From d54fc90cc9723d73eef25d09efcef412a6c89d60 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Horia=20Geant=C4=83?= Date: Thu, 19 May 2016 18:11:10 +0300 Subject: [PATCH] powerpc: add io{read,write}64 accessors MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This will allow device drivers to consistently use io{read,write}XX also for 64-bit accesses. Acked-by: Michael Ellerman Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu --- 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__ */ 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__ */ /* * These are the "repeat read/write" functions. Note the -- 2.11.0