From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 22 Jan 2026 15:21:53 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vivZJ-0049Ot-2M for lore@lore.pengutronix.de; Thu, 22 Jan 2026 15:21:53 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vivZI-0003wJ-Oh for lore@pengutronix.de; Thu, 22 Jan 2026 15:21:53 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:Content-Type:In-Reply-To:From:References:To:Subject :MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Exvbi7eMiton57NAuwaAu8M/xDsjBhrbx22hvFXoewI=; b=dL0j2YYr1Po5rX nYmYPKHPNgAyDuwUs7EVoqd/W8Ns+o4svLls6yV7NNvhDIa7jGlgNYNLDg5gUcygj6bGCmmomisjn HKkWdwnxs0ARLbwAO4bg9BTbtJrMPyBfXgGfo79SrRTBACjqVD55fLgoIHOdwkspk2ue1v8qk8FND PXt9rVGrg3AVo1d/LIkyWQc8U7UlnwF/FpJyBWWcEDOl2ZDpNs1GThId3p1qmW1vb9V6/rRHcEeka GqhsEL5ulZV9eNK0DI+UjEjcFuQNp8jiNwEh2ficuD7z6DleeDsIot8qVFZN3s3muw92MhrIlCRup /pSOdF4lW4l1Nw0pUxpQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vivYu-00000007EQv-1qv2; Thu, 22 Jan 2026 14:21:28 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vivYr-00000007EQI-3P7j for barebox@lists.infradead.org; Thu, 22 Jan 2026 14:21:27 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vivYq-0003mH-7z; Thu, 22 Jan 2026 15:21:24 +0100 Message-ID: <887d7b8b-bae2-4590-a9dc-649c68a5921e@pengutronix.de> Date: Thu, 22 Jan 2026 15:21:24 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Marco Felsch References: <20251110-v2025-09-0-topic-optee-of-handling-v1-0-8f0625ac5471@pengutronix.de> <20251110-v2025-09-0-topic-optee-of-handling-v1-19-8f0625ac5471@pengutronix.de> <5dda172a-9321-4bdf-b5bf-9b80d22532d0@pengutronix.de> <20260118201126.vywp76jpisnpouub@pengutronix.de> Content-Language: en-US, de-DE, de-BE From: Ahmad Fatoum In-Reply-To: <20260118201126.vywp76jpisnpouub@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260122_062125_854307_1B68C1AE X-CRM114-Status: GOOD ( 14.98 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: BAREBOX Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 19/23] security: optee: add helpers to apply OP-TEE FDTO X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi, On 1/18/26 9:11 PM, Marco Felsch wrote: > Hi, > > On 26-01-15, Ahmad Fatoum wrote: >> Hi, >> >> On 11/10/25 9:34 PM, Marco Felsch wrote: >>> config OF_FIXUP_OPTEE >>> def_bool y >>> depends on HAVE_OPTEE && ARM >>> + select LIBFDT >> >> AFAIK, we use LIBFDT only in PBL as we don't want to unflatten the whole >> tree there. Why would you want to use it in barebox proper? > > I used it due to the fdt_check_header() check within > optee_register_overlay(). I think we can drop this check and the LIBFDT > since barebox PBL is creating the HANDOFF_DATA_BL32_DT_OVL entry. As mentioned before, I prefer we do the device tree fragment stuff in barebox proper if at all possible. In that case, the select here makes sense. Thanks, Ahmad > > Regards, > Marco > > >> >> Thanks, >> Ahmad >> >> -- >> Pengutronix e.K. | | >> Steuerwalder Str. 21 | http://www.pengutronix.de/ | >> 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | >> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >> >> > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |