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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 C6B96C433DB for ; Mon, 25 Jan 2021 13:14:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8077422583 for ; Mon, 25 Jan 2021 13:14:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728610AbhAYNMu (ORCPT ); Mon, 25 Jan 2021 08:12:50 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:39654 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728555AbhAYNFj (ORCPT ); Mon, 25 Jan 2021 08:05:39 -0500 Received: from relay4-d.mail.gandi.net (unknown [217.70.183.196]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 806E13B3CA6; Mon, 25 Jan 2021 11:18:25 +0000 (UTC) X-Originating-IP: 82.64.171.251 Received: from debamax.com (82-64-171-251.subs.proxad.net [82.64.171.251]) (Authenticated sender: cyril@debamax.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 12DFDE0015; Mon, 25 Jan 2021 11:15:21 +0000 (UTC) Date: Mon, 25 Jan 2021 12:15:20 +0100 From: Cyril Brulebois To: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Cc: Masahiro Yamada , Michal Marek , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Maxime Ripard Subject: Re: [PATCH] cmd_dtc: Enable generation of device tree symbols Message-ID: <20210125111520.mgqe7u7fh5425ywl@debamax.com> References: <20210125105757.661240-1-uwe@kleine-koenig.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ofa4awvws3i5ofl4" Content-Disposition: inline In-Reply-To: <20210125105757.661240-1-uwe@kleine-koenig.org> Organization: DEBAMAX User-Agent: NeoMutt/20170113 (1.7.2) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ofa4awvws3i5ofl4 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, Uwe Kleine-K=C3=B6nig (2021-01-25): > Adding the -@ switch to dtc results in the binary devicetrees containing > a list of symbolic references and their paths. This is necessary to > apply device tree overlays e.g. on Raspberry Pi as described on > https://www.raspberrypi.org/documentation/configuration/device-tree.md. >=20 > Obviously the downside of this change is an increas of the size of the (as spotted by Uwe right after sending =E2=86=92) increase > generated dtbs, for an arm out-of-tree build (multi_v7_defconfig): >=20 > $ du -s arch/arm/boot/dts* > 101380 arch/arm/boot/dts-pre > 114308 arch/arm/boot/dts-post >=20 > so this is in average an increase of 12.8% in size. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Tested-by: Cyril Brulebois with: - a Raspberry Pi CM3 - a carrier board designed after the official IO Board V3 - an RTC accessible over I=C2=B2C, made functional via a DTB overlay, that can only be enabled once bcm2710-rpi-cm3.dtb has been generated with this patch applied. Cheers, --=20 Cyril Brulebois -- Debian Consultant @ DEBAMAX -- https://debamax.com/ --ofa4awvws3i5ofl4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEHoutkuoaze1Qayc7lZpsmSeGm2EFAmAOqEgACgkQlZpsmSeG m2EYRg//Ttps1FB0wJtShgYHbgdND6zCuwZEC6czYsmR8JkWlyQCHr90v9PYAjAv pCAHkOwNTUa0gg6w9KGnBvzBI2kl+s4xoiFj4ZibJp4+vkDCnCz4KjKAIiJPuSzx LihFWimirdBHgkQAxwUptSMQVB2XhuDUOK9rj92ck4Qd7PAO3/hq2x/U09Sewmxv H93lAjv50CGjkHESjQ/15B9Ke2cHmcMs4mY0yn0TXIofgSWuafCjTJZD2jDvd7v6 jPSDdEM9jsbm5TdY7FUz4FwLkvRAOc1hfYNKpZG9DNtvB0AJZx26b/z762bavUbW xTGzjs3cz4oQG6Geq5CPIES7JuO9zYOjbaBaNqUYUGunFhgVZZOdjTD3YpviaFD2 Fqng3IP4EgNr4ETv7Ff27wdK4kSXsWO5g4AU7+7722+0M9xgXTXnaHb/1dYPmHEh dkk7O1BCk2ycWWhsNNvBaabIqxN3Ys9c2AuG5hwAlNEdSQykY5NUpf1nVqnNCDZJ W+QJJcrQkUYoig3RKCgMTTwibCSHElyPh56khB8VaB4KiixVs6N3FMTntDyACVc/ Gypym8G87hnFOEcJLrjggx2h+1xUDNEUgAyEiw0hQY3FRSZDQgl6KuNugF7fg5Uy 87Up4uMbrc+X4mgNVBp2sNPKNME686Z2WFGZZ6eqlHKZt2IzKS8= =j3ki -----END PGP SIGNATURE----- --ofa4awvws3i5ofl4-- 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=-10.