From patchwork Wed Apr 4 23:58:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10323651 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9FDAD600CB for ; Thu, 5 Apr 2018 00:00:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 906422904D for ; Thu, 5 Apr 2018 00:00:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 853612907C; Thu, 5 Apr 2018 00:00:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0C8DF2904D for ; Thu, 5 Apr 2018 00:00:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752661AbeDDX7R (ORCPT ); Wed, 4 Apr 2018 19:59:17 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:35598 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752630AbeDDX6a (ORCPT ); Wed, 4 Apr 2018 19:58:30 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id E861F60F71; Wed, 4 Apr 2018 23:58:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1522886309; bh=Wa7ULn3zzcQWdX7gn4ZJqbdpUrD3y8I8uLviqBbXFl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QgkTbMpTsBwq7OMZSjRx6WrH9QxT/oDKCJAMlpTbNIup9jh2RLyi6+Wy3E/MTqCQ4 V5UYTjP2PFpkqxjIw6XxJbejk5zn42JMoIMvMWWbMWLe/uloDqQkX0FpV8nhuEQQ09 9nPyhPGnvLdtqdC/pP1bRlKq/TYV25uNAU6B/u+8= Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id C0C4760F6B; Wed, 4 Apr 2018 23:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1522886309; bh=Wa7ULn3zzcQWdX7gn4ZJqbdpUrD3y8I8uLviqBbXFl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QgkTbMpTsBwq7OMZSjRx6WrH9QxT/oDKCJAMlpTbNIup9jh2RLyi6+Wy3E/MTqCQ4 V5UYTjP2PFpkqxjIw6XxJbejk5zn42JMoIMvMWWbMWLe/uloDqQkX0FpV8nhuEQQ09 9nPyhPGnvLdtqdC/pP1bRlKq/TYV25uNAU6B/u+8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C0C4760F6B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/5] io: change outX() to have their own IO barrier overrides Date: Wed, 4 Apr 2018 19:58:19 -0400 Message-Id: <1522886301-25955-4-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1522886301-25955-1-git-send-email-okaya@codeaurora.org> References: <1522886301-25955-1-git-send-email-okaya@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Open code writeX() inside outX() so that outX() variants have their own overrideable Port IO barrier combinations as __io_pbw() and __io_paw() for actions to be taken before port IO and after port IO write. Signed-off-by: Sinan Kaya --- include/asm-generic/io.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index ca268d9..38a96d1 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -456,7 +456,9 @@ static inline u32 inl(unsigned long addr) #define outb outb static inline void outb(u8 value, unsigned long addr) { - writeb(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writeb(value, PCI_IOBASE + addr); + __io_paw(); } #endif @@ -464,7 +466,9 @@ static inline void outb(u8 value, unsigned long addr) #define outw outw static inline void outw(u16 value, unsigned long addr) { - writew(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writew(cpu_to_le16(value), PCI_IOBASE + addr); + __io_paw(); } #endif @@ -472,7 +476,9 @@ static inline void outw(u16 value, unsigned long addr) #define outl outl static inline void outl(u32 value, unsigned long addr) { - writel(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writel(cpu_to_le32(value), PCI_IOBASE + addr); + __io_paw(); } #endif