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=-2.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, 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 AD225C433F5 for ; Fri, 7 Sep 2018 19:43:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E85120844 for ; Fri, 7 Sep 2018 19:43:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="0JTsFfyt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E85120844 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726738AbeIHAYs (ORCPT ); Fri, 7 Sep 2018 20:24:48 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:40522 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726237AbeIHAYs (ORCPT ); Fri, 7 Sep 2018 20:24:48 -0400 Received: by mail-wm0-f68.google.com with SMTP id 207-v6so15565592wme.5 for ; Fri, 07 Sep 2018 12:42:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=2OBVCDONGEzIwTm7QfSFZEKxjwVO4pekD/4rVjP1wLE=; b=0JTsFfytjLjlW8adkFTtXKjzuqmxH5bQeUHfO575Wp6BlZusLZmwGH+2UqmV75F6Oa c54j7sFdBh3f6iHYH1e4yXsrMZcAVNpegkdv0fuDmSGJ0Ig4cn4XnMhjhfAAjTxflUZV HWCxENCPENNdkvi8Rzx0KV6g8JGNNb3/MzQbvoi3UflS6GC3Bs6uLOfMSakge5Cmslv8 voxm9R+dyIE0A4q/tGMzCGS+7vFyLRL2LY47sJY7ZlyXVQXtprYb2kt3hPxUukU6hZYW tK91IAU5fAYkHClcS25SlGPvZ/YalZEmoEy10K24VpuFrVv9RcacI7wDILN38P8qrBoe OYhA== 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:in-reply-to :references; bh=2OBVCDONGEzIwTm7QfSFZEKxjwVO4pekD/4rVjP1wLE=; b=AmiG597LbYw+AAtirSIkM6m2RpdRnYVtIZ9AbRSmxFM3+2YQYVv6Qi0Uu9k92l/MtX BVrBZtVyg4UCxIc2Xj9NuqsvrnbXlMonDWz/V79QgUGf7bufFuLfUe9mlmf8a37fx+p5 9+DL0oCxITkrgx9f6DsdRidjqmVe5T+1wr1sUT6J/RdeUmr+tBhs5HtxtIDR0xknOWNb b9JOrkCniRxHYcnLjEnHe2jKOtmseC1fGFHvmF8FxRBO8va7YbjuRMvm5mUJMwZ0JwdG rGxomQbRRZiMbfeP5IdDeUyvqGFoTuNcaplNXSa91mtZsp78Qc0++RYojJM1i/d2Srxr D9yw== X-Gm-Message-State: APzg51DORTn+suhPuX7zzgHmVWa2fwmLS/mIunXd3LX1xD1BDi4RGVay 1z9j8jWnuz3XC1TtqSyWza9J0w== X-Google-Smtp-Source: ANB0Vda3a1G3h/a0T7QOpgIWFBqrTWDEHU2LI/VoQLK/4NyCFWEZeJPvihMr17URkYAc7FNgfNxKBw== X-Received: by 2002:a1c:70b:: with SMTP id 11-v6mr6061230wmh.151.1536349341273; Fri, 07 Sep 2018 12:42:21 -0700 (PDT) Received: from localhost.localdomain ([51.15.160.169]) by smtp.googlemail.com with ESMTPSA id y17-v6sm11700133wrh.49.2018.09.07.12.42.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 07 Sep 2018 12:42:20 -0700 (PDT) From: Corentin Labbe To: Gilles.Muller@lip6.fr, Julia.Lawall@lip6.fr, agust@denx.de, alexandre.torgue@st.com, alistair@popple.id.au, benh@kernel.crashing.org, carlo@caione.org, davem@davemloft.net, galak@kernel.crashing.org, joabreu@synopsys.com, khilman@baylibre.com, maxime.ripard@bootlin.com, michal.lkml@markovi.net, mpe@ellerman.id.au, mporter@kernel.crashing.org, nicolas.palix@imag.fr, oss@buserror.net, paulus@samba.org, peppe.cavallaro@st.com, tj@kernel.org, vitb@kernel.crashing.org, wens@csie.org Cc: cocci@systeme.lip6.fr, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, linux-sunxi@googlegroups.com, Corentin Labbe Subject: [PATCH 2/5] include: add setbits32/clrbits32/clrsetbits32/setbits64/clrbits64/clrsetbits64 