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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 B22D3C04AB4 for ; Fri, 17 May 2019 20:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A16D2087B for ; Fri, 17 May 2019 20:00:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=android.com header.i=@android.com header.b="a4/CLRN7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728375AbfEQUA2 (ORCPT ); Fri, 17 May 2019 16:00:28 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:45364 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726078AbfEQUA1 (ORCPT ); Fri, 17 May 2019 16:00:27 -0400 Received: by mail-pf1-f195.google.com with SMTP id s11so4154573pfm.12 for ; Fri, 17 May 2019 13:00:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=android.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Lg0scq7ATtl+Uy4MZvq90qbS0KQJXUTHcmarZyhdZgw=; b=a4/CLRN7zdrzGXpuqcZ1iDrmfmc9ztK6BC2fcst1/mvDKJc+gPdwvVLz/qGbNTr76N vOQe7e4fiR9CSIUKPNfGC1eoYJrlj5eFtt7lHZdzNw4sacC6fB3RrAs/jcrKlL51iZXr vN57FCbyhFZO40ehms0IlL1jDfdHmofz/5X6LywNZxrupl626tUU6EAMWXqNOGFYCjQW /Rs6S84mgbAuIsUM2nl98kmaGWD0AODgKCyBhNlwWr27BPUEtzsRHLa4LQqtWFsHsqEu kGEoA+9dX8LtjxHhbbYljkkDNZ5PUmMktPw+JrsZTwZBSpcNTWoyv8ZJlYQUi0pbTryC H2lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Lg0scq7ATtl+Uy4MZvq90qbS0KQJXUTHcmarZyhdZgw=; b=BP7WaOFAp04gfyVhmjScJZSZZ/UEvvqX2trxjlLWRpP+oe4B6n29aHU+1wbzI0bxid 43e4+/3uW/5M0C/MccuLWOn64JpkQzN0hVVjeiCLR3iaF/ZrLqUXOaMSiB52b/Fxly0U icBZiCHsEm40cu152dJLk+lK852OOlTTcOcpYL+/uR6UeE8jI44FVmotVhMGDwhhkglo Ts5U3z337wasw4ZHEU5IShJn+phKzxRN5gjyUINY9wq/zbwe5sOA+JhfhzrsG8OdFsH0 L2NUgUKQQ4QWnswhxv88RQuXk1iEGDDk4JPn4wAO4+cnMZlmIETXEB1S6rWlJoP1ywQF DHlQ== X-Gm-Message-State: APjAAAUgpGk2OuMOC2PJQN+2GTNbZSwJQZh5wNrfm3oZpFwBYgjxfj7v T+5NVj3MK9inzsyvcqyi0qSbRL6amnKnpQ== X-Google-Smtp-Source: APXvYqxjdaYTTQoM3b44xM6BSnFtcVQd0tiRcNbTAGEcMeI4R7/yqyItL2FOpJPIfhv4WODwmWYhqw== X-Received: by 2002:a63:6ac1:: with SMTP id f184mr59764281pgc.25.1558123226574; Fri, 17 May 2019 13:00:26 -0700 (PDT) Received: from nebulus.mtv.corp.google.com ([2620:0:1000:1612:b4fb:6752:f21f:3502]) by smtp.gmail.com with ESMTPSA id k13sm4369739pgr.90.2019.05.17.13.00.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 May 2019 13:00:25 -0700 (PDT) From: Mark Salyzyn To: linux-kernel@vger.kernel.org Cc: kernel-team@android.com, Mark Salyzyn , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org Subject: [PATCH] arch64: export __flush_dcache_area Date: Fri, 17 May 2019 12:59:56 -0700 Message-Id: <20190517200012.136519-1-salyzyn@android.com> X-Mailer: git-send-email 2.21.0.1020.gf2820cf01a-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some (out of tree modular) drivers feel a need to ensure data is flushed to the DDR before continuing flow. Signed-off-by: Mark Salyzyn Cc: linux-kernel@vger.kernel.org Cc: kernel-team@android.com --- arch/arm64/mm/cache.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S index a194fd0e837f..70d7cb5c0bd2 100644 --- a/arch/arm64/mm/cache.S +++ b/arch/arm64/mm/cache.S @@ -120,6 +120,7 @@ ENTRY(__flush_dcache_area) dcache_by_line_op civac, sy, x0, x1, x2, x3 ret ENDPIPROC(__flush_dcache_area) +EXPORT_SYMBOL_GPL(__flush_dcache_area) /* * __clean_dcache_area_pou(kaddr, size) -- 2.21.0.1020.gf2820cf01a-goog