Messages in this thread | | | From | Andreas Schwab <> | Subject | Re: Help with compiler warning | Date | Sun, 24 Aug 2008 18:32:26 +0200 |
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Larry Finger <Larry.Finger@lwfinger.net> writes:
> Benny Halevy wrote: >> On Aug. 24, 2008, 18:29 +0300, Benny Halevy <bhalevy@panasas.com> wrote: >>> 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?
The cast needs to be in memcpy_fromio, but there is already one, so why do you get a warning in the first place?
Andreas.
-- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." -- 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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