Messages in this thread | | | Date | Sun, 24 Aug 2008 18:29:26 +0300 | From | Benny Halevy <> | Subject | Re: Help with compiler warning |
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On Aug. 22, 2008, 4:36 +0300, Larry Finger <Larry.Finger@lwfinger.net> wrote: > In drivers/pcmcia/cardbus.c, the following statement > > memcpy_fromio(ptr, s->cb_cis_virt + addr, len); > > generates the warning > > CC [M] drivers/pcmcia/cardbus.o > include/asm/io_32.h: In function ‘memcpy_fromio’: > include/asm/io_32.h:151: warning: passing argument 2 of ‘__memcpy’ > discards qualifiers from pointer target type > > s->cb_cis_virt is "void __iomem" and addr is uint. > > What cast does argument 2 need to silence the warning?
memcpy_fromio takes a (const volatile void __iomem *) for the src address.
Benny
> > Thanks, > > Larry > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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