux/int_log.h} (92%) rename drivers/media/dvb-core/dvb_math.c => lib/math/int_log.c (95%) diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst index f2bcc5a7ea43..a526fbe06f86 100644 --- a/Documentation/core-api/kernel-api.rst +++ b/Documentation/core-api/kernel-api.rst @@ -162,8 +162,11 @@ Base 2 log and power Functions .. kernel-doc:: include/linux/log2.h :internal: -Integer power Functions ------------------------ +Integer log and power Functions +------------------------------- + +.. kernel-doc:: include/linux/int_log.h + :export: .. kernel-doc:: lib/math/int_pow.c :export: diff --git a/Documentation/driver-api/media/dtv-common.rst b/Documentation/driver-api/media/dtv-common.rst index f8b2c4dc8170..207a22bcaf4a 100644 --- a/Documentation/driver-api/media/dtv-common.rst +++ b/Documentation/driver-api/media/dtv-common.rst @@ -3,15 +3,6 @@ Digital TV Common functions --------------------------- -Math functions -~~~~~~~~~~~~~~ - -Provide some commonly-used math functions, usually required in order to -estimate signal strength and signal to noise measurements in dB. - -.. kernel-doc:: include/media/dvb_math.h - - DVB devices ~~~~~~~~~~~ diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile index 62b028ded9f7..1cb3ca67bed9 100644 --- a/drivers/media/dvb-core/Makefile +++ b/drivers/media/dvb-core/Makefile @@ -8,6 +8,6 @@ dvb-vb2-$(CONFIG_DVB_MMAP) := dvb_vb2.o dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o \ dvb_ca_en50221.o dvb_frontend.o \ - $(dvb-net-y) dvb_ringbuffer.o $(dvb-vb2-y) dvb_math.o + $(dvb-net-y) dvb_ringbuffer.o $(dvb-vb2-y) obj-$(CONFIG_DVB_CORE) += dvb-core.o diff --git a/drivers/media/dvb-frontends/af9013_priv.h b/drivers/media/dvb-frontends/af9013_priv.h index 3b9b9424fe1a..bba7a9693a23 100644 --- a/drivers/media/dvb-frontends/af9013_priv.h +++ b/drivers/media/dvb-frontends/af9013_priv.h @@ -12,7 +12,7 @@ #define AF9013_PRIV_H #include -#include +#include #include "af9013.h" #include #include diff --git a/drivers/media/dvb-frontends/af9033_priv.h b/drivers/media/dvb-frontends/af9033_priv.h index 0e64da0cdeab..7560da75ef00 100644 --- a/drivers/media/dvb-frontends/af9033_priv.h +++ b/drivers/media/dvb-frontends/af9033_priv.h @@ -14,7 +14,7 @@ #include #include #include -#include +#include struct reg_val { u32 reg; diff --git a/drivers/media/dvb-frontends/cxd2820r_priv.h b/drivers/media/dvb-frontends/cxd2820r_priv.h index 9b4d9cf8563d..605320bbc12b 100644 --- a/drivers/media/dvb-frontends/cxd2820r_priv.h +++ b/drivers/media/dvb-frontends/cxd2820r_priv.h @@ -11,7 +11,7 @@ #include #include -#include +#include #include "cxd2820r.h" #include /* For gpio_chip */ #include diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index 5431f922f55e..ef403a9fb753 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -22,7 +22,7 @@ #include #include -#include +#include #include #include "cxd2841er.h" #include "cxd2841er_priv.h" diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c index 604580bf7cf7..4e173dd87ecf 100644 --- a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c @@ -11,7 +11,7 @@ #include "cxd2880_tnrdmd_dvbt2.h" #include "cxd2880_tnrdmd_dvbt2_mon.h" -#include +#include static const int ref_dbm_1000[4][8] = { {-96000, -95000, -94000, -93000, -92000, -92000, -98000, -97000}, diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c index fedc3b4a2fa0..86d5a1e4022a 100644 --- a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c @@ -11,7 +11,7 @@ #include "cxd2880_tnrdmd_dvbt.h" #include "cxd2880_tnrdmd_dvbt_mon.h" -#include +#include static const int ref_dbm_1000[3][5] = { {-93000, -91000, -90000, -89000, -88000}, diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c index d5b1b3788e39..f67b6d24b8d4 100644 --- a/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c @@ -11,7 +11,7 @@ #include #include -#include +#include #include "cxd2880.h" #include "cxd2880_tnrdmd_mon.h" diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c