in linux/setbits.h Date: Fri, 7 Sep 2018 19:41:44 +0000 Message-Id: <1536349307-20714-3-git-send-email-clabbe@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1536349307-20714-1-git-send-email-clabbe@baylibre.com> References: <1536349307-20714-1-git-send-email-clabbe@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds setbits32/clrbits32/clrsetbits32 and setbits64/clrbits64/clrsetbits64 in linux/setbits.h header. Signed-off-by: Corentin Labbe --- include/linux/setbits.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/linux/setbits.h diff --git a/include/linux/setbits.h b/include/linux/setbits.h new file mode 100644 index 000000000000..3e1e273551bb --- /dev/null +++ b/include/linux/setbits.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_SETBITS_H +#define __LINUX_SETBITS_H + +#include + +#define __setbits(readfunction, writefunction, addr, set) \ + writefunction((readfunction(addr) | (set)), addr) +#define __clrbits(readfunction, writefunction, addr, mask) \ + writefunction((readfunction(addr) & ~(mask)), addr) +#define __clrsetbits(readfunction, writefunction, addr, mask, set) \ + writefunction(((readfunction(addr) & ~(mask)) | (set)), addr) +#define __setclrbits(readfunction, writefunction, addr, mask, set) \ + writefunction(((readfunction(addr) | (seti)) & ~(mask)), addr) + +#define setbits32(addr, set) __setbits(readl, writel, addr, set) +#define setbits32_relaxed(addr, set) __setbits(readl_relaxed, writel_relaxed, \ + addr, set) + +#define clrbits32(addr, mask) __clrbits(readl, writel, addr, mask) +#define clrbits32_relaxed(addr, mask) __clrbits(readl_relaxed, writel_relaxed, \ + addr, mask) + +#define clrsetbits32(addr, mask, set) __clrsetbits(readl, writel, addr, mask, set) +#define clrsetbits32_relaxed(addr, mask, set) __clrsetbits(readl_relaxed, \ + writel_relaxed, \ + addr, mask, set) + +#define setclrbits32(addr, mask, set) __setclrbits(readl, writel, addr, mask, set) +#define setclrbits32_relaxed(addr, mask, set) __setclrbits(readl_relaxed, \ + writel_relaxed, \ + addr, mask, set) + +/* We cannot use CONFIG_64BIT as some x86 drivers use writeq */ +#if defined(writeq) && defined(readq) +#define setbits64(addr, set) __setbits(readq, writeq, addr, set) +#define setbits64_relaxed(addr, set) __setbits(readq_relaxed, writeq_relaxed, \ + addr, set) + +#define clrbits64(addr, mask) __clrbits(readq, writeq, addr, mask) +#define clrbits64_relaxed(addr, mask) __clrbits(readq_relaxed, writeq_relaxed, \ + addr, mask) + +#define clrsetbits64(addr, mask, set) __clrsetbits(readq, writeq, addr, mask, set) +#define clrsetbits64_relaxed(addr, mask, set) __clrsetbits(readq_relaxed, \ + writeq_relaxed, \ + addr, mask, set) + +#define setclrbits64(addr, mask, set) __setclrbits(readq, writeq, addr, mask, set) +#define setclrbits64_relaxed(addr, mask, set) __setclrbits(readq_relaxed, \ + writeq_relaxed, \ + addr, mask, set) +#endif /* writeq/readq */ + +#endif /* __LINUX_SETBITS_H */ -- 2.16.4