arch/alpha/include/asm/core_t2.h:594:22: warning: no previous prototype for 't2_iowrite64'

From: kernel test robot
Date: Fri Nov 03 2023 - 10:41:26 EST

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Hi Arnd,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8f6f76a6a29f36d2f3e4510d0bde5046672f6924
commit: e19d4ebc536dadb607fe305fdaf48218d3e32d7c alpha: add full ioread64/iowrite64 implementation
date: 1 year, 1 month ago
config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20231103/202311032258.9xJLwa3U-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311032258.9xJLwa3U-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311032258.9xJLwa3U-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from arch/alpha/kernel/core_t2.c:15:
arch/alpha/include/asm/core_t2.h:465:20: warning: no previous prototype for 't2_readb' [-Wmissing-prototypes]
465 | __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
| ^~~~~~~~
arch/alpha/include/asm/core_t2.h:476:21: warning: no previous prototype for 't2_readw' [-Wmissing-prototypes]
476 | __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
| ^~~~~~~~
arch/alpha/include/asm/core_t2.h:491:21: warning: no previous prototype for 't2_readl' [-Wmissing-prototypes]
491 | __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
| ^~~~~~~~
arch/alpha/include/asm/core_t2.h:502:21: warning: no previous prototype for 't2_readq' [-Wmissing-prototypes]
502 | __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
| ^~~~~~~~
arch/alpha/include/asm/core_t2.h:515:22: warning: no previous prototype for 't2_writeb' [-Wmissing-prototypes]
515 | __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:526:22: warning: no previous prototype for 't2_writew' [-Wmissing-prototypes]
526 | __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:541:22: warning: no previous prototype for 't2_writel' [-Wmissing-prototypes]
541 | __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:550:22: warning: no previous prototype for 't2_writeq' [-Wmissing-prototypes]
550 | __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:562:31: warning: no previous prototype for 't2_ioportmap' [-Wmissing-prototypes]
562 | __EXTERN_INLINE void __iomem *t2_ioportmap(unsigned long addr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/core_t2.h:567:31: warning: no previous prototype for 't2_ioremap' [-Wmissing-prototypes]
567 | __EXTERN_INLINE void __iomem *t2_ioremap(unsigned long addr,
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:573:21: warning: no previous prototype for 't2_is_ioaddr' [-Wmissing-prototypes]
573 | __EXTERN_INLINE int t2_is_ioaddr(unsigned long addr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/core_t2.h:578:21: warning: no previous prototype for 't2_is_mmio' [-Wmissing-prototypes]
578 | __EXTERN_INLINE int t2_is_mmio(const volatile void __iomem *addr)
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:587:23: warning: no previous prototype for 't2_ioread8' [-Wmissing-prototypes]
587 | __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:602:1: note: in expansion of macro 'IOPORT'
602 | IOPORT(b, 8)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:594:22: warning: no previous prototype for 't2_iowrite8' [-Wmissing-prototypes]
594 | __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:602:1: note: in expansion of macro 'IOPORT'
602 | IOPORT(b, 8)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:587:23: warning: no previous prototype for 't2_ioread16' [-Wmissing-prototypes]
587 | __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:603:1: note: in expansion of macro 'IOPORT'
603 | IOPORT(w, 16)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:594:22: warning: no previous prototype for 't2_iowrite16' [-Wmissing-prototypes]
594 | __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:603:1: note: in expansion of macro 'IOPORT'
