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=-9.2 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,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 797FBC433E6 for ; Tue, 26 Jan 2021 18:20:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48C04207A9 for ; Tue, 26 Jan 2021 18:20:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403817AbhAZSUX (ORCPT ); Tue, 26 Jan 2021 13:20:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731380AbhAZSEi (ORCPT ); Tue, 26 Jan 2021 13:04:38 -0500 Received: from mail-qt1-x82e.google.com (mail-qt1-x82e.google.com [IPv6:2607:f8b0:4864:20::82e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8101DC061574; Tue, 26 Jan 2021 10:03:58 -0800 (PST) Received: by mail-qt1-x82e.google.com with SMTP id t14so9267884qto.8; Tue, 26 Jan 2021 10:03:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=nXCZHlDeOu1W7tWclqY0N0hv7zg7bY3yXMrnGLStIvU=; b=BRypEvXZJOSvc/4OoNIoKvVKY7lcy0RcPA1Uxj+sYjR/icWTpCxaPgtJLRJLBFI51h XW9R/DsDI+cavfet8ggWAxY8E+DmLFcXEKN2/NqmyueWwZSu6yPInhsdvya9sFvpVuV6 j8y/6IX2LY989AkHwptxbHPpr5FaAbPiER/gPeN6gS65LyPpw6yO6pzU/uTerfNJyawu Q19FmdtIAvIhFJDEs1J1CumQYmb7g2wGve2pSgBUpRF3omE3sHtGFaviwjntlDAYOcks uQ0JtxkoGK9A5hA4mjRnfb7zr0ANMTQq3KU9EwszhN0SoZn+1xwxqbu7NNplZDqJsHrn RrdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nXCZHlDeOu1W7tWclqY0N0hv7zg7bY3yXMrnGLStIvU=; b=kqvdBNjlTvRhYeKYrtKtvU/etNyFTLsKxWt2SUHq39uXI0AYKTnSw4gaZD58IYMMOC mPqjOiHnZ/PvFjT+0xiOTU5K2RjBO179yC1dbKYQe8y8p4ceh3v9AUznzz5K4ZwUIbLO XtFUJ9+cF2lk21hWOlaxMgsEUaZPGV7Y3ql0fHfXbq0dmGr3LFQxbekVjZBlmxf54mmX wYcRqdVtVhffS0SeYebJQUCLrE2vyqc0kNJGqxVA7gW7nnxoq/i/QMclUCClHwSikSvu H+l+P6hWjDGCuT3mpIGrXpO8tiRx+nn0a6qpaBP8v16l8uRDBHYBmrpGjMuR936YEAOD YvKw== X-Gm-Message-State: AOAM533ZbMjznvkofTPOZDQkhcbIvGnFv0LltF/CdceX3h3h7MubNbiy O+DHdZx2bSe1+mNTARVHKvg= X-Google-Smtp-Source: ABdhPJwqnhIgbfRIEpY87vK45ovcVlNAgTl1yo1q7eoeQGm9MdIW7+1ziE7jWa+gK6R3QPyRcbdtuA== X-Received: by 2002:ac8:5d45:: with SMTP id g5mr6236171qtx.247.1611684237696; Tue, 26 Jan 2021 10:03:57 -0800 (PST) Received: from [192.168.1.49] (c-67-187-90-124.hsd1.ky.comcast.net. [67.187.90.124]) by smtp.gmail.com with ESMTPSA id d26sm13496164qtw.58.2021.01.26.10.03.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Jan 2021 10:03:57 -0800 (PST) Subject: Re: [PATCH] cmd_dtc: Enable generation of device tree symbols To: Geert Uytterhoeven , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Frank Rowand Cc: DTML , Michal Marek , Arnd Bergmann , Linux Kbuild mailing list , Masahiro Yamada , Linux Kernel Mailing List , Maxime Ripard , cyril@debamax.com, linux-arm-kernel References: <20210125105757.661240-1-uwe@kleine-koenig.org> <9d9bb0f6-d4f4-b1b9-a4c4-786987578085@kleine-koenig.org> From: Frank Rowand Message-ID: <1e713129-db54-64c3-59e3-fc0dba0e0f19@gmail.com> Date: Tue, 26 Jan 2021 12:03:56 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org +frank On 1/26/21 2:43 AM, Geert Uytterhoeven wrote: > Hi Uwe, > > On Tue, Jan 26, 2021 at 8:21 AM Uwe Kleine-König wrote: >> And then I learned with hints from Rob and Geert that symbols are not >> really necessary for overlays, you just cannot use named