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 07911C433FE for ; Wed, 23 Nov 2022 10:53:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236264AbiKWKxu (ORCPT ); Wed, 23 Nov 2022 05:53:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236108AbiKWKxV (ORCPT ); Wed, 23 Nov 2022 05:53:21 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AE73EA101 for ; Wed, 23 Nov 2022 02:40:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1669200057; x=1700736057; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=DK+WPftXBrx+r25mWGDlmADzJFlk9VgO71LC1Vr139U=; b=Ow2Mif1ZhfL6CLCO8r0UOussZKoCwvEqLFFTL1F/IzbZAn7f5WczGfww esvCeya0m02rkldiAhLHAD3lF3C4oVJuy2mUp7ReCSd3WaAo2/V6gZt7A RqfhyHKx3wKDtp8BI3pH6klj4R+GKrKRIyXkw7RD2u07Z9cFGuzGtj80l iHMloDW9N1g/wrBw8YfJzJmFWGXmNVeg+bdEcwVvc4GvMfV2A9TfvzEDc lJsA5HlZ8cDQDJ1L6+RRghmrhCZsk8/580iQREGQN0AwDs0uoBTFkSGxm xCEiNN9/e0/8RDDg+iqusPabBYAojJBM9fmJfhiJIODulYmNQS/2rnVd/ w==; X-IronPort-AV: E=Sophos;i="5.96,187,1665471600"; d="scan'208";a="201087559" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 23 Nov 2022 03:40:56 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Wed, 23 Nov 2022 03:40:56 -0700 Received: from [10.12.67.44] (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Wed, 23 Nov 2022 03:40:54 -0700 Message-ID: <83198642-2ef7-a12a-2ad4-5839b465c085@microchip.com> Date: Wed, 23 Nov 2022 11:40:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH] ARM: at91: fix build for SAMA5D3 w/o L2 cache To: Peter Rosin , , , CC: , , , , References: <075d8c0f-5448-73aa-bd3f-0d4e1216e87f@leemhuis.info> <20221122181452.6a386296@fixe.home> Content-Language: en-US From: Nicolas Ferre Organization: microchip In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/11/2022 at 09:38, Peter Rosin wrote: > Hi! > > 2022-11-23 at 08:19, Claudiu.Beznea@microchip.com wrote: >> On 22.11.2022 19:14, Clément Léger wrote: >>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >>> >>> Le Tue, 22 Nov 2022 16:13:40 +0100, >>> Thorsten Leemhuis a écrit : >>> >>>> Hi, this is your Linux kernel regression tracker. >>>> >>>> On 12.11.22 16:40, Peter Rosin wrote: >>>>> The L2 cache is present on the newer SAMA5D2 and SAMA5D4 families, but >>>>> apparently not for the older SAMA5D3. At least not always. >> >> Peter, what do you mean by "at least not always" here? Are you talking >> about the OUTER_CACHE flag? > > I'm not familiar with all options for L2 caching. I was just being cautious > to not exclude the possibility that there could be some variation within > the SAMA5D3 series (I'm on SAMA5D31) or with an external L2 cache or > something such. If there's simply no possible way to have an L2 cache on > any SAMA5D3, feel free to edit that "At least not always" out while you > commit. I confirm that there is no L2 cache in any variant of SAMA5D3. [..] Thanks, best regards, Nicolas -- Nicolas Ferre