603 | IOPORT(w, 16)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:587:23: warning: no previous prototype for 't2_ioread32' [-Wmissing-prototypes]
587 | __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:604:1: note: in expansion of macro 'IOPORT'
604 | IOPORT(l, 32)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:594:22: warning: no previous prototype for 't2_iowrite32' [-Wmissing-prototypes]
594 | __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:604:1: note: in expansion of macro 'IOPORT'
604 | IOPORT(l, 32)
| ^~~~~~
arch/alpha/include/asm/core_t2.h:587:23: warning: no previous prototype for 't2_ioread64' [-Wmissing-prototypes]
587 | __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~
arch/alpha/include/asm/core_t2.h:605:1: note: in expansion of macro 'IOPORT'
605 | IOPORT(q, 64)
| ^~~~~~
>> arch/alpha/include/asm/core_t2.h:594:22: warning: no previous prototype for 't2_iowrite64' [-Wmissing-prototypes]
594 | __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~
arch/alpha/include/asm/core_t2.h:605:1: note: in expansion of macro 'IOPORT'
605 | IOPORT(q, 64)
| ^~~~~~
In file included from arch/alpha/kernel/core_t2.c:14:
arch/alpha/include/asm/core_t2.h:614:33: warning: no previous prototype for 't2_iounmap' [-Wmissing-prototypes]
614 | #define __IO_PREFIX t2
| ^~
arch/alpha/include/asm/io.h:137:25: note: in definition of macro '_IO_CONCAT'
137 | #define _IO_CONCAT(a,b) a ## _ ## b
| ^
arch/alpha/include/asm/io_trivial.h:141:22: note: in expansion of macro 'IO_CONCAT'
141 | __EXTERN_INLINE void IO_CONCAT(__IO_PREFIX,iounmap)(volatile void __iomem *a)
| ^~~~~~~~~
arch/alpha/include/asm/io_trivial.h:141:32: note: in expansion of macro '__IO_PREFIX'
141 | __EXTERN_INLINE void IO_CONCAT(__IO_PREFIX,iounmap)(volatile void __iomem *a)
| ^~~~~~~~~~~
--
In file included from arch/alpha/kernel/sys_jensen.c:12:
arch/alpha/include/asm/jensen.h:92:22: warning: no previous prototype for 'jensen_set_hae' [-Wmissing-prototypes]
92 | __EXTERN_INLINE void jensen_set_hae(unsigned long addr)
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:115:30: warning: no previous prototype for 'jensen_local_inb' [-Wmissing-prototypes]
115 | __EXTERN_INLINE unsigned int jensen_local_inb(unsigned long addr)
| ^~~~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:120:22: warning: no previous prototype for 'jensen_local_outb' [-Wmissing-prototypes]
120 | __EXTERN_INLINE void jensen_local_outb(u8 b, unsigned long addr)
| ^~~~~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:126:30: warning: no previous prototype for 'jensen_bus_inb' [-Wmissing-prototypes]
126 | __EXTERN_INLINE unsigned int jensen_bus_inb(unsigned long addr)
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:135:22: warning: no previous prototype for 'jensen_bus_outb' [-Wmissing-prototypes]
135 | __EXTERN_INLINE void jensen_bus_outb(u8 b, unsigned long addr)
| ^~~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:155:20: warning: no previous prototype for 'jensen_inb' [-Wmissing-prototypes]
155 | __EXTERN_INLINE u8 jensen_inb(unsigned long addr)
| ^~~~~~~~~~
arch/alpha/include/asm/jensen.h:163:22: warning: no previous prototype for 'jensen_outb' [-Wmissing-prototypes]
163 | __EXTERN_INLINE void jensen_outb(u8 b, unsigned long addr)
| ^~~~~~~~~~~
arch/alpha/include/asm/jensen.h:171:21: warning: no previous prototype for 'jensen_inw' [-Wmissing-prototypes]
171 | __EXTERN_INLINE u16 jensen_inw(unsigned long addr)
| ^~~~~~~~~~
arch/alpha/include/asm/jensen.h:181:21: warning: no previous prototype for 'jensen_inl' [-Wmissing-prototypes]
181 | __EXTERN_INLINE u32 jensen_inl(unsigned long addr)
| ^~~~~~~~~~
>> arch/alpha/include/asm/jensen.h:187:21: warning: no previous prototype for 'jensen_inq' [-Wmissing-prototypes]
187 | __EXTERN_INLINE u64 jensen_inq(unsigned long addr)
| ^~~~~~~~~~
arch/alpha/include/asm/jensen.h:193:22: warning: no previous prototype for 'jensen_outw' [-Wmissing-prototypes]