labels. But >> using >> >> target-path = "/soc/i2c@23473245"; >> >> or >> >> target = <&{/soc/i2c@23473245}>; >> >> instead of >> >> target = <&i2c1>; >> >> works fine. (And if you need to add a phandle the &{/path/to/node} >> construct should work, too (but I didn't test).) Using labels is a tad >> nicer, but the problem I wanted to address with my patch now has a known >> different solution. > > Please don't use "target" and "target-path". Since the introduction of > sugar syntax support in v4.15[1], you can just use "&label", like in a normal > DTS file. Paths do need the special "&{/path/to/node}" syntax instead > of "/path/to/node", though. > > As usual, you can find lots of examples of DT overlays in my repo[2]. > > [1] commit 4201d057ea91c3d6 ("scripts/dtc: Update to upstream version > v1.4.5-3-gb1a60033c110") > [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/log/?h=topic/renesas-overlays > > Gr{oetje,eeting}s, > > Geert > 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=-7.2 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 D1103C433DB for ; Tue, 26 Jan 2021 18:05:57 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 87E0D22228 for ; Tue, 26 Jan 2021 18:05:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87E0D22228 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NoVkVSPSvgnLSE7uH20/AZxytFOnC3Dw31wVzHakqZc=; b=GIE+j15SHF1WFhvzLNaS48XzX caTxn+2D4qaG1U0P/3J/VXzMX726cvyaiWZJkKkKUavFNmMvIRMB4FfZgsS6hy6L5m1DtALDnWIKF i75NeUDhM5XUUaPrwgeLOCn4BNZL6z+tuazpwJKD2ryzcVa2/h6hSHCoCrVO2aOGTmZMw0XXNKRnf IIsCg8XzXR+yU67P6JSQ7g77bi2G9YpV654pYVytoAY2B16pb42DjfszkswsbOlvelEYrdz0+ImHn gItD9whWcMuDtn/x/OGFgXkV2ZXyqrWSrwEt5ijk4ByZSHt7Lxf9WkqjDIbdxn761+aqwQ/o05o4O uyKdI4Vjg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l4Sh9-0004oD-NW; Tue, 26 Jan 2021 18:04:03 +0000 Received: from mail-qt1-x832.google.com ([2607:f8b0:4864:20::832]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l4Sh5-0004m1-JH for linux-arm-kernel@lists.infradead.org; Tue, 26 Jan 2021 18:04:00 +0000 Received: by mail-qt1-x832.google.com with SMTP id v3so12883058qtw.4 for ; Tue, 26 Jan 2021 10:03:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=nXCZHlDeOu1W7tWclqY0N0hv7zg7bY3yXMrnGLStIvU=; b=BRypEvXZJOSvc/4OoNIoKvVKY7lcy0RcPA1Uxj+sYjR/icWTpCxaPgtJLRJLBFI51h XW9R/DsDI+cavfet8ggWAxY8E+DmLFcXEKN2/NqmyueWwZSu6yPInhsdvya9sFvpVuV6 j8y/6IX2LY989AkHwptxbHPpr5FaAbPiER/gPeN6gS65LyPpw6yO6pzU/uTerfNJyawu Q19FmdtIAvIhFJDEs1J1CumQYmb7g2wGve2pSgBUpRF3omE3sHtGFaviwjntlDAYOcks uQ0JtxkoGK9A5hA4mjRnfb7zr0ANMTQq3KU9EwszhN0SoZn+1xwxqbu7NNplZDqJsHrn RrdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nXCZHlDeOu1W7tWclqY0N0hv7zg7bY3yXMrnGLStIvU=; b=YtjO8Ug2CzDkKraJ47XnzDDuXxjDuGA6vS90WN666N63dB8h4CyS9XS5dW6wK6jlJ7 /Z4QfoCuXUKqj1J8BlA6Lt9OSENEhavvu7CINrugZClteUmwBbXWMbhOUO6IKCTUu9jS DBSy7DNBwgOYc4DjP5X/mZQmo9UPKhcatuIjHZP3oHcomyynnywP/rRPKV0yzW4jas8l IREelDlFOCbQEdbdKsJH/sEScDEjPhvILx3Derdu6lW3aiIgvkKpBAFkLzLr5sev1HLF J6F3GXekmdeIBKfp6JxzAYXxUTo+iWusoZGMH2j/P1UgX7hIS4BQXohyHivpszF0hl6C MHDg== X-Gm-Message-State: AOAM533I+Usw4cps+uC6rr0UjVOTNfioF5ctzGhjVhgD49s9TGN0uqKS 3CuOkKXmCG9pKjs0L62yLQI= X-Google-Smtp-Source: ABdhPJwqnhIgbfRIEpY87vK45ovcVlNAgTl1yo1q7eoeQGm9MdIW7+1ziE7jWa+gK6R3QPyRcbdtuA== X-Received: by 2002:ac8:5d45:: with SMTP id g5mr6236171qtx.247.1611684237696; Tue, 26 Jan 2021 10:03:57 -0800 (PST) Received: from [192.168.1.49] (c-67-187-90-124.hsd1.ky.comcast.net. [67.187.90.124]) by smtp.gmail.com with ESMTPSA id d26sm13496164qtw.58.2021.01.26.10.03.