From: =?UTF-8?q?Horia=20Geant=C4=83?= Subject: [PATCH v2 3/8] arm64: add io{read,write}64be accessors Date: Thu, 5 May 2016 18:36:04 +0300 Message-ID: <1462462564-27731-1-git-send-email-horia.geanta@nxp.com> References: <1462462435-27403-1-git-send-email-horia.geanta@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: , , , "David S. Miller" , Scott Wood , Alexandru Porosanu , Tudor Ambarus , Cristian Stoica To: Herbert Xu , Catalin Marinas , Will Deacon Return-path: In-Reply-To: <1462462435-27403-1-git-send-email-horia.geanta@nxp.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org This will allow device drivers to consistently use io{read,write}XXbe also for 64-bit accesses. Signed-off-by: Alex Porosanu Signed-off-by: Horia Geant=C4=83 --- 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 ph= ys_addr, size_t size); #define iounmap __iounmap =20 /* - * io{read,write}{16,32}be() macros + * io{read,write}{16,32,64}be() macros */ #define ioread16be(p) ({ __u16 __v =3D be16_to_cpu((__force __be16)__= raw_readw(p)); __iormb(); __v; }) #define ioread32be(p) ({ __u32 __v =3D be32_to_cpu((__force __be32)__= raw_readl(p)); __iormb(); __v; }) +#define ioread64be(p) ({ __u64 __v =3D be64_to_cpu((__force __be64)__= raw_readq(p)); __iormb(); __v; }) =20 #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); }) =20 /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem --=20 2.4.4