193 | __EXTERN_INLINE void jensen_outw(u16 b, unsigned long addr)
| ^~~~~~~~~~~
arch/alpha/include/asm/jensen.h:200:22: warning: no previous prototype for 'jensen_outl' [-Wmissing-prototypes]
200 | __EXTERN_INLINE void jensen_outl(u32 b, unsigned long addr)
| ^~~~~~~~~~~
arch/alpha/include/asm/jensen.h:207:22: warning: no previous prototype for 'jensen_outq' [-Wmissing-prototypes]
207 | __EXTERN_INLINE void jensen_outq(u64 b, unsigned long addr)
| ^~~~~~~~~~~
arch/alpha/include/asm/jensen.h:218:20: warning: no previous prototype for 'jensen_readb' [-Wmissing-prototypes]
218 | __EXTERN_INLINE u8 jensen_readb(const volatile void __iomem *xaddr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:230:21: warning: no previous prototype for 'jensen_readw' [-Wmissing-prototypes]
230 | __EXTERN_INLINE u16 jensen_readw(const volatile void __iomem *xaddr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:242:21: warning: no previous prototype for 'jensen_readl' [-Wmissing-prototypes]
242 | __EXTERN_INLINE u32 jensen_readl(const volatile void __iomem *xaddr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:250:21: warning: no previous prototype for 'jensen_readq' [-Wmissing-prototypes]
250 | __EXTERN_INLINE u64 jensen_readq(const volatile void __iomem *xaddr)
| ^~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:263:22: warning: no previous prototype for 'jensen_writeb' [-Wmissing-prototypes]
263 | __EXTERN_INLINE void jensen_writeb(u8 b, volatile void __iomem *xaddr)
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:271:22: warning: no previous prototype for 'jensen_writew' [-Wmissing-prototypes]
271 | __EXTERN_INLINE void jensen_writew(u16 b, volatile void __iomem *xaddr)
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:279:22: warning: no previous prototype for 'jensen_writel' [-Wmissing-prototypes]
279 | __EXTERN_INLINE void jensen_writel(u32 b, volatile void __iomem *xaddr)
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:287:22: warning: no previous prototype for 'jensen_writeq' [-Wmissing-prototypes]
287 | __EXTERN_INLINE void jensen_writeq(u64 b, volatile void __iomem *xaddr)
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:297:31: warning: no previous prototype for 'jensen_ioportmap' [-Wmissing-prototypes]
297 | __EXTERN_INLINE void __iomem *jensen_ioportmap(unsigned long addr)
| ^~~~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:302:31: warning: no previous prototype for 'jensen_ioremap' [-Wmissing-prototypes]
302 | __EXTERN_INLINE void __iomem *jensen_ioremap(unsigned long addr,
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:308:21: warning: no previous prototype for 'jensen_is_ioaddr' [-Wmissing-prototypes]
308 | __EXTERN_INLINE int jensen_is_ioaddr(unsigned long addr)
| ^~~~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:313:21: warning: no previous prototype for 'jensen_is_mmio' [-Wmissing-prototypes]
313 | __EXTERN_INLINE int jensen_is_mmio(const volatile void __iomem *addr)
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:322:23: warning: no previous prototype for 'jensen_ioread8' [-Wmissing-prototypes]
322 | __EXTERN_INLINE u##NS jensen_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:337:1: note: in expansion of macro 'IOPORT'
337 | IOPORT(b, 8)
| ^~~~~~
arch/alpha/include/asm/jensen.h:329:22: warning: no previous prototype for 'jensen_iowrite8' [-Wmissing-prototypes]
329 | __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:337:1: note: in expansion of macro 'IOPORT'
337 | IOPORT(b, 8)
| ^~~~~~
arch/alpha/include/asm/jensen.h:322:23: warning: no previous prototype for 'jensen_ioread16' [-Wmissing-prototypes]
322 | __EXTERN_INLINE u##NS jensen_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:338:1: note: in expansion of macro 'IOPORT'
338 | IOPORT(w, 16)
| ^~~~~~
