From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753156AbaEVQzn (ORCPT ); Thu, 22 May 2014 12:55:43 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:48870 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752816AbaEVQsQ (ORCPT ); Thu, 22 May 2014 12:48:16 -0400 From: Will Deacon To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, monstr@monstr.eu, dhowells@redhat.com, broonie@linaro.org, benh@kernel.crashing.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, Will Deacon Subject: [PATCH v2 11/18] mn10300: io: implement dummy relaxed accessor macros for writes Date: Thu, 22 May 2014 17:47:23 +0100 Message-Id: <1400777250-17335-12-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1400777250-17335-1-git-send-email-will.deacon@arm.com> References: <1400777250-17335-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org write{b,w,l}_relaxed are implemented by some architectures in order to permit memory-mapped I/O accesses with weaker barrier semantics than the non-relaxed variants. This patch adds dummy macros for the write accessors to mn10300, in the same vein as the dummy definitions for the relaxed read accessors. Cc: David Howells Signed-off-by: Will Deacon --- arch/mn10300/include/asm/io.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/mn10300/include/asm/io.h b/arch/mn10300/include/asm/io.h index e6ed0d897ccc..897ba3c12b32 100644 --- a/arch/mn10300/include/asm/io.h +++ b/arch/mn10300/include/asm/io.h @@ -67,6 +67,10 @@ static inline void writel(u32 b, volatile void __iomem *addr) #define __raw_writew writew #define __raw_writel writel +#define writeb_relaxed writeb +#define writew_relaxed writew +#define writel_relaxed writel + /*****************************************************************************/ /* * traditional input/output functions -- 1.9.2