lkml.org 
[lkml]   [2008]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Help with compiler warning
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/

--
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/

\
 
 \ /
  Last update: 2008-08-24 17:31    [W:0.034 / U:1.748 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site