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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4D1FC43334 for ; Mon, 25 Jul 2022 09:35:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233722AbiGYJf0 (ORCPT ); Mon, 25 Jul 2022 05:35:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233167AbiGYJfW (ORCPT ); Mon, 25 Jul 2022 05:35:22 -0400 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C951B7C9; Mon, 25 Jul 2022 02:35:21 -0700 (PDT) Received: by mail-ej1-x631.google.com with SMTP id mf4so19538848ejc.3; Mon, 25 Jul 2022 02:35:21 -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=bgUgJBvxAhuHvSfctuL9q0uW5q/+DZQMYz/lA7RIUCA=; b=MFyztQ19BRe9zdCrYubOitgMCBp8GI0b4DvplwRVcqISIBwwNIPlXI/4eAiwShhUa/ Pc4Ef4jempOLnPMXNwqkt0yah1WsDY81i6smP2bMtBPGVm0qm3SqTAtCLtJk6T1qJzT8 xVOZFWRMLFUWB1INy+EdHANpTgcip5GTaFvymbb/aW6vd0i5gfxL9cW34K9aLG+ddZI4 0quxQtGcj9NKeOIUcNxj1SdX9v7wMuhtLboasEUHa0AMZAxoRsJE3AyX5a8SKdGGtZxU b0UXuCX3zVWPzNUj0fTapDUhEk9UKuHDcInxakio2QDQcZ6TXzLeusQCnN04T21KyE0a cJcg== 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=bgUgJBvxAhuHvSfctuL9q0uW5q/+DZQMYz/lA7RIUCA=; b=gusB5ZoWyW44x06c1sxSXtaQ9foOA6S0UqHJpnSaeUgxxtXMG2ft5KXBkRw+My0xxr 6YjCe1nP5MsFuL3rrt8EhXhfto+/w1ZAbFiTOS/UbTTndcvywaSary7jC+T665wz8F3+ 0R3KBedKLL6Qfhx4pqP+cKhvgjnYjs1K6QlAPPcNCbf+YuQJswDRzs5+1dGZh6Qg8ij0 YZ3bmjKPXz/ijoXQ+l0hwyxcW7PR0MDhhxaY3vgBtq2n+yf9xZvlvCVJPYBNDK4JoQ95 jpwIrok2ttRq9x4Tw5oWcaCLDXlT6s5GvopNIFWFXgDdlXctAt601/gqUq4LHgUQiHmZ Wc8Q== X-Gm-Message-State: AJIora90RcgvvlSK8yhvzgH/5hyidlYqQ3zy7rItdCKqtwguZORISITG kIOvj8cL2DAw1nNWl9gwITd2OzhPVIXuBjqnqEU= X-Google-Smtp-Source: AGRyM1s8oA6sKIkWyCiMyRbR3ezVUaZ7h8X3gbjvwcpJP15f9TOmATgpNLYn5PAsWa/S1imm/2A2S4Z0Rpoh9i95JGA= X-Received: by 2002:a17:907:1c8d:b0:6f2:eb2:1cd6 with SMTP id nb13-20020a1709071c8d00b006f20eb21cd6mr9223153ejc.568.1658741719378; Mon, 25 Jul 2022 02:35:19 -0700 (PDT) MIME-Version: 1.0 References: <20220721093422.2173982-1-marcus.folkesson@gmail.com> In-Reply-To: From: Andy Shevchenko Date: Mon, 25 Jul 2022 11:34:43 +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" Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Mon, Jul 25, 2022 at 11:32 AM Andy Shevchenko wrote: > > 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? I have a 595 register which also has a latch. What I expect to see in this series is just a compatible string addition (but again, why even that is needed?). -- With Best Regards, Andy Shevchenko