From patchwork Fri Jun 19 14:33:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 223890 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26199C433DF for ; Fri, 19 Jun 2020 16:02:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F350B2158C for ; Fri, 19 Jun 2020 16:02:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592582572; bh=BCMxLLUVL/GAQayZQJbT4GVwOVpnytU/QSFr1+km1qY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GxFFYZeuJVsHNdZWV0NxROLHeC4qlZV4yvKDdsbIYW/BJLD3IKEh21z6WoxOIB+mB H/MtaKT037HBB6LHF+VN5e/TKbTkXN43Pe5FC0hVA7edtBiah/kM0h0aOpY59HIs7D i7hzoniWVitzl0zn/jxUCUB0XmeiYVnPltvc3euo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389985AbgFSQCq (ORCPT ); Fri, 19 Jun 2020 12:02:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:42576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389919AbgFSPML (ORCPT ); Fri, 19 Jun 2020 11:12:11 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6A0CE21582; Fri, 19 Jun 2020 15:12:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592579531; bh=BCMxLLUVL/GAQayZQJbT4GVwOVpnytU/QSFr1+km1qY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O6qtEL5iSWelMfVg+Q5Yzt2s7qG64Xru2txE2hFVo8gapFNKySnlQ2Krf2SXPpSU6 EUCeUoKQ3HcqWquw4+DVL+4UZ3Lc0/JXwRRDZtRHCSfW60xwDmAaTywV+43E02+Gg1 ajIQVZTHV636yE44m6YdvzhhKhvjj8hJC2fCx/M0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lichao Liu , Jiaxun Yang , Thomas Bogendoerfer Subject: [PATCH 5.4 171/261] MIPS: CPU_LOONGSON2EF need software to maintain cache consistency Date: Fri, 19 Jun 2020 16:33:02 +0200 Message-Id: <20200619141658.101258010@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200619141649.878808811@linuxfoundation.org> References: <20200619141649.878808811@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lichao Liu commit a202bf71f08b3ef15356db30535e30b03cf23aec upstream. CPU_LOONGSON2EF need software to maintain cache consistency, so modify the 'cpu_needs_post_dma_flush' function to return true when the cpu type is CPU_LOONGSON2EF. Cc: stable@vger.kernel.org Signed-off-by: Lichao Liu Reviewed-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Greg Kroah-Hartman --- arch/mips/mm/dma-noncoherent.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -33,6 +33,7 @@ static inline bool cpu_needs_post_dma_fl case CPU_R10000: case CPU_R12000: case CPU_BMIPS5000: + case CPU_LOONGSON2EF: return true; default: /*