Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755213AbbHLNpb (ORCPT ); Wed, 12 Aug 2015 09:45:31 -0400 Received: from foss.arm.com ([217.140.101.70]:58472 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755120AbbHLNp3 (ORCPT ); Wed, 12 Aug 2015 09:45:29 -0400 Date: Wed, 12 Aug 2015 14:45:26 +0100 From: Will Deacon To: Horia =?utf-8?Q?Geant=C4=83?= Cc: Catalin Marinas , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Alex Porosanu Subject: Re: [PATCH] arm64: add ioread64be and iowrite64be macros Message-ID: <20150812134526.GD23540@arm.com> References: <1439382275-21678-1-git-send-email-horia.geanta@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1439382275-21678-1-git-send-email-horia.geanta@freescale.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1794 Lines: 42 On Wed, Aug 12, 2015 at 01:24:35PM +0100, Horia Geantă wrote: Please add a commit message here, preferably explaining why you appear to be adding a macro that doesn't have any callers in mainline linux. Will > Signed-off-by: Alex Porosanu > Signed-off-by: Horia Geantă > --- > arch/arm64/include/asm/io.h | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h > index 44be1e03ed65..9b6e408cfa51 100644 > --- a/arch/arm64/include/asm/io.h > +++ b/arch/arm64/include/asm/io.h > @@ -174,13 +174,15 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size); > #define iounmap __iounmap > > /* > - * io{read,write}{16,32}be() macros > + * io{read,write}{16,32,64}be() macros > */ > #define ioread16be(p) ({ __u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) > #define ioread32be(p) ({ __u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) > +#define ioread64be(p) ({ __u64 __v = be64_to_cpu((__force __be64)__raw_readq(p)); __iormb(); __v; }) > > #define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force __u16)cpu_to_be16(v), p); }) > #define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force __u32)cpu_to_be32(v), p); }) > +#define iowrite64be(v,p) ({ __iowmb(); __raw_writeq((__force __u64)cpu_to_be64(v), p); }) > > /* > * Convert a physical pointer to a virtual kernel pointer for /dev/mem > -- > 2.4.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/