From nobody Thu Dec 18 11:46:00 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 CAFC91E47B4; 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=1739346758; cv=none; b=g99BfeKha0vqWY4kAS2NxpvPU6vWy2zYJOJIw9ZhaiT5KyvV18a5QYtN6fEEPddM89T/HESmx00/m4lpipZ0pttQ2900z5KuvaggKXkS1bCip2uvHw8eDgxkTQxyOZJNk4uKh0A5kGNrqIFMpHaWprf35XDejm9lntO6XXRh/nE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739346758; c=relaxed/simple; bh=SYspyQSNBGb/WGFO6iGgh16RmnUcKmnlPNY/pj+oXAw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=b1Vk2t5LqSVXjwY5R+qpPP8gGf4P7GuCsBIDQyUdLgt0kJEEHb104IqAxgbbmYgPmaJXDiTljw5rBhstvIEefOwk7Yudnt9afDSp87ya7MOUnEZFuzz/VLeS0jrJzxTlW1Lzmjc9OV/v95a1ZizqVNtx9+Gkrk/6i9/rz20mqFQ= 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 JZM00030; Wed, 12 Feb 2025 15:52:30 +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 15:52:31 +0800 From: Bo Liu To: , CC: , , Bo Liu Subject: [PATCH 2/4] iio: accel: bma400: convert to use maple tree register cache Date: Wed, 12 Feb 2025 02:52:21 -0500 Message-ID: <20250212075223.4164-3-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: 2025212155230d3cb15f5a794ef806036e1ea2d261c20 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/bma400_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_cor= e.c index ae806ed60271..23f5e1ce9cc4 100644 --- a/drivers/iio/accel/bma400_core.c +++ b/drivers/iio/accel/bma400_core.c @@ -190,7 +190,7 @@ const struct regmap_config bma400_regmap_config =3D { .reg_bits =3D 8, .val_bits =3D 8, .max_register =3D BMA400_CMD_REG, - .cache_type =3D REGCACHE_RBTREE, + .cache_type =3D REGCACHE_MAPLE, .writeable_reg =3D bma400_is_writable_reg, .volatile_reg =3D bma400_is_volatile_reg, }; --=20 2.31.1