arch/alpha/include/asm/jensen.h:329:22: warning: no previous prototype for 'jensen_iowrite16' [-Wmissing-prototypes]
329 | __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:338:1: note: in expansion of macro 'IOPORT'
338 | IOPORT(w, 16)
| ^~~~~~
arch/alpha/include/asm/jensen.h:322:23: warning: no previous prototype for 'jensen_ioread32' [-Wmissing-prototypes]
322 | __EXTERN_INLINE u##NS jensen_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:339:1: note: in expansion of macro 'IOPORT'
339 | IOPORT(l, 32)
| ^~~~~~
arch/alpha/include/asm/jensen.h:329:22: warning: no previous prototype for 'jensen_iowrite32' [-Wmissing-prototypes]
329 | __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:339:1: note: in expansion of macro 'IOPORT'
339 | IOPORT(l, 32)
| ^~~~~~
>> arch/alpha/include/asm/jensen.h:322:23: warning: no previous prototype for 'jensen_ioread64' [-Wmissing-prototypes]
322 | __EXTERN_INLINE u##NS jensen_ioread##NS(const void __iomem *xaddr) \
| ^~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:340:1: note: in expansion of macro 'IOPORT'
340 | IOPORT(q, 64)
| ^~~~~~
arch/alpha/include/asm/jensen.h:329:22: warning: no previous prototype for 'jensen_iowrite64' [-Wmissing-prototypes]
329 | __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr) \
| ^~~~~~~~~~~~~~
arch/alpha/include/asm/jensen.h:340:1: note: in expansion of macro 'IOPORT'
340 | IOPORT(q, 64)
| ^~~~~~
In file included from arch/alpha/kernel/sys_jensen.c:11:
arch/alpha/include/asm/jensen.h:348:33: warning: no previous prototype for 'jensen_iounmap' [-Wmissing-prototypes]
348 | #define __IO_PREFIX jensen
| ^~~~~~
arch/alpha/include/asm/io.h:137:25: note: in definition of macro '_IO_CONCAT'
137 | #define _IO_CONCAT(a,b) a ## _ ## b
| ^
arch/alpha/include/asm/io_trivial.h:141:22: note: in expansion of macro 'IO_CONCAT'
141 | __EXTERN_INLINE void IO_CONCAT(__IO_PREFIX,iounmap)(volatile void __iomem *a)
| ^~~~~~~~~
arch/alpha/include/asm/io_trivial.h:141:32: note: in expansion of macro '__IO_PREFIX'
141 | __EXTERN_INLINE void IO_CONCAT(__IO_PREFIX,iounmap)(volatile void __iomem *a)
| ^~~~~~~~~~~

vim +/t2_iowrite64 +594 arch/alpha/include/asm/core_t2.h

^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 582
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 583 /* New-style ioread interface. The mmio routines are so ugly for T2 that
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 584 it doesn't make sense to merge the pio and mmio routines. */
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 585
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 586 #define IOPORT(OS, NS) \
e19d4ebc536dad arch/alpha/include/asm/core_t2.h Arnd Bergmann 2022-10-03 587 __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 588 { \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 589 if (t2_is_mmio(xaddr)) \
5ae0b6c704877d include/asm-alpha/core_t2.h Jay Estabrook 2007-06-01 590 return t2_read##OS(xaddr); \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 591 else \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 592 return t2_in##OS((unsigned long)xaddr - T2_IO); \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 593 } \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 @594 __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 595 { \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 596 if (t2_is_mmio(xaddr)) \
5ae0b6c704877d include/asm-alpha/core_t2.h Jay Estabrook 2007-06-01 597 t2_write##OS(b, xaddr); \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 598 else \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 599 t2_out##OS(b, (unsigned long)xaddr - T2_IO); \
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 600 }
^1da177e4c3f41 include/asm-alpha/core_t2.h Linus Torvalds 2005-04-16 601

:::::: The code at line 594 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

--
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