From patchwork Tue Feb 6 07:13:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bo Liu X-Patchwork-Id: 13546742 X-Patchwork-Delegate: geert@linux-m68k.org 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 7F8FF12AAF8; Tue, 6 Feb 2024 07:13:46 +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=1707203628; cv=none; b=a0w5G9+etGM41GlCQ8kwWtQh5+Rv18lDnpKq108ZVKPhVBL+m6UB1+ciUMuyLR90TgdHB+RyNfm85t+gKPj33xLmy7uzbkllKB+Iqfvuh6KfTverz27SsmzrXOBeC1HxcKLJzTOwSibAPhcsKhC+aZS4KzxUV55FlmAP5JfW9r8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707203628; c=relaxed/simple; bh=s4eu32UCJBPeQCZc1mgIC+BDNYdhL5EOEJEiAFIlWXc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fvQw01Hza8jKoW56ESCjKFPpXK2rc85elw/v2j3wqhsH0rDvM9SkmEGahF5HyfV/ygwTtem+6avlbNb6Xq62VKKuCksrPwxwZ9IoO1GBWxxndp6Oz3GGRJSmmoD58T0tPj6HSYJzOvTWqSYfa+BoReWl2O5NmzETVIBAF+WdZVk= 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 CZT00040; Tue, 06 Feb 2024 15:13:40 +0800 Received: from localhost.localdomain.com (10.73.45.222) by jtjnmail201602.home.langchao.com (10.100.2.2) with Microsoft SMTP Server id 15.1.2507.34; Tue, 6 Feb 2024 15:13:40 +0800 From: Bo Liu To: , , , , , , , , , CC: , , , , , , Bo Liu Subject: [PATCH 09/18] mfd: lochnagar-i2c: convert to use maple tree register cache Date: Tue, 6 Feb 2024 02:13:05 -0500 Message-ID: <20240206071314.8721-10-liubo03@inspur.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: <20240206071314.8721-1-liubo03@inspur.com> References: <20240206071314.8721-1-liubo03@inspur.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 tUid: 2024206151340dc7b47325e1d94996cd6585e6dd71cab 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 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 Tested-by: Charles Keepax Reviewed-by: Charles Keepax --- drivers/mfd/lochnagar-i2c.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/lochnagar-i2c.c b/drivers/mfd/lochnagar-i2c.c index 0b76fcccd0bd..6c930c57f2e2 100644 --- a/drivers/mfd/lochnagar-i2c.c +++ b/drivers/mfd/lochnagar-i2c.c @@ -70,7 +70,7 @@ static const struct regmap_config lochnagar1_i2c_regmap = { .use_single_read = true, .use_single_write = true, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static const struct reg_sequence lochnagar1_patch[] = { @@ -163,7 +163,7 @@ static const struct regmap_config lochnagar2_i2c_regmap = { .readable_reg = lochnagar2_readable_register, .volatile_reg = lochnagar2_volatile_register, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static const struct reg_sequence lochnagar2_patch[] = {