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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v184-20020a6389c1000000b0040d22b45aadsi12982486pgd.459.2022.07.25.02.36.56; Mon, 25 Jul 2022 02:37:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=mRs5TGOr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233562AbiGYJc5 (ORCPT + 99 others); Mon, 25 Jul 2022 05:32:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229822AbiGYJcz (ORCPT ); Mon, 25 Jul 2022 05:32:55 -0400 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5354716597; Mon, 25 Jul 2022 02:32:54 -0700 (PDT) Received: by mail-ej1-x629.google.com with SMTP id ez10so19359188ejc.13; Mon, 25 Jul 2022 02:32:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=H6BGHgFdbJL+XS6vYiSuVnkczhHrzWWLIlSkEvWwevA=; b=mRs5TGOr+9XVbblTmcGNpZIU6o5rQVIWK1UUQxpPQolkg3gs+G9PBv4TlqngSGX/OG FEXH7z75Doc/WOKaHYerbb4b5uYI2+1aZFSYZSrTcmnEsIsHK/yefGZ3ldKb3qpXVkG+ wHLAXHD6QiJX/KjYwOA4/3fufcB6vDTr5Sr0sxecqcJqfWTLuV1FzlU+i7u8jtPl3G1J lb+hxLLE1UoCUGxOlPSUt4/QungXuZErJp2sVTDhO8gEwnP/IpI9JG37SbnMbrWgJ9vl yWXtDf81G4HH5EykcGYv/bq/cKM8ic/jbkb8EOPdRB7VBGXqgMaa5A7AVpQuUv9N7m4x syOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=H6BGHgFdbJL+XS6vYiSuVnkczhHrzWWLIlSkEvWwevA=; b=y4f+HVU9rS3yiv/4P+jJdeq+otHAZWrHGOkCB+jaiztcM/AovgpTKxw+0L28kbtci0 J/6dbh5nfqzXIiEyI32us9hZoR6fmLc6wTB1uVbbXZaeQta1HyILAbetpODVLVjKov1D LXByvZGXlhaMb21gAWTRpOe1R/vHxXehfMtCXVgXs0epJqzxrWX7HjyCfyO3y2yaZ4S/ UlJdH6qFKW+sAsjsYtUJ/H6dAOZkXeR1/tGPJPlPFVWxpG05spQL0//IlOh3f5jPdwzQ //MbV7GH4dTFge7XCIn6PozJvtkkLup/hiVkum1xhwWAN9p4Z6GA06jAqGASKXMDv7DF 0ETA== X-Gm-Message-State: AJIora8kZN58RN0vH8rabpr3rEG/nSUPE2MeVOzroZFcHz470CZiJXVy zKeq9qSgphufAKgCd45xtCe060dbGPBBvuLkEIo= X-Received: by 2002:a17:907:a063:b0:72b:52f7:feea with SMTP id ia3-20020a170907a06300b0072b52f7feeamr9471309ejc.740.1658741572658; Mon, 25 Jul 2022 02:32:52 -0700 (PDT) MIME-Version: 1.0 References: <20220721093422.2173982-1-marcus.folkesson@gmail.com> In-Reply-To: <20220721093422.2173982-1-marcus.folkesson@gmail.com> From: Andy Shevchenko Date: Mon, 25 Jul 2022 11:32:16 +0200 Message-ID: Subject: Re: [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094 To: Marcus Folkesson Cc: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Maxime Ripard , "open list:GPIO SUBSYSTEM" , devicetree , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 21, 2022 at 11:32 AM Marcus Folkesson wrote: > > 74hc4094 and 75hc4094 works similar to 74x164 but has an additional > storage latch associated with each stage for strobing data from the > serial input to parallell buffer tri-state output. parallel > Add support for an optional strobe pin. Sorry for my absence of understanding, but why? SPI has MOSI, CLK, CS, where the last one is exactly for that. No? -- With Best Regards, Andy Shevchenko