From nobody Thu Dec 18 11:46:01 2025 Received: from ssh248.corpemail.net (ssh248.corpemail.net [210.51.61.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41BC0204691; Wed, 12 Feb 2025 07:52:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.51.61.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739346759; cv=none; b=ng2DtqM6SMHiRVsgGpCFe6Ti+mtT6rV5CsyPSyrKxsSbJjHE+PK0WStf10Yi4D2H1CyPM5xmRPG9UKfIzCUFKoaO8/1u+lWitNQ1PA49kNMXOxn4a7TgvmlS3tA0Zhv10iAtaUCdHf+zoq7MfCADy9tGzf7Cp/JtnuGN37wJ0v0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739346759; c=relaxed/simple; bh=vdMCZmMwLvojqlQevhSCmfhyYF28/13RA6CgmxUc/3I=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=P4py+rEnOETwu19FK3FXlVNxtijL6VRK2CjuXKbfHBm+Vy2H9hRpqrWruP/QVWPTnWlB9MZ9N3g7dst0G7nzg4ao6W4FCa+s9YxTVb+aFyTwkBuGiRgCX0niRVlHQQMlx6bj5ByvI9t+cotZEjSQpt8ldbjIgfRilDqfFPSC1Jg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=inspur.com; spf=pass smtp.mailfrom=inspur.com; arc=none smtp.client-ip=210.51.61.248 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=inspur.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=inspur.com Received: from ssh248.corpemail.net by ssh248.corpemail.net ((D)) with ASMTP (SSL) id JZM00029; Wed, 12 Feb 2025 15:52:29 +0800 Received: from localhost.localdomain (10.94.15.56) by jtjnmail201609.home.langchao.com (10.100.2.9) with Microsoft SMTP Server id 15.1.2507.39; Wed, 12 Feb 2025 15:52:30 +0800 From: Bo Liu To: , CC: , , Bo Liu Subject: [PATCH 1/4] iio: accel: msa311: convert to use maple tree register cache Date: Wed, 12 Feb 2025 02:52:20 -0500 Message-ID: <20250212075223.4164-2-liubo03@inspur.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: <20250212075223.4164-1-liubo03@inspur.com> References: <20250212075223.4164-1-liubo03@inspur.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 tUid: 20252121552292362f648069df6e783a35677e747e940 X-Abuse-Reports-To: service@corp-email.com Abuse-Reports-To: service@corp-email.com X-Complaints-To: service@corp-email.com X-Report-Abuse-To: service@corp-email.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: Bo Liu --- drivers/iio/accel/msa311.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/msa311.c b/drivers/iio/accel/msa311.c index e7fb860f3233..fe4c32a9558a 100644 --- a/drivers/iio/accel/msa311.c +++ b/drivers/iio/accel/msa311.c @@ -332,7 +332,7 @@ static const struct regmap_config msa311_regmap_config = =3D { .wr_table =3D &msa311_writeable_table, .rd_table =3D &msa311_readable_table, .volatile_table =3D &msa311_volatile_table, - .cache_type =3D REGCACHE_RBTREE, + .cache_type =3D REGCACHE_MAPLE, }; =20 #define MSA311_GENMASK(field) ({ \ --=20 2.31.1