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 05BDDC433EF for ; Fri, 28 Jan 2022 17:23:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240157AbiA1RXJ (ORCPT ); Fri, 28 Jan 2022 12:23:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350997AbiA1RVw (ORCPT ); Fri, 28 Jan 2022 12:21:52 -0500 Received: from mail-ot1-x32c.google.com (mail-ot1-x32c.google.com [IPv6:2607:f8b0:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEF0BC0613A7; Fri, 28 Jan 2022 09:20:05 -0800 (PST) Received: by mail-ot1-x32c.google.com with SMTP id d18-20020a9d51d2000000b005a09728a8c2so6359563oth.3; Fri, 28 Jan 2022 09:20:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=UwbQPftUNn9yAB4yzqKeQDB/pWC4kXl5NucfopNQ3ag=; b=PWuAAkFkDtJVYG819y6ifto/NACTzta68iof02lYXGK4TQCZ6YMwgpN6x9wGagpTkD i0EsTVdeo+F/4UtWOICMnSpByL4d8E2QtiDXKxRyVNS23Ik15kjtMaH5bsNQ8KZCBR7I a0d+7BEf2jH6K+izh54gYOll0z3ec2q43de18V1jcr1UPlgSxdSC4l+dmcThpwizmIq4 w0EYEQFz1T1zElGgk8xJ7KRPprPSoDGttAyOnXaxCp8Ze2AC4WE9ije+JsSVAn82xuFK uweG/N5/k6zc4rYLV0ib3U4euYOuQOvLVaqCDK7o1M7eGyF+94uMF1V8xB/t0cXov9ju HYlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=UwbQPftUNn9yAB4yzqKeQDB/pWC4kXl5NucfopNQ3ag=; b=VlJCHt3bLnn5Q8so5UtvXO4uB1jetm9y6GrF4tLnNw2NyQA2P+Wjb8j3R17V3WXkFT sZOyXi4Qh/Jphixj9j0bRD6gzxVs4q8qrSQvFiTuv8U/stj34G8NiLnCt4F+9zs1El3y FUPS7PvUj0R5OXhZ/qb2NiABBQXjaeD+cqFPC9iHNnrweRZraPXwRHN9hz2XPJxjX+HW sA/6OqWDnB2FguyBAEX7plK8pHsquMJ94WtB2qNnYlMUhM9ilsMG8e2jeQuw8agJauu8 gG0gfPWOjXw//4OGD+QKtBLQqIazva48yeh4Ie3kHRNk1NWGeNRUJ1ApzddX3kn/4Awb HwcQ== X-Gm-Message-State: AOAM5331xnxEFsLmwr/lOJiaPzv0xFCOcHT1DYHKb18zlayHOaNkzpMv KAunmngZKoYJ2Qb0Ut9AyW8= X-Google-Smtp-Source: ABdhPJyvhy6GpcH81DShxWe8ImoRoO9OShyxokZ7SwtkWzv+0GKqFn3QzOSGVNutpWMxaWa4rky3xQ== X-Received: by 2002:a9d:7e88:: with SMTP id m8mr5100388otp.123.1643390405340; Fri, 28 Jan 2022 09:20:05 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id t21sm3983087otq.81.2022.01.28.09.20.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jan 2022 09:20:04 -0800 (PST) Sender: Guenter Roeck Date: Fri, 28 Jan 2022 09:20:03 -0800 From: Guenter Roeck To: Hans Verkuil Cc: Corentin Labbe , linus.walleij@linaro.org, mripard@kernel.org, wens@csie.org, jernej.skrabec@gmail.com, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, zhangn1985@gmail.com Subject: Re: [BUG] pinctrl: reg-fixed-voltage usb0-vbus: error -EINVAL: can't get GPIO Message-ID: <20220128172003.GA2666058@roeck-us.net> References: <2f82dbe8-50d6-d905-9065-d3869948aa06@xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2f82dbe8-50d6-d905-9065-d3869948aa06@xs4all.nl> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Tue, Jan 18, 2022 at 03:13:20PM +0100, Hans Verkuil wrote: > On 1/18/22 13:50, Corentin Labbe wrote: > > Hello > > > > As reported on old googlegroup sunxi mainling list, on linux-next-20220118, USB storage fail to bring up on orangepiPC. > > We can see some error logs in dmesg: > > reg-fixed-voltage usb0-vbus: error -EINVAL: can't get GPIO > > reg-fixed-voltage: probe of usb0-vbus failed with error -22 > > > > This is bisected to: 8df89a7cbc63c7598c00611ad17b67e8d5b4fad3 pinctrl-sunxi: don't call pinctrl_gpio_direction() > > > > Reverting this commit lead to a working USB storage being setuped. > > Hmm, I'll bet it's EPROBE_DEFER related. > No. For