From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: [PATCH v3 14/17] tile: io: implement dummy relaxed accessor macros for writes Date: Wed, 24 Sep 2014 18:17:33 +0100 Message-ID: <1411579056-16966-15-git-send-email-will.deacon@arm.com> References: <1411579056-16966-1-git-send-email-will.deacon@arm.com> Return-path: In-Reply-To: <1411579056-16966-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, benh@kernel.crashing.org, chris@zankel.net, cmetcalf@tilera.com, davem@davemloft.net, deller@gmx.de, dhowells@redhat.com, geert@linux-m68k.org, heiko.carstens@de.ibm.com, hpa@zytor.com, jcmvbkbc@gmail.com, jesper.nilsson@axis.com, mingo@redhat.com, monstr@monstr.eu, paulmck@linux.vnet.ibm.com, rdunlap@infradead.org, sam@ravnborg.org, schwidefsky@de.ibm.com, starvik@axis.com, takata@linux-m32r.org, tglx@linutronix.de, tony.luck@intel.com, daniel.thompson@linaro.org, broonie@linaro.org, linux@arm.linux.org.uk, Will Deacon List-Id: linux-arch.vger.kernel.org write{b,w,l,q}_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 tile, in the same vein as the dummy definitions for the relaxed read accessors. Acked-by: Chris Metcalf Signed-off-by: Will Deacon --- arch/tile/include/asm/io.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h index 9fe434969fab..d372641054d9 100644 --- a/arch/tile/include/asm/io.h +++ b/arch/tile/include/asm/io.h @@ -241,6 +241,10 @@ static inline void writeq(u64 val, unsigned long addr) #define readw_relaxed readw #define readl_relaxed readl #define readq_relaxed readq +#define writeb_relaxed writeb +#define writew_relaxed writew +#define writel_relaxed writel +#define writeq_relaxed writeq #define ioread8 readb #define ioread16 readw -- 2.1.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:41704 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753872AbaIXRUn (ORCPT ); Wed, 24 Sep 2014 13:20:43 -0400 From: Will Deacon Subject: [PATCH v3 14/17] tile: io: implement dummy relaxed accessor macros for writes Date: Wed, 24 Sep 2014 18:17:33 +0100 Message-ID: <1411579056-16966-15-git-send-email-will.deacon@arm.com> In-Reply-To: <1411579056-16966-1-git-send-email-will.deacon@arm.com> References: <1411579056-16966-1-git-send-email-will.deacon@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, benh@kernel.crashing.org, chris@zankel.net, cmetcalf@tilera.com, davem@davemloft.net, deller@gmx.de, dhowells@redhat.com, geert@linux-m68k.org, heiko.carstens@de.ibm.com, hpa@zytor.com, jcmvbkbc@gmail.com, jesper.nilsson@axis.com, mingo@redhat.com, monstr@monstr.eu, paulmck@linux.vnet.ibm.com, rdunlap@infradead.org, sam@ravnborg.org, schwidefsky@de.ibm.com, starvik@axis.com, takata@linux-m32r.org, tglx@linutronix.de, tony.luck@intel.com, daniel.thompson@linaro.org, broonie@linaro.org, linux@arm.linux.org.uk, Will Deacon Message-ID: <20140924171733.BdWpbtTMKLaJgqiykmKdQArAg0CykSDhdynDF0EFNdk@z> write{b,w,l,q}_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 tile, in the same vein as the dummy definitions for the relaxed read accessors. Acked-by: Chris Metcalf Signed-off-by: Will Deacon --- arch/tile/include/asm/io.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h index 9fe434969fab..d372641054d9 100644 --- a/arch/tile/include/asm/io.h +++ b/arch/tile/include/asm/io.h @@ -241,6 +241,10 @@ static inline void writeq(u64 val, unsigned long addr) #define readw_relaxed readw #define readl_relaxed readl #define readq_relaxed readq +#define writeb_relaxed writeb +#define writew_relaxed writew +#define writel_relaxed writel +#define writeq_relaxed writeq #define ioread8 readb #define ioread16 readw -- 2.1.0