From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f175.google.com (mail-lj1-f175.google.com [209.85.208.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 270BE188713; Fri, 14 Feb 2025 06:36:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739514980; cv=none; b=cr6bCsaT5TsCy5hCwyImItXsVB/zswW6sVRTrNqrBdYq7WFhDyzQPigeXzt1a21SrJ9DqYWDrYAD9vRITpxTXAJ98LtkIutDy6K+y7V13uw/Yq0eHWiRgisbPFPwLzpjkASxKYmD3y1HPv4CUlErCofKgx/oiUN7n5sy2FzIW4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739514980; c=relaxed/simple; bh=dYpkevYzawbzjUuruy7i8kw1spl4TjUm5dcxUK0Hjlw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cUkB2gKM4javy+gpzgoW6JcNrWWMz2Q0qg5gLdcv5qX8pnnoqla3CljgEfk5SKK8n1HCbcCMUX7woO5wCeGr4+wKPtcHDSaZJOr41lstpEThlA2hTaWe2Gs2rkzO5CJVLKEjFtCHs50D8GE9XMnVR/yOrjuRzPXZ2yW1gmLVikQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ef7FfXMf; arc=none smtp.client-ip=209.85.208.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ef7FfXMf" Received: by mail-lj1-f175.google.com with SMTP id 38308e7fff4ca-30737db1ab1so17543701fa.1; Thu, 13 Feb 2025 22:36:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1739514975; x=1740119775; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=5UIqO0+pohQOFJGHr9iSuTHJlFXGJf4NaATqUI/o3Oc=; b=ef7FfXMfnxfwUVF0VKSijMG5STdSMHGokFsFb0RC6Jo+G/dRR1PVLQOFsrsC6ELnEa uTBM+GowjS0bIUALPXZdH5ItWXEhEp5EmWoD64VYNDJK1z9RASAekd/4Zs8TYD4FDlo4 dZHxZsQBklQ/VSLYv8qGp8SlhkTl7ZsjR4tMKhiTFH3pgI8/yMEI3fKLgev7g2kHlYku r3Kwj56L9CuB7240hMJmTNm/DnYEp4+OzpaUAY51jD8njYB4La5F/72G3ahvAQYxZz7x fUIRHV/GCGrYg2K3cTYtK1N4IN6oyI0C6oHHFWlei5Kv31lTtzKc4HreFJEAq+Oy1A+4 OHaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739514975; x=1740119775; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5UIqO0+pohQOFJGHr9iSuTHJlFXGJf4NaATqUI/o3Oc=; b=DDOlAjMnipShQZsoykv90kuxIVSTkSZk6Y8x0eC0ClAO+L/6FJZ4Qys6gBuEkB4CQW C2kbTYOtkogUqiHb3X4ciqDKWqGA0TOU46H750RXg5L37LZteIjR38UlSMB2Y8zNOXlj YzYGbx+YQPi9zXgqax/0xWcNxHYKstlyrIUyWbNg04warpFKYkB0fV5/F1YmlOZmIc3S 9qgg4c+3zj5GPTyWboa/HeW5l8H7+emHGtwHjgpN6JJ6nvcfj/gQN0a6Yp8SP0EYxHlw 6qhjch8cIsKbsQ3gMto1Q55fx8bXPoozHJDQaIqw0dNbDAg+8wZCtmPUKXxGx+J/y1Dv /JIA== X-Forwarded-Encrypted: i=1; AJvYcCXZp7WOW91sk0HvhFwa7f+rxn9xfZC6Hd3h8dwxyIcee2UEqdE8298AhFa2MMEtoXP3YNnNUiFICjh0H1I=@vger.kernel.org X-Gm-Message-State: AOJu0YxE64+YOjcIzow2b4G5YoUoVQxLnA9GwpK54fYHC7J9P090UpzX q8YNgy8n9sM8EJhEH1dNUUtSEVj82ibq5PovOiPI4DQGdZfachNBWscIMA== X-Gm-Gg: ASbGncvKLJDQCLPhVXcfy+j2qQVcdoiEZc+m+9+Bx2W8Dv7LNkCmqCpDHFy2JunRBqz zuUy98bcO6mxds+aZ1cuHqT34YwJ1H7TgO40nkAyqjMLiaNMhgureXkeKX1uJL3gOFxrIBl86jp eiJUB8V+deCArQqX9cr03Z7xruMdgodgf59rAFX+5fHi1pLKHxKFRTgwzhDA7PefH1OS7ZqKQlo qfjrIZ5cUsLP/ws+clfJmDCQIrfZEfNP9Qa1JmkUzWhPsp5yMEq2+3VWhbmYja9Ldy4jxNKVeHz BiasdxbdD+qKdH0IJ0hzq8HvCZ7zrJ9rNu+aNbeuHDjyn5AkmWT467RGOkC7ph9JzeOsRwkq X-Google-Smtp-Source: AGHT+IFaOJo3v4LhMGF4ewT3naC4Ib+LGAuBQf+d3PbR82W+sX87qdzIBqRR7jCzWyjYutK/65aKZg== X-Received: by 2002:a2e:914b:0:b0:309:bc3:3b01 with SMTP id 38308e7fff4ca-3090bc341d3mr18686131fa.0.1739514974887; Thu, 13 Feb 2025 22:36:14 -0800 (PST) Received: from ?IPV6:2a10:a5c0:800d:dd00:8fdf:935a:2c85:d703? ([2a10:a5c0:800d:dd00:8fdf:935a:2c85:d703]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3091011ed69sm4569271fa.49.2025.02.13.22.36.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Feb 2025 22:36:14 -0800 (PST) Message-ID: Date: Fri, 14 Feb 2025 08:36:12 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] iio: accel: kx022a: convert to use maple tree register cache To: Bo Liu , dan@dlrobertson.com, jic23@kernel.org Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250212075223.4164-1-liubo03@inspur.com> <20250212075223.4164-5-liubo03@inspur.com> Content-Language: en-US, en-AU, en-GB, en-BW From: Matti Vaittinen In-Reply-To: <20250212075223.4164-5-liubo03@inspur.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/02/2025 09:52, Bo Liu wrote: > 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 Acked-by: Matti Vaittinen > --- > drivers/iio/accel/kionix-kx022a.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/iio/accel/kionix-kx022a.c b/drivers/iio/accel/kionix-kx022a.c > index 5aeb3b951ac5..3a56ab00791a 100644 > --- a/drivers/iio/accel/kionix-kx022a.c > +++ b/drivers/iio/accel/kionix-kx022a.c > @@ -149,7 +149,7 @@ static const struct regmap_config kx022a_regmap_config = { > .rd_noinc_table = &kx022a_nir_regs, > .precious_table = &kx022a_precious_regs, > .max_register = KX022A_MAX_REGISTER, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > /* Regmap configs kx132 */ > @@ -260,7 +260,7 @@ static const struct regmap_config kx132_regmap_config = { > .rd_noinc_table = &kx132_nir_regs, > .precious_table = &kx132_precious_regs, > .max_register = KX132_MAX_REGISTER, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > struct kx022a_data {