index a90d2f51868f..b791e687d2e2 100644 --- a/drivers/media/dvb-frontends/dib7000p.c +++ b/drivers/media/dvb-frontends/dib7000p.c @@ -13,7 +13,7 @@ #include #include -#include +#include #include #include "dib7000p.h" diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index fe19d127abb3..2abda7d1cb6e 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -13,7 +13,7 @@ #include #include -#include +#include #include diff --git a/drivers/media/dvb-frontends/dib9000.c b/drivers/media/dvb-frontends/dib9000.c index 914ca820c174..1c57587a917a 100644 --- a/drivers/media/dvb-frontends/dib9000.c +++ b/drivers/media/dvb-frontends/dib9000.c @@ -11,7 +11,7 @@ #include #include -#include +#include #include #include "dib9000.h" diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c index 3301ef75d441..6ad4f202f1bf 100644 --- a/drivers/media/dvb-frontends/drxk_hard.c +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -20,7 +20,7 @@ #include #include "drxk.h" #include "drxk_hard.h" -#include +#include static int power_down_dvbt(struct drxk_state *state, bool set_power_mode); static int power_down_qam(struct drxk_state *state); diff --git a/drivers/media/dvb-frontends/lgdt3305.c b/drivers/media/dvb-frontends/lgdt3305.c index 62d743988919..c15d3735d34c 100644 --- a/drivers/media/dvb-frontends/lgdt3305.c +++ b/drivers/media/dvb-frontends/lgdt3305.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include #include "lgdt3305.h" static int debug; diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index 70258884126b..3c6650f6e9a3 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include #include "lgdt3306a.h" #include diff --git a/drivers/media/dvb-frontends/lgdt330x.c b/drivers/media/dvb-frontends/lgdt330x.c index 83565209c3b1..97a10996c7fa 100644 --- a/drivers/media/dvb-frontends/lgdt330x.c +++ b/drivers/media/dvb-frontends/lgdt330x.c @@ -28,7 +28,7 @@ #include #include -#include +#include #include "lgdt330x_priv.h" #include "lgdt330x.h" diff --git a/drivers/media/dvb-frontends/m88ds3103_priv.h b/drivers/media/dvb-frontends/m88ds3103_priv.h index aa5306f40201..594ad9cbc2cc 100644 --- a/drivers/media/dvb-frontends/m88ds3103_priv.h +++ b/drivers/media/dvb-frontends/m88ds3103_priv.h @@ -10,7 +10,7 @@ #include #include "m88ds3103.h" -#include +#include #include #include #include diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c index 2ce5692bc22c..db2921c736af 100644 --- a/drivers/media/dvb-frontends/mn88443x.c +++ b/drivers/media/dvb-frontends/mn88443x.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include #include "mn88443x.h" diff --git a/drivers/media/dvb-frontends/mn88472_priv.h b/drivers/media/dvb-frontends/mn88472_priv.h index 337562723f88..41f14bd67bfd 100644 --- a/drivers/media/dvb-frontends/mn88472_priv.h +++ b/drivers/media/dvb-frontends/mn88472_priv.h @@ -9,7 +9,7 @@ #define MN88472_PRIV_H #include -#include +#include #include "mn88472.h" #include #include diff --git a/drivers/media/dvb-frontends/mn88473_priv.h b/drivers/media/dvb-frontends/mn88473_priv.h index eca7f4e2b769..e9daaacfa22f 100644 --- a/drivers/media/dvb-frontends/mn88473_priv.h +++ b/drivers/media/dvb-frontends/mn88473_priv.h @@ -9,7 +9,7 @@ #define MN88473_PRIV_H #include -#include +#include #include "mn88473.h" #include #include diff --git a/drivers/media/dvb-frontends/or51132.c b/drivers/media/dvb-frontends/or51132.c index 24de1b115158..355f3598627b 100644 --- a/drivers/media/dvb-frontends/or51132.c +++ b/drivers/media/dvb-frontends/or51132.c @@ -27,7 +27,7 @@ #include #include -#include +#include #include #include "or51132.h" diff --git a/drivers/media/dvb-frontends/or51211.c b/drivers/media/dvb-frontends/or51211.c index ddcaea5c9941..ae732dc5116e 100644 --- a/drivers/media/dvb-frontends/or51211.c +++ b/drivers/media/dvb-frontends/or51211.c @@ -26,7 +26,7 @@ #include #include -#include +#include #include #include "or51211.h" diff --git a/drivers/media/dvb-frontends/rtl2830_priv.h