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Date: Tue, 19 Feb 2019 17:36:54 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Arnd Bergmann <arnd@...db.de>
Cc: Linux Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Hugo Lefeuvre <hle@....eu.com>
Subject: linux-next: build failure after merge of the asm-generic tree
Hi Arnd,
After merging the asm-generic tree, today's linux-next build (powerpc
allnoconfig) failed like this:
arch/powerpc/kernel/iomap.c:18:14: error: conflicting types for 'ioread8'
unsigned int ioread8(void __iomem *addr)
^~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:29:21: note: previous declaration of 'ioread8' was here
extern unsigned int ioread8(const void __iomem *addr);
^~~~~~~
arch/powerpc/kernel/iomap.c:22:14: error: conflicting types for 'ioread16'
unsigned int ioread16(void __iomem *addr)
^~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:30:21: note: previous declaration of 'ioread16' was here
extern unsigned int ioread16(const void __iomem *addr);
^~~~~~~~
arch/powerpc/kernel/iomap.c:26:14: error: conflicting types for 'ioread16be'
unsigned int ioread16be(void __iomem *addr)
^~~~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:31:21: note: previous declaration of 'ioread16be' was here
extern unsigned int ioread16be(const void __iomem *addr);
^~~~~~~~~~
arch/powerpc/kernel/iomap.c:30:14: error: conflicting types for 'ioread32'
unsigned int ioread32(void __iomem *addr)
^~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:32:21: note: previous declaration of 'ioread32' was here
extern unsigned int ioread32(const void __iomem *addr);
^~~~~~~~
arch/powerpc/kernel/iomap.c:34:14: error: conflicting types for 'ioread32be'
unsigned int ioread32be(void __iomem *addr)
^~~~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:33:21: note: previous declaration of 'ioread32be' was here
extern unsigned int ioread32be(const void __iomem *addr);
^~~~~~~~~~
arch/powerpc/kernel/iomap.c:142:6: error: conflicting types for 'ioread8_rep'
void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
^~~~~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:82:13: note: previous declaration of 'ioread8_rep' was here
extern void ioread8_rep(const void __iomem *port, void *buf, unsigned long count);
^~~~~~~~~~~
arch/powerpc/kernel/iomap.c:146:6: error: conflicting types for 'ioread16_rep'
void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
^~~~~~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:83:13: note: previous declaration of 'ioread16_rep' was here
extern void ioread16_rep(const void __iomem *port, void *buf, unsigned long count);
^~~~~~~~~~~~
arch/powerpc/kernel/iomap.c:150:6: error: conflicting types for 'ioread32_rep'
void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
^~~~~~~~~~~~
In file included from arch/powerpc/include/asm/io.h:653,
from include/linux/io.h:25,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from arch/powerpc/kernel/iomap.c:7:
include/asm-generic/iomap.h:84:13: note: previous declaration of 'ioread32_rep' was here
extern void ioread32_rep(const void __iomem *port, void *buf, unsigned long count);
^~~~~~~~~~~~
Caused by commit
8e074c243ed3 ("iomap: add missing const to ioread*/iowrite addr arg")
The const qualifiers are also missing in:
arch/parisc/lib/iomap.c
arch/sh/kernel/iomap.c
I have reverted that commit for today.
BTW, that commit only added the const to the ioread* functions ...
--
Cheers,
Stephen Rothwell
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