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[209.132.180.67]) by mx.google.com with ESMTP id v12si22136423pfe.11.2019.04.25.06.04.42; Thu, 25 Apr 2019 06:05:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@nbd.name header.s=20160729 header.b=WSB2R0Du; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726155AbfDYKHI (ORCPT + 99 others); Thu, 25 Apr 2019 06:07:08 -0400 Received: from nbd.name ([46.4.11.11]:36800 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726076AbfDYKHH (ORCPT ); Thu, 25 Apr 2019 06:07:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=aCu7cZcASxjelxEavgpdZt9pswYu1SCCdBYZgLiHbco=; b=WSB2R0DuWSA3gLUrcoDF/aZk0X I8W2/1ETY2uG6YhDS6LuvC6WYMYts2wiX28NzyX2igBOnauJKFWnXaylFitXRetNTUzFjdLsSoECZ dlwSfWrkg8X6DzQECJhfY8BXXpi51trSGQ48BvxQmklTkgenIo3J5azq9Btr+dCsCMuk=; Received: from p54ae9e78.dip0.t-ipconnect.de ([84.174.158.120] helo=nf.local) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1hJbHW-0000Ta-FR; Thu, 25 Apr 2019 12:07:06 +0200 Subject: Re: [PATCH v3 0/4] Add support for MediaTek MT7615 wireless chipsets To: Ryder Lee , Lorenzo Bianconi Cc: Roy Luo , Sean Wang , Nelson Chang , YF Luo , Kai Lin , Rorscha Yang , Kyle Lee , Miller Shen , Haipin Liang , KL Huang , YH chen , linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org References: From: Felix Fietkau Openpgp: preference=signencrypt Autocrypt: addr=nbd@nbd.name; prefer-encrypt=mutual; keydata= mQGiBEah5CcRBADIY7pu4LIv3jBlyQ/2u87iIZGe6f0f8pyB4UjzfJNXhJb8JylYYRzIOSxh ExKsdLCnJqsG1PY1mqTtoG8sONpwsHr2oJ4itjcGHfn5NJSUGTbtbbxLro13tHkGFCoCr4Z5 Pv+XRgiANSpYlIigiMbOkide6wbggQK32tC20QxUIwCg4k6dtV/4kwEeiOUfErq00TVqIiEE AKcUi4taOuh/PQWx/Ujjl/P1LfJXqLKRPa8PwD4j2yjoc9l+7LptSxJThL9KSu6gtXQjcoR2 vCK0OeYJhgO4kYMI78h1TSaxmtImEAnjFPYJYVsxrhay92jisYc7z5R/76AaELfF6RCjjGeP wdalulG+erWju710Bif7E1yjYVWeA/9Wd1lsOmx6uwwYgNqoFtcAunDaMKi9xVQW18FsUusM TdRvTZLBpoUAy+MajAL+R73TwLq3LnKpIcCwftyQXK5pEDKq57OhxJVv1Q8XkA9Dn1SBOjNB l25vJDFAT9ntp9THeDD2fv15yk4EKpWhu4H00/YX8KkhFsrtUs69+vZQwbQcRmVsaXggRmll dGthdSA8bmJkQG5iZC5uYW1lPohgBBMRAgAgBQJGoeQnAhsjBgsJCAcDAgQVAggDBBYCAwEC HgECF4AACgkQ130UHQKnbvXsvgCgjsAIIOsY7xZ8VcSm7NABpi91yTMAniMMmH7FRenEAYMa VrwYTIThkTlQuQINBEah5FQQCACMIep/hTzgPZ9HbCTKm9xN4bZX0JjrqjFem1Nxf3MBM5vN CYGBn8F4sGIzPmLhl4xFeq3k5irVg/YvxSDbQN6NJv8o+tP6zsMeWX2JjtV0P4aDIN1pK2/w VxcicArw0VYdv2ZCarccFBgH2a6GjswqlCqVM3gNIMI8ikzenKcso8YErGGiKYeMEZLwHaxE Y7mTPuOTrWL8uWWRL5mVjhZEVvDez6em/OYvzBwbkhImrryF29e3Po2cfY2n7EKjjr3/141K DHBBdgXlPNfDwROnA5ugjjEBjwkwBQqPpDA7AYPvpHh5vLbZnVGu5CwG7NAsrb2isRmjYoqk wu++3117AAMFB/9S0Sj7qFFQcD4laADVsabTpNNpaV4wAgVTRHKV/kC9luItzwDnUcsZUPdQ f3MueRJ3jIHU0UmRBG3uQftqbZJj3ikhnfvyLmkCNe+/hXhPu9sGvXyi2D4vszICvc1KL4RD aLSrOsROx22eZ26KqcW4ny7+va2FnvjsZgI8h4sDmaLzKczVRIiLITiMpLFEU/VoSv0m1F4B FtRgoiyjFzigWG0MsTdAN6FJzGh4mWWGIlE7o5JraNhnTd+yTUIPtw3ym6l8P+gbvfoZida0 TspgwBWLnXQvP5EDvlZnNaKa/3oBes6z0QdaSOwZCRA3QSLHBwtgUsrT6RxRSweLrcabiEkE GBECAAkFAkah5FQCGwwACgkQ130UHQKnbvW2GgCfTKx80VvCR/PvsUlrvdOLsIgeRGAAn1ee RjMaxwtSdaCKMw3j33ZbsWS4 Message-ID: <98c68ec4-bedb-cf6a-9221-eb82a2497e6c@nbd.name> Date: Thu, 25 Apr 2019 12:07:05 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 2019-04-01 09:16, Ryder Lee wrote: > This adds support for MediaTek MT7615E 4x4 802.11ac PCIe-based chipsets. > > The series is based on the Lorenzo's patches: > https://patchwork.kernel.org/project/linux-wireless/list/?series=95969 > > In the legacy tx arch, we move and store the whole skb content to the > on-device memory when we send packets via high speed interface. (e.g. PCIe) > > However, MT7615 and the following generation use a new tx arch called > “cut-through”, which only passes the physical address to the hardware, > and the packet engine will fetch the packets before transmission. > > It saves on-chip memory for high throughput devices, and the token mechanism > is used to manage the release of skb under this arch. > > And there might be other (existing or future) chips that use the same driver > (e.g. mt7622/mt7663...), this is a starting point to unify MTK wireless chipsets. > > Detailed hardware information for this chip could be found on > https://wikidevi.com/wiki/MediaTek_MT7615 > > Ryder Lee (4): > mt76: add mac80211 driver for MT7615 PCIe-based chipsets > mt76: add unlikely() for dma_mapping_error() check > mt76: use macro for sn and seq_ctrl conversion > MAINTAINERS : update entry for mt76 wireless driver Applied, thanks. - Felix