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=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED 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 CB3BCC43381 for ; Sun, 17 Feb 2019 09:40:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 825882192D for ; Sun, 17 Feb 2019 09:40:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=lechnology.com header.i=@lechnology.com header.b="dbXlcUCb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727336AbfBQJkC (ORCPT ); Sun, 17 Feb 2019 04:40:02 -0500 Received: from vern.gendns.com ([98.142.107.122]:52686 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725769AbfBQJkB (ORCPT ); Sun, 17 Feb 2019 04:40:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=OLrETPYPsFwEdPITog9RDbfkIjTDsapPYRtogRriLGE=; b=dbXlcUCbN5D0/gn8xukomwUHCv Td7JWrbBsPSo7ICPXz2g8CuwPRRDsNqOpRM5mDIW9p7p1Ul04/+f4RyouckJUS/Em/eqGKX2hUOyU rmI7unv3XQDXzUyGZUsHKT11b1RF/zwwY9S6TZirQ5bH2sD6uHYA0L6ckqnp6tZ0FknacG2McEjyP RdrZTiL7fu5NizLVpcsnfntpxEFJEkcvnnVuTmhHw/RPHgh99Sm17wKLBZEKY1woiAQMbU8pOsSkL ZoB3rTxu4MqyFQ+ap6pHfGbKuur8t7jmZ2G86flansFo3Qa8cbdOZpYCh7noEhXBc0Mm89UxCr0yX sqiMPieg==; Received: from [185.122.190.68] (port=16065 helo=gerda-5.local) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1gvIvN-00062B-GL; Sun, 17 Feb 2019 04:39:49 -0500 Subject: Re: [PATCH v4 14/37] ARM: davinci: aintc: use readl/writel_relaxed() To: Bartosz Golaszewski , Dmitry Torokhov , Sekhar Nori , Kevin Hilman , Thomas Gleixner , Jason Cooper , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski References: <20190214145231.8750-1-brgl@bgdev.pl> <20190214145231.8750-15-brgl@bgdev.pl> From: David Lechner Message-ID: <9df95fcb-49b3-bd53-69d1-f8cd363f3ee3@lechnology.com> Date: Sun, 17 Feb 2019 10:39:56 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20190214145231.8750-15-brgl@bgdev.pl> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/14/19 8:52 AM, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > Raplace all calls to __raw_readl() & __raw_writel() with readl_relaxed() > and writel_relaxed() respectively. It's safe to do as there's no > endianness conversion being done in the code. This patch only changes writel. There is no readl. > > Signed-off-by: Bartosz Golaszewski > --- > arch/arm/mach-davinci/irq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c > index 2df91fc0dade..509be44eda22 100644 > --- a/arch/arm/mach-davinci/irq.c > +++ b/arch/arm/mach-davinci/irq.c > @@ -36,7 +36,7 @@ static struct irq_domain *davinci_aintc_irq_domain; > > static inline void davinci_aintc_writel(unsigned long value, int offset) > { > - __raw_writel(value, davinci_aintc_base + offset); > + writel_relaxed(value, davinci_aintc_base + offset); > } > > static inline unsigned long davinci_aintc_readl(int offset) >