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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFD0AC4332F for ; Sun, 4 Dec 2022 21:14:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229960AbiLDVO0 (ORCPT ); Sun, 4 Dec 2022 16:14:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229954AbiLDVOZ (ORCPT ); Sun, 4 Dec 2022 16:14:25 -0500 Received: from mx1.wiredblade.com (mx1.wiredblade.com [162.216.242.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 061541181C for ; Sun, 4 Dec 2022 13:14:21 -0800 (PST) dkim-signature: v=1; a=rsa-sha256; d=psihoexpert.ro; s=dynu; c=relaxed/relaxed; q=dns/txt; h=From:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References; bh=6O/Pd4pLjbYzmC2WdS8GZ5BOWKO72HytFcOzxHjcKt0=; b=AgV9SbLCYJPukKTvRiqzk5r4qs6MXCcl7z0VrFU/LX20ejdNwXl1Mf8pB//fy3t4Ddriu7ioqOm0ThWLl/e8Q9uHCv89FHY6w+mO2EP62ergUWL8w2tDuCanyUKPDppU4GJJuHFmTJ4btzTXgZTSpPXvJlTfYhim3+G7u5Y0fJIVB25hlMgj18q6ifoOdyueb57HEEW3PVNGsiEKIq7m12QRM1RUUEuBSuK7M9r4ZKAG83XpiUX6YyNMcK NVHeQkjzLQTbJkWWJ0bMi5cBRM8KhLwWB8Xa69djIQFys/Sos7B/qZBvKzLeQlGrq1XpTlUBRSTkezE1MLPNvGijyiSQ== Received: from webmail.dynu.com (webmail.dynu.com [162.216.242.204]) by mx1.wiredblade.com with ESMTPA ; Sun, 4 Dec 2022 21:14:13 +0000 MIME-Version: 1.0 Date: Sun, 04 Dec 2022 21:14:14 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: RainLoop/1.16.0 From: marius@psihoexpert.ro Message-ID: Subject: Re: Bug report for ahci-mvebu driver To: "=?utf-8?B?UGFsaSBSb2jDoXI=?=" , "Damien Le Moal" Cc: linux-ide@vger.kernel.org In-Reply-To: <20221204102235.n4z2fjmxk5hbjiwd@pali> References: <20221204102235.n4z2fjmxk5hbjiwd@pali> <126ce7f2-3de2-9e75-7920-09d78c224d76@opensource.wdc.com> <3c94c10243fa1cd2b0128db846298a11@psihoexpert.ro> <13f7138c46c4c486a29322baa4cc414b@psihoexpert.ro> <40f4ae2000164863253c67d405e4f875@psihoexpert.ro> <29aff79be06b7dacb97c13cbff07fabb@psihoexpert.ro> <97af1ef9ed605800e6ad43b7b3518800@psihoexpert.ro> <889ee9c9e77106b17ceac456e327d480@psihoexpert.ro> X-Originating-IP: 84.232.129.15 Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org December 4, 2022 12:23 PM, "Pali Roh=C3=A1r" wrote: >> What next? Should I contact David Milburn (the c= ommit author) and ask for a >> better fix? >=20 >=20That is a good idea. I think I'll wait for an opinion from Damien. Since the same libata-core.= c works perfectly fine with sata-mv driver, but not ahci-mvebu, the probl= em might still be in the ahci-mvebu. The comment said: "sata_down_spd_lim= it should return if driver has not recorded sstatus speed". This probably= means that ahci-mvebu does not record the expected "sstatus speed". I do= n't know what that is, but Damien probably does. >> @ Pali Rohar: >> I could't find the errata you mentioned. If you have it, please take a= look at the commit above and >> see if it is affected in any. Thanks. >=20 >=20I do not have more details than what I already wrote in previous emai= l. >=20 >=20Errata documents are in most cases available on Marvell Customer Port= al. > You need to register for accessing them. https://www.marvell.com/portal >=20 >=20Documents which were available publicly without registration are here= : > https://www.kernel.org/doc/html/latest/arm/marvell.html > (errata for a38x was not publicly available) There is a slim chance that I could understand them. I'm just an amateur.= I did some bare-metal programming on MCUs, but the kernel is way too com= plicated for me.