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 C35A2CD98C5 for ; Mon, 15 Jun 2026 13:41:34 +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:Cc:To:Subject: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=/JFdcv43vw4EPbj2pYJuXY1YO+uQmOnZRhQpYncm8gw=; b=k+aOHnkm6lY0ZuqTay9tGx10vH njLt+ApowmtH9PhQDO2UJHbciitl4yTsmgZO+XJwd2qQUbAZyghN8/8yCCxF5NHfqbWWglldTAV77 1ATiC+kbQaul5gyxYuewOr6Ajn98V8RrAg1wRDKvrVQ1FeLT2UuF2etLoN0lU7ZL7/9zcQMsOI1Ne ti2DmUrwj2SNru2hFT1cL9/9+2iBWTvwciH+0QUyXw2W/kYUHwi8Qvw1v1m53abM7RKprIEsKwXAn pkxooyHP3LIZgBaN+S2crayNgIarc8GXQ6muF885Lc9v5znsIKTxaiIhs5KYlwICDlEGkaBjNlDzt hObO77AQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ7ZF-0000000EKNY-12yQ; Mon, 15 Jun 2026 13:41:33 +0000 Received: from 011.lax.mailroute.net ([199.89.1.14]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ7ZC-0000000EKMG-1zeM; Mon, 15 Jun 2026 13:41:31 +0000 Received: from localhost (localhost [127.0.0.1]) by 011.lax.mailroute.net (Postfix) with ESMTP id 4gfB9Q02Lfz1XM6J5; Mon, 15 Jun 2026 13:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1781530882; x=1784122883; bh=/JFdcv43vw4EPbj2pYJuXY1Y O+uQmOnZRhQpYncm8gw=; b=EXbibQZNF4hEuQlmCeXwJOs2bhoV87jci/OzDfxH zD7i6mpQjepum+hLG6tVbQO83m7U0yYkSpSkDTuekvd5DZEVkxphx7daMUtjSK+1 mtEYY2+3uLJ1aenJ7OL8sZEP96UqQMfvA6kfaZOgF8I/6VjZURAr1YMjwzZutYAj E3wAok4+XrH5QSJ/Ee5PoTmEg8O1x1FsSEUjTp4+TMwUxVYG3Z0xhFZoKRHf+wgf CVedIOgcnJKPCYJ5RzFQNWgDuEqlDCK6sukqeKt8Dr7AP6ayjzjTxqFWp+sXIMuZ WfMYXN7L/GdBdzAzLFr1+Dc+zCRaIX3AY9U8SFktJEllag== X-Virus-Scanned: by MailRoute Received: from 011.lax.mailroute.net ([127.0.0.1]) by localhost (011.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id dnAFi-96rd81; Mon, 15 Jun 2026 13:41:22 +0000 (UTC) Received: from [192.168.51.14] (c-73-231-117-72.hsd1.ca.comcast.net [73.231.117.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 011.lax.mailroute.net (Postfix) with ESMTPSA id 4gfB982DHJz1XM5kW; Mon, 15 Jun 2026 13:41:15 +0000 (UTC) Message-ID: <88ccf330-28b9-4101-9f5f-c05130c75636@acm.org> Date: Mon, 15 Jun 2026 06:41:14 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/3] ufs: core: Add get_hba_nortt callback for vendor-specific RTT capability To: ed.tsai@mediatek.com, alim.akhtar@samsung.com, avri.altman@wdc.com, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, Matthias Brugger , AngeloGioacchino Del Regno Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wsd_upstream@mediatek.com, peter.wang@mediatek.com, alice.chao@mediatek.com, naomi.chu@mediatek.com, chun-hung.wu@mediatek.com References: <20260615055802.105479-1-ed.tsai@mediatek.com> <20260615055802.105479-2-ed.tsai@mediatek.com> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20260615055802.105479-2-ed.tsai@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260615_064130_528472_99C58F4C X-CRM114-Status: GOOD ( 10.04 ) 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 6/14/26 10:57 PM, ed.tsai@mediatek.com wrote: > The number of outstanding RTTs read from host controller capability > register is problematic on some platforms. Add a new vendor callback > get_hba_nortt() to allow platform vendors to override the default RTT > capability value with platform-specific handling. > > This patch keeps max_num_rtt field for bisectability and will be removed > in a later patch once all platforms are migrated. Reviewed-by: Bart Van Assche