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,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 5986BC433E0 for ; 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Mon, 25 Jan 2021 11:15:21 +0000 (UTC) Date: Mon, 25 Jan 2021 12:15:20 +0100 From: Cyril Brulebois To: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Subject: Re: [PATCH] cmd_dtc: Enable generation of device tree symbols Message-ID: <20210125111520.mgqe7u7fh5425ywl@debamax.com> References: <20210125105757.661240-1-uwe@kleine-koenig.org> MIME-Version: 1.0 In-Reply-To: <20210125105757.661240-1-uwe@kleine-koenig.org> Organization: DEBAMAX User-Agent: NeoMutt/20170113 (1.7.2) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210125_061532_180208_BB27EA76 X-CRM114-Status: GOOD ( 13.78 ) 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: Michal Marek , Arnd Bergmann , linux-kbuild@vger.kernel.org, Masahiro Yamada , linux-kernel@vger.kernel.org, Maxime Ripard , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============8562933351231129919==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8562933351231129919== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ofa4awvws3i5ofl4" Content-Disposition: inline --ofa4awvws3i5ofl4 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, Uwe Kleine-K=C3=B6nig (2021-01-25): > Adding the -@ switch to dtc results in the binary devicetrees containing > a list of symbolic references and their paths. This is necessary to > apply device tree overlays e.g. on Raspberry Pi as described on > https://www.raspberrypi.org/documentation/configuration/device-tree.md. >=20 > Obviously the downside of this change is an increas of the size of the (as spotted by Uwe right after sending =E2=86=92) increase > generated dtbs, for an arm out-of-tree build (multi_v7_defconfig): >=20 > $ du -s arch/arm/boot/dts* > 101380 arch/arm/boot/dts-pre > 114308 arch/arm/boot/dts-post >=20 > so this is in average an increase of 12.8% in size. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Tested-by: Cyril Brulebois with: - a Raspberry Pi CM3 - a carrier board designed after the official IO Board V3 - an RTC accessible over I=C2=B2C, made functional via a DTB overlay, that can only be enabled once bcm2710-rpi-cm3.dtb has been generated with this patch applied. Cheers, --=20 Cyril Brulebois -- Debian Consultant @ DEBAMAX -- https://debamax.com/ --ofa4awvws3i5ofl4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEHoutkuoaze1Qayc7lZpsmSeGm2EFAmAOqEgACgkQlZpsmSeG m2EYRg//Ttps1FB0wJtShgYHbgdND6zCuwZEC6czYsmR8JkWlyQCHr90v9PYAjAv pCAHkOwNTUa0gg6w9KGnBvzBI2kl+s4xoiFj4ZibJp4+vkDCnCz4KjKAIiJPuSzx LihFWimirdBHgkQAxwUptSMQVB2XhuDUOK9rj92ck4Qd7PAO3/hq2x/U09Sewmxv H93lAjv50CGjkHESjQ/15B9Ke2cHmcMs4mY0yn0TXIofgSWuafCjTJZD2jDvd7v6 jPSDdEM9jsbm5TdY7FUz4FwLkvRAOc1hfYNKpZG9DNtvB0AJZx26b/z762bavUbW xTGzjs3cz4oQG6Geq5CPIES7JuO9zYOjbaBaNqUYUGunFhgVZZOdjTD3YpviaFD2 Fqng3IP4EgNr4ETv7Ff27wdK4kSXsWO5g4AU7+7722+0M9xgXTXnaHb/1dYPmHEh dkk7O1BCk2ycWWhsNNvBaabIqxN3Ys9c2AuG5hwAlNEdSQykY5NUpf1nVqnNCDZJ W+QJJcrQkUYoig3RKCgMTTwibCSHElyPh56khB8VaB4KiixVs6N3FMTntDyACVc/ Gypym8G87hnFOEcJLrjggx2h+1xUDNEUgAyEiw0hQY3FRSZDQgl6KuNugF7fg5Uy 87Up4uMbrc+X4mgNVBp2sNPKNME686Z2WFGZZ6eqlHKZt2IzKS8= =j3ki -----END PGP SIGNATURE----- --ofa4awvws3i5ofl4-- --===============8562933351231129919== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8562933351231129919==--