me the problem is only seen if I try to boot from the second usb interface with the orangepi-pc qemu emulation, but not when I try to boot from the first usb interface. That alone makes it unlikely to be an EPROBE_DEFER related problem. Some debugging with your code in the tree: [ 7.076227] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=10, input=0 [ 7.076567] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pinctrl_gpio_direction_output: offset=10, value=1, ret=-22 [ 7.076992] leds-gpio: probe of leds failed with error -22 [ 7.081645] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=2, input=0 [ 7.081887] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pinctrl_gpio_direction_output: offset=2, value=0, ret=-22 [ 7.082424] reg-fixed-voltage usb0-vbus: error -EINVAL: can't get GPIO [ 7.082793] reg-fixed-voltage: probe of usb0-vbus failed with error -22 [ 7.129355] sun8i-h3-pinctrl 1c20800.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=166, input=1 [ 7.129844] sun8i-h3-pinctrl 1c20800.pinctrl: ######### sunxi_pinctrl_gpio_direction_input: offset=166, ret=0 [ 7.130788] sunxi-mmc 1c0f000.mmc: Got CD GPIO [ 7.169391] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=3, input=1 [ 7.169663] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ######### sunxi_pinctrl_gpio_direction_input: offset=3, ret=-22 [ 7.170054] gpio-keys r_gpio_keys: failed to get gpio: -22 [ 7.170262] gpio-keys: probe of r_gpio_keys failed with error -22 And after reverting it: [ 6.138097] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=362, input=0 [ 6.138375] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pinctrl_gpio_direction_output: offset=10, value=1, ret=0 [ 6.140762] sun8i-h3-pinctrl 1c20800.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=15, input=0 [ 6.140918] sun8i-h3-pinctrl 1c20800.pinctrl: ########### sunxi_pinctrl_gpio_direction_output: offset=15, value=0, ret=0 [ 6.142808] sun8i-h3-pinctrl 1c20800.pinctrl: supply vcc-pf not found, using dummy regulator [ 6.148879] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=354, input=0 [ 6.149086] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pinctrl_gpio_direction_output: offset=2, value=0, ret=0 [ 6.154485] sun8i-h3-pinctrl 1c20800.pinctrl: supply vcc-pg not found, using dummy regulator [ 6.155657] sun8i-h3-pinctrl 1c20800.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=204, input=1 [ 6.155853] sun8i-h3-pinctrl 1c20800.pinctrl: ######### sunxi_pinctrl_gpio_direction_input: offset=204, ret=0 [ 6.174411] ehci-platform 1c1b000.usb: EHCI Host Controller [ 6.174737] ehci-platform 1c1b000.usb: new USB bus registered, assigned bus number 3 [ 6.188776] sun8i-h3-pinctrl 1c20800.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=166, input=1 [ 6.189149] sun8i-h3-pinctrl 1c20800.pinctrl: ######### sunxi_pinctrl_gpio_direction_input: offset=166, ret=0 [ 6.189720] sunxi-mmc 1c0f000.mmc: Got CD GPIO ... [ 6.674660] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ########### sunxi_pmx_gpio_set_direction: offset=355, input=1 [ 6.674796] sun8i-h3-r-pinctrl 1f02c00.pinctrl: ######### sunxi_pinctrl_gpio_direction_input: offset=3, ret=0 In other words, there is some offset translation missing with your patch, causing -EINVAL returns. Guenter