Re: [PATCH v8 11/19] sh: add <asm-generic/io.h> including

From: John Paul Adrian Glaubitz
Date: Mon Jul 10 2023 - 04:46:53 EST

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Hi!

On Mon, 2023-07-10 at 10:17 +0200, Geert Uytterhoeven wrote:
> Hi Baoquan,
>
> On Thu, Jul 6, 2023 at 5:49 PM Baoquan He <bhe@xxxxxxxxxx> wrote:
> > In <asm-generic/io.h>, it provides a generic implementation of all
> > I/O accessors.
> >
> > For some port|mm io functions, SuperH has its own implementation
> > in arch/sh/kernel/iomap.c and arch/sh/include/asm/io_noioport.h.
> > These will conflict with those in <asm-generic/io.h> and cause compiling
> > error. Hence add macro definitions to ensure that the SuperH version
> > of them will override the generic version.
> >
> > Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
>
> Thanks for your patch, which is now commit edad4470b45298ba ("sh:
> add <asm-generic/io.h> including") in next-20230710.
>
> This break dreamcast_defconfig:
>
> CC arch/sh/kernel/asm-offsets.s
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:636:15: error: redefinition of ‘inb_p’
> 636 | #define inb_p inb_p
> | ^~~~~
> ./include/asm-generic/io.h:637:18: note: in expansion of macro ‘inb_p’
> 637 | static inline u8 inb_p(unsigned long addr)
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:185:25: note: previous definition of
> ‘inb_p’ with type ‘u8(long unsigned int)’ {aka ‘unsigned char(long
> unsigned int)’}
> 185 | static inline type pfx##in##bwlq##p(unsigned long port)
> \
> | ^~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:204:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 204 | BUILDIO_IOPORT(b, u8)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:644:15: error: redefinition of ‘inw_p’
> 644 | #define inw_p inw_p
> | ^~~~~
> ./include/asm-generic/io.h:645:19: note: in expansion of macro ‘inw_p’
> 645 | static inline u16 inw_p(unsigned long addr)
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:185:25: note: previous definition of
> ‘inw_p’ with type ‘u16(long unsigned int)’ {aka ‘short unsigned
> int(long unsigned int)’}
> 185 | static inline type pfx##in##bwlq##p(unsigned long port)
> \
> | ^~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:205:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 205 | BUILDIO_IOPORT(w, u16)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:652:15: error: redefinition of ‘inl_p’
> 652 | #define inl_p inl_p
> | ^~~~~
> ./include/asm-generic/io.h:653:19: note: in expansion of macro ‘inl_p’
> 653 | static inline u32 inl_p(unsigned long addr)
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:185:25: note: previous definition of
> ‘inl_p’ with type ‘u32(long unsigned int)’ {aka ‘unsigned int(long
> unsigned int)’}
> 185 | static inline type pfx##in##bwlq##p(unsigned long port)
> \
> | ^~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:206:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 206 | BUILDIO_IOPORT(l, u32)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:660:16: error: redefinition of ‘outb_p’
> 660 | #define outb_p outb_p
> | ^~~~~~
> ./include/asm-generic/io.h:661:20: note: in expansion of macro ‘outb_p’
> 661 | static inline void outb_p(u8 value, unsigned long addr)
> | ^~~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:176:25: note: previous definition of
> ‘outb_p’ with type ‘void(u8, long unsigned int)’ {aka ‘void(unsigned
> char, long unsigned int)’}
> 176 | static inline void pfx##out##bwlq##p(type val, unsigned long
> port) \
> | ^~~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:204:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 204 | BUILDIO_IOPORT(b, u8)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:668:16: error: redefinition of ‘outw_p’
> 668 | #define outw_p outw_p
> | ^~~~~~
> ./include/asm-generic/io.h:669:20: note: in expansion of macro ‘outw_p’
> 669 | static inline void outw_p(u16 value, unsigned long addr)
> | ^~~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:176:25: note: previous definition of
> ‘outw_p’ with type ‘void(u16, long unsigned int)’ {aka ‘void(short
> unsigned int, long unsigned int)’}
> 176 | static inline void pfx##out##bwlq##p(type val, unsigned long
> port) \
> | ^~~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:205:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 205 | BUILDIO_IOPORT(w, u16)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:676:16: error: redefinition of ‘outl_p’
> 676 | #define outl_p outl_p
> | ^~~~~~
> ./include/asm-generic/io.h:677:20: note: in expansion of macro ‘outl_p’
> 677 | static inline void outl_p(u32 value, unsigned long addr)