b/drivers/media/dvb-frontends/rtl2830_priv.h index fae78ed78522..ae1fc24a4d84 100644 --- a/drivers/media/dvb-frontends/rtl2830_priv.h +++ b/drivers/media/dvb-frontends/rtl2830_priv.h @@ -9,7 +9,7 @@ #define RTL2830_PRIV_H #include -#include +#include #include "rtl2830.h" #include #include diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h index 5f79f95b9475..f11ba038d5f0 100644 --- a/drivers/media/dvb-frontends/rtl2832_priv.h +++ b/drivers/media/dvb-frontends/rtl2832_priv.h @@ -14,7 +14,7 @@ #include #include -#include +#include #include "rtl2832.h" struct rtl2832_dev { diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index 72810efd1a96..434d003bf397 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -19,7 +19,7 @@ #include #include -#include +#include #include "si2165_priv.h" #include "si2165.h" diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c index 95e376f23506..a93f40617469 100644 --- a/drivers/media/dvb-frontends/stv0367.c +++ b/drivers/media/dvb-frontends/stv0367.c @@ -15,7 +15,7 @@ #include #include -#include +#include #include "stv0367.h" #include "stv0367_defs.h" diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c index 879f028f9682..1f8cbf45554a 100644 --- a/drivers/media/dvb-frontends/tc90522.c +++ b/drivers/media/dvb-frontends/tc90522.c @@ -21,7 +21,7 @@ #include #include #include -#include +#include #include "tc90522.h" #define TC90522_I2C_THRU_REG 0xfe diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c index 0b3f6999515e..3cb4e5270e4f 100644 --- a/drivers/media/dvb-frontends/tda10048.c +++ b/drivers/media/dvb-frontends/tda10048.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include "tda10048.h" #define TDA10048_DEFAULT_FIRMWARE "dvb-fe-tda10048-1.0.fw" diff --git a/include/media/dvb_math.h b/include/linux/int_log.h similarity index 92% rename from include/media/dvb_math.h rename to include/linux/int_log.h index 8690ec42954d..332306202464 100644 --- a/include/media/dvb_math.h +++ b/include/linux/int_log.h @@ -1,6 +1,5 @@ /* - * dvb-math provides some complex fixed-point math - * operations shared between the dvb related stuff + * Provides fixed-point logarithm operations. * * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com) * @@ -15,8 +14,8 @@ * GNU Lesser General Public License for more details. */ -#ifndef __DVB_MATH_H -#define __DVB_MATH_H +#ifndef __LINUX_INT_LOG_H +#define __LINUX_INT_LOG_H #include diff --git a/lib/math/Makefile b/lib/math/Makefile index bfac26ddfc22..91fcdb0c9efe 100644 --- a/lib/math/Makefile +++ b/lib/math/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y += div64.o gcd.o lcm.o int_pow.o int_sqrt.o reciprocal_div.o +obj-y += div64.o gcd.o lcm.o int_log.o int_pow.o int_sqrt.o reciprocal_div.o obj-$(CONFIG_CORDIC) += cordic.o obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o diff --git a/drivers/media/dvb-core/dvb_math.c b/lib/math/int_log.c similarity index 95% rename from drivers/media/dvb-core/dvb_math.c rename to lib/math/int_log.c index dc90564d7f34..322df25a22d6 100644 --- a/drivers/media/dvb-core/dvb_math.c +++ b/lib/math/int_log.c @@ -1,6 +1,5 @@ /* - * dvb-math provides some complex fixed-point math - * operations shared between the dvb related stuff + * Provides fixed-point logarithm operations. * * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com) * @@ -16,10 +15,12 @@ */ #include +#include +#include #include -#include +#include + #include -#include static const unsigned short logtable[256] = { 0x0000, 0x0171, 0x02e0, 0x044e, 0x05ba, 0x0725, 0x088e, 0x09f7, @@ -53,7 +54,7 @@ static const unsigned short logtable[256] = { 0xe82a, 0xe8ef, 0xe9b3, 0xea77, 0xeb3b, 0xebfe, 0xecc1, 0xed83, 0xee45, 0xef06, 0xefc8, 0xf088, 0xf149, 0xf209, 0xf2c8, 0xf387, 0xf446, 0xf505, 0xf5c3, 0xf680, 0xf73e, 0xf7fb, 0xf8b7, 0xf973, - 0xfa2f, 0xfaea, 0xfba5, 0xfc60, 0xfd1a, 0xfdd4, 0xfe8e, 0xff47 + 0xfa2f, 0xfaea, 0xfba5, 0xfc60, 0xfd1a, 0xfdd4, 0xfe8e, 0xff47, }; unsigned int intlog2(u32 value)