Re: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c

Christoph Hellwig <[email protected]>
Newsgroups gmane.linux.ports.alpha,gmane.linux.ports.arm.kernel,gmane.linux.kernel,gmane.linux.ports.parisc,gmane.linux.ports.sh.devel,gmane.linux.uml.devel,gmane.linux.kernel.cross-arch,gmane.linux.ports.ppc64.devel,gmane.linux.ports.arm.msm,gmane.linux.drivers.mtd,gmane.linux.sound
Message-ID <[email protected]>
On Tue, Oct 08, 2024 at 09:27:20AM +0000, Arnd Bergmann wrote:
> >  #endif /* CONFIG_TRACE_MMIO_ACCESS */
> > 
> > +extern void memcpy_fromio(void *to, const volatile void __iomem *from,
> > +			  size_t count);
> > +extern void memcpy_toio(volatile void __iomem *to, const void *from,
> > +			size_t count);
> > +extern void memset_io(volatile void __iomem *dst, int c, size_t count);
> > +
> 
> I think having this globally visible is the reason you are running
> into the mismatched prototypes.

Yes, especially as architectures sometimes actually implement this
as macro or inline function.

Please also drop the pointless externs while you're at it.
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