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=-5.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 CD41EC433EF for ; Sun, 19 Sep 2021 14:47:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A683061242 for ; Sun, 19 Sep 2021 14:47:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232772AbhISOtA (ORCPT ); Sun, 19 Sep 2021 10:49:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232664AbhISOs7 (ORCPT ); Sun, 19 Sep 2021 10:48:59 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 389C9C061574 for ; Sun, 19 Sep 2021 07:47:34 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id m3so53467360lfu.2 for ; Sun, 19 Sep 2021 07:47:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=lmDmi4ftibwcwvQEbdJqNW7006uN+Sn0ovT9xUpowbg=; b=n7L0J9pPStqtmw9pJSM4IYMMGi2K9h8R0s8soWPd7QUE6OYVsQlwZZkeR6yHOQO8OC 8TSo0XugMgqobFzoL0iQo19lJm7TBB+dZZym756y/Nb0pX0/ftTfpPnVaDudGWQWhWof D8WrVCCXydGQXup/Z/u3tB3sMrAaKAJv6kqh2ka5aFrJ0xBsvfgD3APBhlRPirqbVVAo XZEJNarW8ldkljJ4349eSFvKfU28GIjx/PghKlXYOu+ID5HycZahCTd0kHog3QQAHu1C u6FjRpVxKY8yacZ0CdaaghgJrM3c420Ct/h9QEEK0gjaEpTayKiTRg1Ce6An73C4vS4j Uz+g== 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:content-transfer-encoding; bh=lmDmi4ftibwcwvQEbdJqNW7006uN+Sn0ovT9xUpowbg=; b=ih7cd8LdrvuPyRvwy32tcI0xf35z1/wF7LWd0s9YX8mwaiqJej0n1LJCFHGJ0ICtkH PaMa7WixjcCa+XoUPkuyj9U4Tc7n21R7GtZaBYCbfTx82gz447uAN6R+kJanaLq23LIa MuXV4UrHxvzWHI/Z3kEHBzinvHtLPUobXTdFACx/PKtTS42pIz4i3lxs82PR96NIuyQo vqsslDCIGZ0PNOE8ppgUkFmSlA2wDmMd3aH2PNISaSSr4cIy1YmYR2hlV1N6jSCnr0qu m6YUnWb1KyQgcSKBmAOv1xhSz9j+mFAX0hKzOaD4Wg1c3+uSEtwrdqqIDXt1+8oCOWfB Kmog== X-Gm-Message-State: AOAM532QDwZjV6EIQfFFKfssw167EuQT/W8UZYBFpWqm6YbQyMKVMjKa 67oA5DdDvi4il0eImETvkf69x5rj2rUcF5A30aybEw== X-Google-Smtp-Source: ABdhPJwXnTjXl0i8JlJQlNjJu8tA3ja58MlRNxYCL22486ltOyGOxvhIR5XFzp5T4vRuXB22kODXEPpoqdt/anIjpJ0= X-Received: by 2002:a05:6512:3c92:: with SMTP id h18mr15315667lfv.656.1632062852495; Sun, 19 Sep 2021 07:47:32 -0700 (PDT) MIME-Version: 1.0 References: <20210913224926.1260726-1-heiko@sntech.de> <20210913224926.1260726-5-heiko@sntech.de> <1992229.jx4eJSTThl@diego> In-Reply-To: <1992229.jx4eJSTThl@diego> From: Linus Walleij Date: Sun, 19 Sep 2021 16:47:21 +0200 Message-ID: Subject: Re: [PATCH 4/4] gpio/rockchip: fetch deferred output settings on probe To: =?UTF-8?Q?Heiko_St=C3=BCbner?= Cc: Bartosz Golaszewski , Jianqun Xu , "open list:GPIO SUBSYSTEM" , Linux ARM , "open list:ARM/Rockchip SoC..." , linux-kernel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Sat, Sep 18, 2021 at 2:00 AM Heiko St=C3=BCbner wrote: > The issue is that the pinconf part for PIN_CONFIG_OUTPUT is actually > using the gpio controller to realize this setting. So when this ends up > in a pinctrl-hog, stuff explodes while probing the first pinctrl part. The Nomadik driver has something similar, I came up with a solution ages ago which isn't elegant either, so it's not like I'm any better :/ commit