From nobody Sat Feb 7 12:19:40 2026 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 85B6FC7EE2F for ; Sat, 10 Jun 2023 13:59:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234890AbjFJN7X (ORCPT ); Sat, 10 Jun 2023 09:59:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234837AbjFJN7T (ORCPT ); Sat, 10 Jun 2023 09:59:19 -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 8FB843A8D; Sat, 10 Jun 2023 06:59:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2532C61780; Sat, 10 Jun 2023 13:59:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81A0BC433EF; Sat, 10 Jun 2023 13:59:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686405557; bh=r2nZ+Dp5sLB+eA2+ktaJ93Xu1HnbfaQUAPVK/Aud2iE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=nUx9mJ4eUlXfKpFAatGtm+sNNM1mf5QQloEupuf9ddoeAY2eCPA+r5fKhW35vjnH6 NPdgyRVk1a4uW8H2LBrXVTXzHwBCQU+E3fSPQ3o6WTMZftkf+6iWW8RqrrkqgnU/H6 UuRimpEb8ohhwIwBLlJ4g63BL9ILE064JWZahTAS3fXwy37jzhYnoenLXV3Qusc2jI uVgw5fBEs8Dlzsgoh5u5TJl/k17p5wMJliCA5N4lAxdZ+6wEn5kfMM3C0t8HN0d1P6 zaKOScarcEQiJQWJIeWfvwtWNTBXe4OsuLHi/CvHpPdMoFKvbNQO8OVyiaSA0ifOBN McLs+vCWBqtXA== From: Mark Brown Date: Sat, 10 Jun 2023 14:59:07 +0100 Subject: [PATCH 1/5] hwmon: (lm75) Use maple tree register cache MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230609-hwmon-maple-v1-1-8edacce86b28@kernel.org> References: <20230609-hwmon-maple-v1-0-8edacce86b28@kernel.org> In-Reply-To: <20230609-hwmon-maple-v1-0-8edacce86b28@kernel.org> To: Jean Delvare , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.13-dev-bfdf5 X-Developer-Signature: v=1; a=openpgp-sha256; l=896; i=broonie@kernel.org; h=from:subject:message-id; bh=r2nZ+Dp5sLB+eA2+ktaJ93Xu1HnbfaQUAPVK/Aud2iE=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBkhIGuxKafR5J8kRn/CCg71JhC2O2o3IhKMIxFtTwP MmKmSA+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZISBrgAKCRAk1otyXVSH0BZDB/ wJDok0Ddrw5mpOlUX1+wCJxWxRu9mdEdi2H9gkKz0ng6HcP7byldpJJlWlmEKM/yudAUw+65GzQyc9 Lkvlz80FV3n7KEOkJ+TVEBf+3g5YiDIivT6bFySeXck0h54P/F5ocpJSLIu6yU6qFb68FdF4xm9ksx S/Q5rMzF+/M8O22+kmexktizPvOvBaz5Fs4AgXUoVbgXYUrO5yPzIWnBgxw3Xzl3WcWf08o/vbwKIe XDcJDnoMN4zlrT/fQMp+o+gohtP8pqPwjDZadrqfIEDXjL4yTOub5nAl1w9kO1MYx8sCKX0Ri509fs rpmw7GXVpZvD3g66pmsuXCsM1jXfb1 X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The lm75 is only capable of performing single register read and write operations which means it gains no advantage from using a rbtree register cache, convert it to using the more modern maple tree register cache instead. This should be more efficient. Signed-off-by: Mark Brown --- drivers/hwmon/lm75.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index dbb99ea4a0ec..ab73b9af5c71 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -548,7 +548,7 @@ static const struct regmap_config lm75_regmap_config = =3D { .writeable_reg =3D lm75_is_writeable_reg, .volatile_reg =3D lm75_is_volatile_reg, .val_format_endian =3D REGMAP_ENDIAN_BIG, - .cache_type =3D REGCACHE_RBTREE, + .cache_type =3D REGCACHE_MAPLE, .use_single_read =3D true, .use_single_write =3D true, }; --=20 2.30.2