From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3996C3DA6F for ; Fri, 25 Aug 2023 09:17:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:Cc:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gw1cmJWYIKV3Il62ZPwDakHRYMtGKz5e9UMI12R/qac=; b=oYwQCCqENp1QfMKdG1SZCq+cbY 59thuYuGzVEY1W10qFKqfY0jzZlMnc1uKlszzyh7KQFYQMD975sbPBWK087B90uuMyTEUvOO7SepJ WMHnm4iuVBVcXaqJybrdLDq4ujkeoZ0X6pmoJK+mXHPV2cdCCx7BHoiX/vh+8FmevWX9s+QRYmRNN uUjLfc/GMEVVY7ydpVH0ii/uC4k0x0n6gGcfPcToCxIGl8pKgw/npMr3VpPCIrA0UFkaL2giFgYz9 dchv4JlBw5pNZ/6xFMnUSs8yCvw32GNmEzdutDu4K+YCOY6IyFwh97PKQqYLRfxkT3dFlTZiG2dYj CirfnrKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qZSwz-004iVr-14; Fri, 25 Aug 2023 09:17:53 +0000 Received: from mail-m11880.qiye.163.com ([115.236.118.80]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qZSwv-004iVP-36; Fri, 25 Aug 2023 09:17:51 +0000 Received: from [172.16.12.69] (unknown [58.22.7.114]) by mail-m11880.qiye.163.com (Hmail) with ESMTPA id 1755920328; Fri, 25 Aug 2023 17:17:34 +0800 (CST) Message-ID: <769a67cb-1b32-fd4f-b37e-e3ec4dab5eb9@rock-chips.com> Date: Fri, 25 Aug 2023 17:17:34 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Cc: shawn.lin@rock-chips.com, angelogioacchino.delregno@collabora.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-mmc@vger.kernel.org, matthias.bgg@gmail.com, ulf.hansson@linaro.org, wsd_upstream@mediatek.com Subject: Re: [PATCH 1/1] mmc: Set optimal I/O size when mmc_setip_queue Content-Language: en-GB To: Sharp.Xia@mediatek.com References: <20230825083918.24334-1-Sharp.Xia@mediatek.com> From: Shawn Lin In-Reply-To: <20230825083918.24334-1-Sharp.Xia@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQxlLTlYfSk4dSB9CH0lMHkxVEwETFh oSFyQUDg9ZV1kYEgtZQVlOQ1VJSVVMVUpKT1lXWRYaDxIVHRRZQVlPS0hVSk1PSUxOVUpLS1VKQk tLWQY+ X-HM-Tid: 0a8a2bfc111e2eb6kusn1755920328 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PVE6Mzo*TD1CMz8rGj8PCx5P CktPCwpVSlVKTUJJQk5OS05PQk1PVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUlPT003Bg++ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230825_021750_212506_64ED9E60 X-CRM114-Status: UNSURE ( 7.84 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 2023/8/25 16:39, Sharp.Xia@mediatek.com wrote: > On Fri, 2023-08-25 at 16:11 +0800, Shawn Lin wrote: >> >> Hi Sharp, ... >>> 1024 >>> > Hi Shawn, > > What is your readahead value before and after applying this patch? > The original readahead is 128, and after applying the patch is 1024 cat /d/mmc0/ios clock: 200000000 Hz actual clock: 200000000 Hz vdd: 18 (3.0 ~ 3.1 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 10 (mmc HS400 enhanced strobe) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) The driver I used is sdhci-of-dwcmshc.c with a KLMBG2JETDB041 eMMC chip.