From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 08 Jun 2026 19:28:46 +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 1wWdmI-003iMG-1h for lore@lore.pengutronix.de; Mon, 08 Jun 2026 19:28:46 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wWdmH-0001kb-VI for lore@pengutronix.de; Mon, 08 Jun 2026 19:28:46 +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:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=675J4AQYHQhmS1vT69a1euH1b3x2UX9D/i+EBWJVP4U=; b=DkoevtX7Q9bzcaN+2ZHm6+ADtX +WOEr5ww6JnNgauKQxiinT4mrz56PBHJP2E1XjZjhX7mmTAqtGBMzqqGg52DqkK+WtWnud0IZuFK1 F5i46qWuwuL8fHangJEACSoNTwOwbd5wCqdXvnSGLEyG5JdSN5AmnvfSmeOPgl9ALLw2JeO8/f5z8 wfdZzS1gsp7fpcu6zWjfpb5BswJJVVm+GJm3ljCUMvMGdgYrGMspN6g27DkUN7Ze/TntYHaZZkUMP bOEsJc4HvRuvBrk2+PMrqn6a9Od1URtDdFaH7JG6FYuRbcOD1OFedPtYvHYlxzI13gtCywsK/E8Jx BHUs6VIA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWdju-00000004Bv5-1mz9; Mon, 08 Jun 2026 17:26:18 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWdjr-00000004BuG-1R2y for barebox@lists.infradead.org; Mon, 08 Jun 2026 17:26:17 +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 1wWdjl-0001Ru-B5; Mon, 08 Jun 2026 19:26:09 +0200 Message-ID: <7d47871b-989a-4ad0-bfb1-4d449fd13ceb@pengutronix.de> Date: Mon, 8 Jun 2026 19:26:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Andrei Lalaev , barebox@lists.infradead.org References: <489b74af-bb47-4c1c-a969-094b9ff3e9ba@gmail.com> Content-Language: en-US From: Ahmad Fatoum In-Reply-To: <489b74af-bb47-4c1c-a969-094b9ff3e9ba@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260608_102615_385517_1537D7D1 X-CRM114-Status: GOOD ( 14.85 ) 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=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: iMX ddrphy_utils difference with U-boot 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) Hello Andrei, On 6/8/26 16:24, Andrei Lalaev wrote: > Hi, > > I am moving an iMX8MP module from vendor U-Boot 2024.04 to Barebox 2025.02 Sidenote: You'll probably want to use one of the still supported v2026.04 or v2026.06 releases. > and found a strange difference in the DDR training code: > > vim drivers/ddr/imx/ddrphy_utils.c +94 > > And the corresponding line in U-Boot: > > vim drivers/ddr/imx/phy/ddrphy_utils.c +101 > > Is there any chance that somebody knows/remembers why "return -1" was replaced with "hang()"? I can't speak for Sascha, but having looked at the code, I see no reason why not to propagate the error. > I couldn't find any explanation in the commits/mailing lists. My guess is that it wasn't anticipated that boards would handle the error gracefully to fall back to a different DDR init. Cheers, Ahmad > > Thanks a lot! > > -- > Best regards, > Andrei Lalaev > > > -- 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 |