> | ^~~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:176:25: note: previous definition of
> ‘outl_p’ with type ‘void(u32, long unsigned int)’ {aka ‘void(unsigned
> int, long unsigned int)’}
> 176 | static inline void pfx##out##bwlq##p(type val, unsigned long
> port) \
> | ^~~
> ./arch/sh/include/asm/io.h:199:9: note: in expansion of macro
> ‘__BUILD_IOPORT_SINGLE’
> 199 | __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
> | ^~~~~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:202:9: note: in expansion of macro
> ‘__BUILD_IOPORT_PFX’
> 202 | __BUILD_IOPORT_PFX(, bwlq, type)
> | ^~~~~~~~~~~~~~~~~~
> ./arch/sh/include/asm/io.h:206:1: note: in expansion of macro ‘BUILDIO_IOPORT’
> 206 | BUILDIO_IOPORT(l, u32)
> | ^~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:689:14: error: redefinition of ‘insb’
> 689 | #define insb insb
> | ^~~~
> ./include/asm-generic/io.h:690:20: note: in expansion of macro ‘insb’
> 690 | static inline void insb(unsigned long addr, void *buffer,
> unsigned int count)
> | ^~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:222:20: note: previous definition of ‘insb’
> with type ‘void(long unsigned int, void *, unsigned int)’
> 222 | static inline void ins##bwlq(unsigned long port, void *addr,
> \
> | ^~~
> ./arch/sh/include/asm/io.h:233:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 233 | __BUILD_IOPORT_STRING(b, u8)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:697:14: error: redefinition of ‘insw’
> 697 | #define insw insw
> | ^~~~
> ./include/asm-generic/io.h:698:20: note: in expansion of macro ‘insw’
> 698 | static inline void insw(unsigned long addr, void *buffer,
> unsigned int count)
> | ^~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:222:20: note: previous definition of ‘insw’
> with type ‘void(long unsigned int, void *, unsigned int)’
> 222 | static inline void ins##bwlq(unsigned long port, void *addr,
> \
> | ^~~
> ./arch/sh/include/asm/io.h:234:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 234 | __BUILD_IOPORT_STRING(w, u16)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:705:14: error: redefinition of ‘insl’
> 705 | #define insl insl
> | ^~~~
> ./include/asm-generic/io.h:706:20: note: in expansion of macro ‘insl’
> 706 | static inline void insl(unsigned long addr, void *buffer,
> unsigned int count)
> | ^~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:222:20: note: previous definition of ‘insl’
> with type ‘void(long unsigned int, void *, unsigned int)’
> 222 | static inline void ins##bwlq(unsigned long port, void *addr,
> \
> | ^~~
> ./arch/sh/include/asm/io.h:235:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 235 | __BUILD_IOPORT_STRING(l, u32)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:713:15: error: redefinition of ‘outsb’
> 713 | #define outsb outsb
> | ^~~~~
> ./include/asm-generic/io.h:714:20: note: in expansion of macro ‘outsb’
> 714 | static inline void outsb(unsigned long addr, const void *buffer,
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:211:20: note: previous definition of
> ‘outsb’ with type ‘void(long unsigned int, const void *, unsigned
> int)’
> 211 | static inline void outs##bwlq(unsigned long port, const void
> *addr, \
> | ^~~~
> ./arch/sh/include/asm/io.h:233:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 233 | __BUILD_IOPORT_STRING(b, u8)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:722:15: error: redefinition of ‘outsw’
> 722 | #define outsw outsw
> | ^~~~~
> ./include/asm-generic/io.h:723:20: note: in expansion of macro ‘outsw’
> 723 | static inline void outsw(unsigned long addr, const void *buffer,
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:211:20: note: previous definition of
> ‘outsw’ with type ‘void(long unsigned int, const void *, unsigned
> int)’
> 211 | static inline void outs##bwlq(unsigned long port, const void
> *addr, \
> | ^~~~
> ./arch/sh/include/asm/io.h:234:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 234 | __BUILD_IOPORT_STRING(w, u16)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:731:15: error: redefinition of ‘outsl’
> 731 | #define outsl outsl
> | ^~~~~
> ./include/asm-generic/io.h:732:20: note: in expansion of macro ‘outsl’
> 732 | static inline void outsl(unsigned long addr, const void *buffer,
> | ^~~~~
> In file included from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./arch/sh/include/asm/io.h:211:20: note: previous definition of
> ‘outsl’ with type ‘void(long unsigned int, const void *, unsigned
> int)’
> 211 | static inline void outs##bwlq(unsigned long port, const void
> *addr, \
> | ^~~~
> ./arch/sh/include/asm/io.h:235:1: note: in expansion of macro
> ‘__BUILD_IOPORT_STRING’
