From: =?UTF-8?q?Horia=20Geant=C4=83?= Subject: [PATCH v2 4/8] powerpc: add io{read,write}64 accessors Date: Thu, 5 May 2016 18:36:13 +0300 Message-ID: <1462462573-27779-1-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 , Benjamin Herrenschmidt , Paul Mackerras , "Michael Ellerman" 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}XX also for 64-bit accesses. Signed-off-by: Horia Geant=C4=83 --- arch/powerpc/kernel/iomap.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c index 12e48d56f771..3963f0b68d52 100644 --- a/arch/powerpc/kernel/iomap.c +++ b/arch/powerpc/kernel/iomap.c @@ -38,6 +38,18 @@ EXPORT_SYMBOL(ioread16); EXPORT_SYMBOL(ioread16be); EXPORT_SYMBOL(ioread32); EXPORT_SYMBOL(ioread32be); +#ifdef __powerpc64__ +u64 ioread64(void __iomem *addr) +{ + return readq(addr); +} +u64 ioread64be(void __iomem *addr) +{ + return readq_be(addr); +} +EXPORT_SYMBOL(ioread64); +EXPORT_SYMBOL(ioread64be); +#endif /* __powerpc64__ */ =20 void iowrite8(u8 val, void __iomem *addr) { @@ -64,6 +76,18 @@ EXPORT_SYMBOL(iowrite16); EXPORT_SYMBOL(iowrite16be); EXPORT_SYMBOL(iowrite32); EXPORT_SYMBOL(iowrite32be); +#ifdef __powerpc64__ +void iowrite64(u64 val, void __iomem *addr) +{ + writeq(val, addr); +} +void iowrite64be(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} +EXPORT_SYMBOL(iowrite64); +EXPORT_SYMBOL(iowrite64be); +#endif /* __powerpc64__ */ =20 /* * These are the "repeat read/write" functions. Note the --=20 2.4.4