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 X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FBE2C2BBCA for ; Tue, 15 Dec 2020 19:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59BDA22B2C for ; Tue, 15 Dec 2020 19:40:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728284AbgLOTjS (ORCPT ); Tue, 15 Dec 2020 14:39:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728353AbgLOTjP (ORCPT ); Tue, 15 Dec 2020 14:39:15 -0500 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FACCC0617A7; Tue, 15 Dec 2020 11:38:30 -0800 (PST) Received: by mail-pf1-x443.google.com with SMTP id t8so15118711pfg.8; Tue, 15 Dec 2020 11:38:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ZbJ6SJgre0dF80DUtFgnvaN2enctWrPlJJXkPG7QaY4=; b=KLkRaKAC0dKQyYyO97Ta73bjPAYU4548DUBIbsvXFAc8bCfzw8MaR3VILYuNdH9nyD 1LQa2Kd8Lj4XlPXiUyqYLkJJnuY+JrTridHESZlSFaH/hn9mDx1VMKnNvdV8fTWM/rnC PPD/cDszwBkEqhHDz7c6pFX3MAox8tKlU4y0CkKzSknekjrb9SzHwU5aXoc6y4NkPjo6 1DFQeZR0rlJMrzLv3ssDVvF5SgyC4RQFR+scokwS2yiCJf9I2CkFAxUvP3pe8usnhF0b 24UiJTPze/31842OWGI/wSG0XJO7ThHS3H7UAHP7TnrNqY737wKWUNU7lBCzM+L3PZk9 zieg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ZbJ6SJgre0dF80DUtFgnvaN2enctWrPlJJXkPG7QaY4=; b=Cp1QAUymOkEFi01y2/qc57REyGkElx3mBE9KR9F+ykw8cyEWH/wdPVcRH8z/IABWg2 7a0wTHlCLly2BP1yXePRX6zkmXICbKcpg23ST/tovCcReBcci3WrkCk04T5SL+Oo3Df5 PVfiMTElTHeuC5qdoeFQw5VSHi7VmJ+LHs5bbEZkdtdlg39BL6CewXLWiMdTQm7osk8s p6YP/oV9UdPInsOWQZm+CtSul8/RCr2UIpxzxHA1kPeNbj1LwgbtE8vQ2PUk1Qc/BB64 8NjABo54dC53xecyZlpMNQH5fBgjgtg5N+DtfcOuEaTAlLBfWDt2jgXL+8C0N7Mf8wbl w56w== X-Gm-Message-State: AOAM5302KFIIn+NXBYE7JHWwDt2eJ5CNF+UHxp0/86kWI7wziTweVRui Yf2FOYugRaxaZ9VL4AQOlO3BQfx+t+Vv6tB66pdKQ4Bw6Z4k+A== X-Google-Smtp-Source: ABdhPJx+7Sm5/L9uMvdL4mjDgGLf+E8+AH63NJs9rxOMLXhsK2o2HQxbxch7q1Pq/jlMsR1pJroN7yGn0X63u96gQ1Q= X-Received: by 2002:a63:c04b:: with SMTP id z11mr3992898pgi.74.1608061109811; Tue, 15 Dec 2020 11:38:29 -0800 (PST) MIME-Version: 1.0 References: <20201211042625.129255-1-drew@beagleboard.org> <20201211234304.GA189853@x1> <20201214214419.GA1196223@x1> In-Reply-To: From: Andy Shevchenko Date: Tue, 15 Dec 2020 21:39:18 +0200 Message-ID: Subject: Re: [RFC PATCH] pinctrl: add helper to expose pinctrl state in debugfs To: Drew Fustini Cc: "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List , Linus Walleij , Tony Lindgren Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Tue, Dec 15, 2020 at 9:36 PM Andy Shevchenko wrote: > On Mon, Dec 14, 2020 at 11:44 PM Drew Fustini wrote: > > On Mon, Dec 14, 2020 at 07:55:12PM +0200, Andy Shevchenko wrote: ... > > With regards to parent directory, I did discover there is > > debugfs_lookup(), so I can get the dentry for "pinctrl" and create new > > subdirectory inside of it. This is the structure now: > > > > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_35_pinmux/state > > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_34_pinmux/state > > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_33_pinmux/state > > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_32_pinmux/state > > etc.. Missed part to comment. I was talking about /sys/kernel/debug/pinctrl/<$PINCTRL>/mux/<$PIN> (maybe folder, maybe node) -- With Best Regards, Andy Shevchenko