Re: [PATCH v2 4/8] powerpc: add io{read,write}64 accessors

On 05/09/2016 03:20 AM, Horia Ioan Geanta Neag wrote:=0A=

On 5/5/2016 6:37 PM, Horia Geant=E3 wrote:=0A=

quoted

This will allow device drivers to consistently use io{read,write}XX=0A=
also for 64-bit accesses.=0A=
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Signed-off-by: Horia Geant=E3 <horia.geanta@nxp.com>=0A=

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It would be great if PPC maintainers could Ack this patch.=0A=
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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=

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It looks good to me.  Michael?=0A=
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-Scott=0A=
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Thanks,=0A=
Horia=0A=
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quoted

---=0A=
 arch/powerpc/kernel/iomap.c | 24 ++++++++++++++++++++++++=0A=
 1 file changed, 24 insertions(+)=0A=
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diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c=

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quoted

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=

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