From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 345DCEB64DC for ; Mon, 3 Jul 2023 06:15:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229988AbjGCGPh (ORCPT ); Mon, 3 Jul 2023 02:15:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229657AbjGCGPf (ORCPT ); Mon, 3 Jul 2023 02:15:35 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EB96BC; Sun, 2 Jul 2023 23:15:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 25EB660DB5; Mon, 3 Jul 2023 06:15:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61EA1C433C8; Mon, 3 Jul 2023 06:15:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688364933; bh=2mre+NpxhnM/j2ilzhpVesXfPxbXoHN0rR5zLU6NZP0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=vIzuonFHs7xO4B7zjPZ0guaugCZQyYPqQVubQIX1L76rEdEAhNfnPcuHjsngyVl22 3MVwlvlMwobNJmv+UNpysJH5eQi7a9sHKgYWdWnSHr6nvbgvKw5kcKTh0IAaLQ8+Gd DF3jPE3JksekXGCKStEQ6iZ4J6lLq1DJucmhoKwP6TnhNtc/vbJrJ8fNF7wwtJfFZ/ JHNwwk93WjQiCwOd2Z8dbnjNk56mJBrucwJElqDkdlKPPH+kxab/m932woGNGuFiW3 SQuxcz7WjXS9vdyIxhAcFwivDcnQnyJhSKZMZaqOznqFYFiq9LUtbHbztxQdyEB9q/ lGKAmuYxhqVxA== Date: Mon, 3 Jul 2023 08:15:25 +0200 From: Mauro Carvalho Chehab To: Andy Shevchenko Cc: Hans Verkuil , Uwe =?UTF-8?B?S2xlaW5lLUs=?= =?UTF-8?B?w7ZuaWc=?= , Mark Brown , David Lin , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Antti Palosaari , Sergey Kozlov , Abylay Ospan , Yasunari Takiguchi , Michael Krufky , Matthias Schwarzott , Akihiro Tsukada , Liam Girdwood , Jaroslav Kysela , Takashi Iwai Subject: Re: [PATCH v1 2/4] lib/math/int_log: Use ARRAY_SIZE(logtable) where makes sense Message-ID: <20230703081525.0fb45fde@sal.lan> In-Reply-To: <20230619172019.21457-3-andriy.shevchenko@linux.intel.com> References: <20230619172019.21457-1-andriy.shevchenko@linux.intel.com> <20230619172019.21457-3-andriy.shevchenko@linux.intel.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, 19 Jun 2023 20:20:17 +0300 Andy Shevchenko escreveu: > Use ARRAY_SIZE(logtable) where makes sense. > > Signed-off-by: Andy Shevchenko Reviewed-by: Mauro Carvalho Chehab > --- > 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 */