Re: [PATCH v2 4/8] powerpc: add io{read,write}64 accessors
flat view
From: Horia Ioan Geanta Neag <horia.geanta@nxp.com>
Date: 2016-05-09 08:53:18
Also in:
linux-crypto, lkml
On 5/5/2016 6:37 PM, Horia Geant=E3 wrote:=0A=
This will allow device drivers to consistently use io{read,write}XX=0A=
also for 64-bit accesses.=0A=
=0A=
Signed-off-by: Horia Geant=E3 <horia.geanta@nxp.com>=0A==0A= It would be great if PPC maintainers could Ack this patch.=0A= =0A= As stated in the cover letter: https://lkml.org/lkml/2016/5/5/340=0A= I'd like to go with the whole patch set via cryptodev-2.6 tree.=0A= =0A= Thanks,=0A= Horia=0A= =0A=
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---=0A= arch/powerpc/kernel/iomap.c | 24 ++++++++++++++++++++++++=0A= 1 file changed, 24 insertions(+)=0A= =0A=diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c=0A= index 12e48d56f771..3963f0b68d52 100644=0A= --- a/arch/powerpc/kernel/iomap.c=0A= +++ b/arch/powerpc/kernel/iomap.c=0A=@@ -38,6 +38,18 @@ EXPORT_SYMBOL(ioread16);=0A= EXPORT_SYMBOL(ioread16be);=0A= EXPORT_SYMBOL(ioread32);=0A= EXPORT_SYMBOL(ioread32be);=0A= +#ifdef __powerpc64__=0A= +u64 ioread64(void __iomem *addr)=0A= +{=0A= + return readq(addr);=0A= +}=0A= +u64 ioread64be(void __iomem *addr)=0A= +{=0A= + return readq_be(addr);=0A= +}=0A= +EXPORT_SYMBOL(ioread64);=0A= +EXPORT_SYMBOL(ioread64be);=0A= +#endif /* __powerpc64__ */=0A= =0A= void iowrite8(u8 val, void __iomem *addr)=0A= {=0A=@@ -64,6 +76,18 @@ EXPORT_SYMBOL(iowrite16);=0A= EXPORT_SYMBOL(iowrite16be);=0A= EXPORT_SYMBOL(iowrite32);=0A= EXPORT_SYMBOL(iowrite32be);=0A= +#ifdef __powerpc64__=0A= +void iowrite64(u64 val, void __iomem *addr)=0A= +{=0A= + writeq(val, addr);=0A= +}=0A= +void iowrite64be(u64 val, void __iomem *addr)=0A= +{=0A= + writeq_be(val, addr);=0A= +}=0A= +EXPORT_SYMBOL(iowrite64);=0A= +EXPORT_SYMBOL(iowrite64be);=0A= +#endif /* __powerpc64__ */=0A= =0A= /*=0A= * These are the "repeat read/write" functions. Note the=0A==0A=
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