ab4a936247561cd998913bab5f15e3d3eaed1f9e "pinctrl: nomadik: assure GPIO chips are populated" > Thinking about this, the component framework may be one option? > And then adding a pinctr-register / init+enable variant where the > pinctrl hogs can be aquired separately, not as part of pinctrl_enable? Check out my commit, but the component framework is what we should ideally use (IMO) when drivers depend on each other so I think you are right. Yours, Linus Walleij 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=-5.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 F2D26C433F5 for ; Sun, 19 Sep 2021 14:47:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ABEBA6126A for ; Sun, 19 Sep 2021 14:47:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org ABEBA6126A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; 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Sun, 19 Sep 2021 07:47:32 -0700 (PDT) MIME-Version: 1.0 References: <20210913224926.1260726-1-heiko@sntech.de> <20210913224926.1260726-5-heiko@sntech.de> <1992229.jx4eJSTThl@diego> In-Reply-To: <1992229.jx4eJSTThl@diego> From: Linus Walleij Date: Sun, 19 Sep 2021 16:47:21 +0200 Message-ID: Subject: Re: [PATCH 4/4] gpio/rockchip: fetch deferred output settings on probe To: =?UTF-8?Q?Heiko_St=C3=BCbner?= Cc: Bartosz Golaszewski , Jianqun Xu , "open list:GPIO SUBSYSTEM" , Linux ARM , "open list:ARM/Rockchip SoC..." , linux-kernel X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210919_074735_319474_AEF2DCDA X-CRM114-Status: GOOD ( 12.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gU2F0LCBTZXAgMTgsIDIwMjEgYXQgMjowMCBBTSBIZWlrbyBTdMO8Ym5lciA8aGVpa29Ac250 ZWNoLmRlPiB3cm90ZToKCj4gVGhlIGlzc3VlIGlzIHRoYXQgdGhlIHBpbmNvbmYgcGFydCBmb3Ig UElOX0NPTkZJR19PVVRQVVQgaXMgYWN0dWFsbHkKPiB1c2luZyB0aGUgZ3BpbyBjb250cm9sbGVy IHRvIHJlYWxpemUgdGhpcyBzZXR0aW5nLiBTbyB3aGVuIHRoaXMgZW5kcyB1cAo+IGluIGEgcGlu Y3RybC1ob2csIHN0dWZmIGV4cGxvZGVzIHdoaWxlIHByb2JpbmcgdGhlIGZpcnN0IHBpbmN0cmwg cGFydC4KClRoZSBOb21hZGlrIGRyaXZlciBoYXMgc29tZXRoaW5nIHNpbWlsYXIsIEkgY2FtZSB1 cCB3aXRoIGEgc29sdXRpb24KYWdlcyBhZ28gd2hpY2ggaXNuJ3QgZWxlZ2FudCBlaXRoZXIsIHNv IGl0J3Mgbm90IGxpa2UgSSdtIGFueSBiZXR0ZXIgOi8KCmNvbW1pdCBhYjRhOTM2MjQ3NTYxY2Q5 OTg5MTNiYWI1ZjE1ZTNkM2VhZWQxZjllCiJwaW5jdHJsOiBub21hZGlrOiBhc3N1cmUgR1BJTyBj aGlwcyBhcmUgcG9wdWxhdGVkIgoKPiBUaGlua2luZyBhYm91dCB0aGlzLCB0aGUgY29tcG9uZW50 IGZyYW1ld29yayBtYXkgYmUgb25lIG9wdGlvbj8KPiBBbmQgdGhlbiBhZGRpbmcgYSBwaW5jdHIt cmVnaXN0ZXIgLyBpbml0K2VuYWJsZSB2YXJpYW50IHdoZXJlIHRoZQo+IHBpbmN0cmwgaG9ncyBj YW4gYmUgYXF1aXJlZCBzZXBhcmF0ZWx5LCBub3QgYXMgcGFydCBvZiBwaW5jdHJsX2VuYWJsZT8K CkNoZWNrIG91dCBteSBjb21taXQsIGJ1dCB0aGUgY29tcG9uZW50IGZyYW1ld29yayBpcyB3aGF0 IHdlCnNob3VsZCBpZGVhbGx5IHVzZSAoSU1PKSB3aGVuIGRyaXZlcnMgZGVwZW5kIG9uIGVhY2gg b3RoZXIKc28gSSB0aGluayB5b3UgYXJlIHJpZ2h0LgoKWW91cnMsCkxpbnVzIFdhbGxlaWoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1r ZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJu ZWwK