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Jan 2021 10:03:57 -0800 (PST) Subject: Re: [PATCH] cmd_dtc: Enable generation of device tree symbols To: Geert Uytterhoeven , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Frank Rowand References: <20210125105757.661240-1-uwe@kleine-koenig.org> <9d9bb0f6-d4f4-b1b9-a4c4-786987578085@kleine-koenig.org> From: Frank Rowand Message-ID: <1e713129-db54-64c3-59e3-fc0dba0e0f19@gmail.com> Date: Tue, 26 Jan 2021 12:03:56 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210126_130359_645611_A8D6F602 X-CRM114-Status: GOOD ( 19.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: DTML , Michal Marek , Arnd Bergmann , Linux Kbuild mailing list , Masahiro Yamada , Linux Kernel Mailing List , Maxime Ripard , cyril@debamax.com, linux-arm-kernel 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 K2ZyYW5rCgpPbiAxLzI2LzIxIDI6NDMgQU0sIEdlZXJ0IFV5dHRlcmhvZXZlbiB3cm90ZToKPiBI aSBVd2UsCj4gCj4gT24gVHVlLCBKYW4gMjYsIDIwMjEgYXQgODoyMSBBTSBVd2UgS2xlaW5lLUvD tm5pZyA8dXdlQGtsZWluZS1rb2VuaWcub3JnPiB3cm90ZToKPj4gQW5kIHRoZW4gSSBsZWFybmVk IHdpdGggaGludHMgZnJvbSBSb2IgYW5kIEdlZXJ0IHRoYXQgc3ltYm9scyBhcmUgbm90Cj4+IHJl YWxseSBuZWNlc3NhcnkgZm9yIG92ZXJsYXlzLCB5b3UganVzdCBjYW5ub3QgdXNlIG5hbWVkIGxh YmVscy4gQnV0Cj4+IHVzaW5nCj4+Cj4+ICAgICAgICAgdGFyZ2V0LXBhdGggPSAiL3NvYy9pMmNA MjM0NzMyNDUiOwo+Pgo+PiBvcgo+Pgo+PiAgICAgICAgIHRhcmdldCA9IDwmey9zb2MvaTJjQDIz NDczMjQ1fT47Cj4+Cj4+IGluc3RlYWQgb2YKPj4KPj4gICAgICAgICB0YXJnZXQgPSA8JmkyYzE+ Owo+Pgo+PiB3b3JrcyBmaW5lLiAoQW5kIGlmIHlvdSBuZWVkIHRvIGFkZCBhIHBoYW5kbGUgdGhl ICZ7L3BhdGgvdG8vbm9kZX0KPj4gY29uc3RydWN0IHNob3VsZCB3b3JrLCB0b28gKGJ1dCBJIGRp ZG4ndCB0ZXN0KS4pIFVzaW5nIGxhYmVscyBpcyBhIHRhZAo+PiBuaWNlciwgYnV0IHRoZSBwcm9i bGVtIEkgd2FudGVkIHRvIGFkZHJlc3Mgd2l0aCBteSBwYXRjaCBub3cgaGFzIGEga25vd24KPj4g ZGlmZmVyZW50IHNvbHV0aW9uLgo+IAo+IFBsZWFzZSBkb24ndCB1c2UgInRhcmdldCIgYW5kICJ0 YXJnZXQtcGF0aCIuICBTaW5jZSB0aGUgaW50cm9kdWN0aW9uIG9mCj4gc3VnYXIgc3ludGF4IHN1 cHBvcnQgaW4gdjQuMTVbMV0sIHlvdSBjYW4ganVzdCB1c2UgIiZsYWJlbCIsIGxpa2UgaW4gYSBu b3JtYWwKPiBEVFMgZmlsZS4gIFBhdGhzIGRvIG5lZWQgdGhlIHNwZWNpYWwgIiZ7L3BhdGgvdG8v bm9kZX0iIHN5bnRheCBpbnN0ZWFkCj4gb2YgIi9wYXRoL3RvL25vZGUiLCB0aG91Z2guCj4gCj4g QXMgdXN1YWwsIHlvdSBjYW4gZmluZCBsb3RzIG9mIGV4YW1wbGVzIG9mIERUIG92ZXJsYXlzIGlu IG15IHJlcG9bMl0uCj4gCj4gWzFdIGNvbW1pdCA0MjAxZDA1N2VhOTFjM2Q2ICgic2NyaXB0cy9k dGM6IFVwZGF0ZSB0byB1cHN0cmVhbSB2ZXJzaW9uCj4gdjEuNC41LTMtZ2IxYTYwMDMzYzExMCIp Cj4gWzJdIGh0dHBzOi8vZ2l0Lmtlcm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L2dl ZXJ0L3JlbmVzYXMtZHJpdmVycy5naXQvbG9nLz9oPXRvcGljL3JlbmVzYXMtb3ZlcmxheXMKPiAK PiBHcntvZXRqZSxlZXRpbmd9cywKPiAKPiAgICAgICAgICAgICAgICAgICAgICAgICBHZWVydAo+ IAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFk Lm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFy bS1rZXJuZWwK