From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 23 Sep 2025 17:32:09 +0200 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 1v14zx-000EnB-0C for lore@lore.pengutronix.de; Tue, 23 Sep 2025 17:32:09 +0200 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 1v14zw-0001DR-Gq for lore@pengutronix.de; Tue, 23 Sep 2025 17:32:08 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Cc:To:From: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=gsuOPVBuSMi/axZ5LmrXMVIWUEgiSZlI083S30FfCCo=; b=zrQxMIHnC/q+IEfTzY5A0dnJN0 L1xYY5IxFjCpFA4yIc27nGTGxGUEQqP+QnThpfDmfB2pqtXW7h+w2czjpXjetpI22jsSrs7sV65EQ gn6f0zjt0xf8PNrG1xobIe74SXyKTTgDmtWKqe08GnwFL1f5ImDaf2dlAusc8PMsSM8syZHTUwwkI Sv4OQmBN8BDUMxdSlHHTxkXhwDPiUUXD4BNffs2yTfCsBQNbvh1vDSmibwoTmbGrk7kMydOsfngci WjEQmRUk+48IL0oSxbu7KGKqbbU+jppsdbkXVWhbHxEU0ScBTXlzMaznAces3x1pO+b/euKOv1pl9 scRO/Qtw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v14zJ-0000000E40g-2r3r; Tue, 23 Sep 2025 15:31:29 +0000 Received: from cczrelay01.in2p3.fr ([134.158.66.141]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v14zG-0000000E3xu-1LYa for barebox@lists.infradead.org; Tue, 23 Sep 2025 15:31:28 +0000 Received: from [134.158.124.135] (clrelecpo09w.in2p3.fr [134.158.124.135]) (authenticated bits=0) by cczrelay01.in2p3.fr (8.14.4/8.14.4) with ESMTP id 58NFVMRM030283 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=NO); Tue, 23 Sep 2025 17:31:22 +0200 Message-ID: <0afb7e25-5660-45d0-bfc5-90ce2582e6c4@clermont.in2p3.fr> Date: Tue, 23 Sep 2025 17:31:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: David Picard To: Sascha Hauer Cc: BAREBOX References: <20250917-boards-enclustra-sa2-add-support-v1-0-2de8f69107a1@clermont.in2p3.fr> <20250917-boards-enclustra-sa2-add-support-v1-6-2de8f69107a1@clermont.in2p3.fr> <00327370-bbd5-4e70-863a-c7cb5a801bf4@clermont.in2p3.fr> <96208dcc-fbd7-478c-b8dc-cad04e04b169@clermont.in2p3.fr> <6099cd02-f779-4cbd-af0c-daab487bb8ef@clermont.in2p3.fr> Content-Language: en-US In-Reply-To: <6099cd02-f779-4cbd-af0c-daab487bb8ef@clermont.in2p3.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_083126_630550_8E223C59 X-CRM114-Status: GOOD ( 10.96 ) 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: , 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=-4.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 06/11] boards: enclustra-sa2: read MAC address from EEPROM 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) I figured it out! I tweaked the DT a little bit, and I get this: barebox@Enclustra Mercury+ SA2:/ md -b -s /dev/atsha204a00.mac@10 00000000: 20 b0 f7 0a 6c 08                                   ...l. Same as what I used to get: eth0: got preset MAC address: 20:b0:f7:0a:6c:08 David Le 23/09/2025 à 13:50, David Picard a écrit : > It works! https://paste.debian.net/1397791/ > > However, I don't see how I can use the driver to read the MAC address. > Could you give me some hints? > > David > > Le 23/09/2025 à 11:40, Sascha Hauer a écrit : >> On Tue, Sep 23, 2025 at 11:07:39AM +0200, David Picard wrote: >>> Hi, >>> >>> The driver crashes and causes immediate reset. >>> >>> I could track it as far as this line: >>> https://git.pengutronix.de/cgit/barebox/tree/drivers/nvmem/core.c#n473 >>> >>> Boot log and some more details: https://paste.debian.net/1397772/ >> Seems *i2c_priv is not zeroed. Could you replace the devm_kmalloc() in >> atmel_i2c_probe() with devm_kzalloc()? >> >> Sascha >> > >