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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C8CE1C4332F for ; Mon, 6 Nov 2023 13:08:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=me8rEC1jyYuv1fpKbI+qEO8mz816fOHMuS8w4ndLTZ0=; b=c7D/ZkjRrE+0iT gxNbSFgwQmawld13BGFWeiPjaTFeP0v/4d1F76jHyKy2MsnivVfE6U6Fj01qcLgjcKoFAOkVd+wXP rn5fW4Nt4E7qcuTka4NNZu3KiYOwUfjVo5tB44YUop+MUhZ5UlBhK6ojqgsZlf8DfWTh3nanS3xAx lOpVvRvRzK3CChgMSq/3BKDjK7VTZaIcgNOmUqbpjBKbCk73UjzAei6uweGlNAMBlAz0jjMotv2Ko yHPXsfcwZdyQ5x3HCR/Cn7o7QL3hECl+wJX/zxZWlgbT4Nb/xb4lhck8wxQ7fWSkZd+mC4KK4Je9S RJoU+rHxkj0tCbqKIKNQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qzzL9-00Ghz8-2u; Mon, 06 Nov 2023 13:08:27 +0000 Received: from smtp.missinglinkelectronics.com ([162.55.135.183]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qzzL6-00GhyK-1v for linux-arm-kernel@lists.infradead.org; Mon, 06 Nov 2023 13:08:26 +0000 Received: from localhost (localhost [127.0.0.1]) by smtp.missinglinkelectronics.com (Postfix) with ESMTP id 578D32041E; Mon, 6 Nov 2023 14:08:22 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at missinglinkelectronics.com Received: from smtp.missinglinkelectronics.com ([127.0.0.1]) by localhost (mail.missinglinkelectronics.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pIimg11ZvbfH; Mon, 6 Nov 2023 14:08:22 +0100 (CET) Received: from nucnuc.mle (ppp-88-217-64-136.dynamic.mnet-online.de [88.217.64.136]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: david) by smtp.missinglinkelectronics.com (Postfix) with ESMTPSA id 2D14E20267; Mon, 6 Nov 2023 14:08:21 +0100 (CET) Date: Mon, 6 Nov 2023 14:08:19 +0100 From: David Epping To: Bjorn Helgaas Cc: linux-arm-kernel@lists.infradead.org, Dinh Nguyen , Lorenzo Pieralisi , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Bjorn Helgaas , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Zhichang Yuan , Gabriele Paoloni , John Garry , Joyce Ooi Subject: Re: arm: mach-socfpga: PCIe Root IO TLP support for Cyclone V Message-ID: References: <20231103184348.GA162150@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231103184348.GA162150@bhelgaas> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231106_050824_783066_0A9ABCB0 X-CRM114-Status: UNSURE ( 8.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 03, 2023 at 01:43:48PM -0500, Bjorn Helgaas wrote: > I don't understand INDIRECT_PIO very well, but does it help with this > at all? > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/Kconfig?id=v6.6#n92 > https://git.kernel.org/linus/031e3601869c Hi Bjorn, thanks a lot for these links. They look very promising and I'll check how they can be combined with the socfpga / Altera Root Complex driver. Best regards, David _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel