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 0EB79C352A1 for ; Sat, 3 Dec 2022 09:34:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229487AbiLCJeI (ORCPT ); Sat, 3 Dec 2022 04:34:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229503AbiLCJeD (ORCPT ); Sat, 3 Dec 2022 04:34:03 -0500 Received: from mail-yw1-x1135.google.com (mail-yw1-x1135.google.com [IPv6:2607:f8b0:4864:20::1135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0710A186D7 for ; Sat, 3 Dec 2022 01:34:02 -0800 (PST) Received: by mail-yw1-x1135.google.com with SMTP id 00721157ae682-3bf4ade3364so71692237b3.3 for ; Sat, 03 Dec 2022 01:34:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=fkGQMlu6wKeISp0zA+NNxO3uj0UvahfyytXWgxy5oAU=; b=arD8BDwE7ELF18ggu6/9RjwoeoBeB7H0+DwUtSejo+QUHEQbiDhl5V0CuZ0vTGpe6p hviivVCkjZoYd3PiKOH/6ZWghRadFalG22ZeSIyVKijrgJxiqaGrN05NEYSUvql2pOl0 7yJk+iIsmF5I8snfE7ZDtQLoM66T+V9rLh4cBo4Vf2vy4oe0KhJxNVTiQirmga+YYWcd l64TvE0bmLdeg8gW04V8XaSzDtQBPmfj8MOuaV9XfDJLH4uykJI/wSQeThYIGP+dyk8a WGYau/0LOh43OvwlcTY38Jv4f0H72w4JzqpWEG5PUkxI8YTmF/rAxnMxkxJKf6PY1n5Z yjew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=fkGQMlu6wKeISp0zA+NNxO3uj0UvahfyytXWgxy5oAU=; b=sA0jnYvBL5XYzWnof37e5VnuyJ6tRjR49mrOA46kilyWQ10fieU5rbykKFgxjZTrq4 cAbQU97fuDZNVWeoovxvBGszHrkxuVR1lFcpGch8Xl9cV6ygp7mplKhy+V3d7rNsubhB p/F0nqARb7iABlINmFN22P3+TmEvU8WgwyIBfsS2nQg3uUfuAHKWLj8Ix9YvgNCOd5IL /RjuR60girlENGNp2EsMBeFnHmGop+1/BjqxygVuLVSkqHnk3ul6UwoPrbsWG+C1A8hB fhfJBVSO5qdZFrjdRehCD2oqEfJMd2ehMJKGUzn22gVKOO1Mi7Qjylug2X+jYyHIHVfh dfdg== X-Gm-Message-State: ANoB5pne0VCgAKyOxPNUkD+3HWb8ESD8WmDqARtpzH+0ye3cM6Zrpi2Y ckQ5exSKUiq+ldPLla/+Mje6VGURSdSslfzwzVL2vw== X-Google-Smtp-Source: AA0mqf5rx5euZ8EgLbXLgUOq9u5gJklMo7bbGhLHT4FySZEtgNpgveMbe3VSrDmx8xMO3lU2qWmHQ5iT6VRng/f7FGc= X-Received: by 2002:a81:5748:0:b0:3b1:eee3:32a with SMTP id l69-20020a815748000000b003b1eee3032amr43455788ywb.325.1670060041225; Sat, 03 Dec 2022 01:34:01 -0800 (PST) MIME-Version: 1.0 References: <20221130155519.20362-1-andriy.shevchenko@linux.intel.com> In-Reply-To: <20221130155519.20362-1-andriy.shevchenko@linux.intel.com> From: Linus Walleij Date: Sat, 3 Dec 2022 10:33:50 +0100 Message-ID: Subject: Re: [PATCH v1 1/3] Documentation: gpio: Input mode is not true Hi-Z To: Andy Shevchenko Cc: Marc Zyngier , linux-gpio@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Jonathan Corbet , Hans de Goede Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Wed, Nov 30, 2022 at 4:55 PM Andy Shevchenko wrote: > The true Hi-Z (a.k.a. high impedance) mode is when pin is completely > disconnected from the chip. This includes input buffer as well. > Nevertheless, some hardware may not support that mode and they are > considering input only as Hi-Z, but more precisely it is an equivalent > to that, in electronics it's basically "an antenna mode". > > Sligthly correct documentation to take the above into consideration. > > Signed-off-by: Andy Shevchenko Reviewed-by: Linus Walleij Yours, Linus Walleij