> 235 | __BUILD_IOPORT_STRING(l, u32)
> | ^~~~~~~~~~~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:1111:20: error: static declaration of
> ‘ioport_map’ follows non-static declaration
> 1111 | #define ioport_map ioport_map
> | ^~~~~~~~~~
> ./include/asm-generic/io.h:1112:29: note: in expansion of macro ‘ioport_map’
> 1112 | static inline void __iomem *ioport_map(unsigned long port,
> unsigned int nr)
> | ^~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:22,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/iomap.h:92:22: note: previous declaration of
> ‘ioport_map’ with type ‘void *(long unsigned int, unsigned int)’
> 92 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
> | ^~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:290,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/io.h:1121:22: error: static declaration of
> ‘ioport_unmap’ follows non-static declaration
> 1121 | #define ioport_unmap ioport_unmap
> | ^~~~~~~~~~~~
> ./include/asm-generic/io.h:1122:20: note: in expansion of macro ‘ioport_unmap’
> 1122 | static inline void ioport_unmap(void __iomem *p)
> | ^~~~~~~~~~~~
> In file included from ./arch/sh/include/asm/io.h:22,
> from ./include/linux/io.h:13,
> from ./include/linux/irq.h:20,
> from ./include/asm-generic/hardirq.h:17,
> from ./arch/sh/include/asm/hardirq.h:9,
> from ./include/linux/hardirq.h:11,
> from ./include/linux/interrupt.h:11,
> from ./include/linux/kernel_stat.h:9,
> from ./include/linux/cgroup.h:26,
> from ./include/linux/memcontrol.h:13,
> from ./include/linux/swap.h:9,
> from ./include/linux/suspend.h:5,
> from arch/sh/kernel/asm-offsets.c:16:
> ./include/asm-generic/iomap.h:93:13: note: previous declaration of
> ‘ioport_unmap’ with type ‘void(void *)’
> 93 | extern void ioport_unmap(void __iomem *);
> | ^~~~~~~~~~~~
> make[2]: *** [scripts/Makefile.build:116: arch/sh/kernel/asm-offsets.s] Error 1
> make[1]: *** [Makefile:1275: prepare0] Error 2
> make: *** [Makefile:234: __sub-make] Error 2
>
> > --- a/arch/sh/include/asm/io.h
> > +++ b/arch/sh/include/asm/io.h
> > @@ -119,6 +119,26 @@ void __raw_readsl(const void __iomem *addr, void *data, int longlen);
> >
> > __BUILD_MEMORY_STRING(__raw_, q, u64)
> >
> > +#define ioread8 ioread8
> > +#define ioread16 ioread16
> > +#define ioread16be ioread16be
> > +#define ioread32 ioread32
> > +#define ioread32be ioread32be
> > +
> > +#define iowrite8 iowrite8
> > +#define iowrite16 iowrite16
> > +#define iowrite16be iowrite16be
> > +#define iowrite32 iowrite32
> > +#define iowrite32be iowrite32be
> > +
> > +#define ioread8_rep ioread8_rep
> > +#define ioread16_rep ioread16_rep
> > +#define ioread32_rep ioread32_rep
> > +
> > +#define iowrite8_rep iowrite8_rep
> > +#define iowrite16_rep iowrite16_rep
> > +#define iowrite32_rep iowrite32_rep
> > +
> > #ifdef CONFIG_HAS_IOPORT_MAP
> >
> > /*
> > @@ -225,6 +245,9 @@ __BUILD_IOPORT_STRING(q, u64)
> > #define IO_SPACE_LIMIT 0xffffffff
> >
> > /* We really want to try and get these to memcpy etc */
> > +#define memset_io memset_io
> > +#define memcpy_fromio memcpy_fromio
> > +#define memcpy_toio memcpy_toio
> > void memcpy_fromio(void *, const volatile void __iomem *, unsigned long);
> > void memcpy_toio(volatile void __iomem *, const void *, unsigned long);
> > void memset_io(volatile void __iomem *, int, unsigned long);
> > @@ -287,6 +310,8 @@ static inline void iounmap(volatile void __iomem *addr) { }
> > */
> > #define xlate_dev_mem_ptr(p) __va(p)
> >
> > +#include <asm-generic/io.h>
> > +
> > #define ARCH_HAS_VALID_PHYS_ADDR_RANGE
> > int valid_phys_addr_range(phys_addr_t addr, size_t size);
> > int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
> > diff --git a/arch/sh/include/asm/io_noioport.h b/arch/sh/include/asm/io_noioport.h
> > index f7938fe0f911..5ba4116b4265 100644
> > --- a/arch/sh/include/asm/io_noioport.h
> > +++ b/arch/sh/include/asm/io_noioport.h
> > @@ -53,6 +53,13 @@ static inline void ioport_unmap(void __iomem *addr)
> > #define outw_p(x, addr) outw((x), (addr))
> > #define outl_p(x, addr) outl((x), (addr))
> >
> > +#define insb insb
> > +#define insw insw
> > +#define insl insl
> > +#define outsb outsb
> > +#define outsw outsw
> > +#define outsl outsl
> > +
> > static inline void insb(unsigned long port, void *dst, unsigned long count)
> > {
> > BUG();
> > --
> > 2.34.1

I'm not happy though that this patch is in linux-next without being Acked by me
or being reviewed by anyone. We should always make sure first that the code
actually builds and has been tested on real hardware.

Adrian

--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913

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