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SubjectRe: [PATCH 1/9] stringify: add HEX_STRING()
Em 10-07-2011 16:51, Randy Dunlap escreveu:
> From: Randy Dunlap <rdunlap@xenotime.net>
>
> Add HEX_STRING(value) to stringify.h so that drivers can
> convert kconfig hex values (without leading "0x") to useful
> hex constants.
>
> Several drivers/media/radio/ drivers need this. I haven't
> checked if any other drivers need to do this.
>
> Alternatively, kconfig could produce hex config symbols with
> leading "0x".

Hi Randy,

After applying patch 1/9 and 2/9 over 3.0-rc7+media patches, I'm
now getting this error:

drivers/media/radio/radio-aimslab.c:52:1: error: invalid suffix "x20f" on integer constant

$ grep 20f .config
CONFIG_RADIO_RTRACK_PORT=20f

$ gcc --version
gcc (GCC) 4.4.5 20110214 (Red Hat 4.4.5-6)

Before this patch, this were working (or, at least, weren't producing
any error).

Perhaps the breakage on your compilation happened due to another
patch at the tree? If so, the better would be to apply this patch
series together with the ones that caused the breakage, to avoid
bisect troubles.

>
> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
> ---
> include/linux/stringify.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> NOTE: The other 8 patches are on lkml and linux-media mailing lists.
>
> --- linux-next-20110707.orig/include/linux/stringify.h
> +++ linux-next-20110707/include/linux/stringify.h
> @@ -9,4 +9,11 @@
> #define __stringify_1(x...) #x
> #define __stringify(x...) __stringify_1(x)
>
> +/*
> + * HEX_STRING(value) is useful for CONFIG_ values that are in hex,
> + * but kconfig does not put a leading "0x" on them.
> + */
> +#define HEXSTRINGVALUE(h, value) h##value
> +#define HEX_STRING(value) HEXSTRINGVALUE(0x, value)
> +
> #endif /* !__LINUX_STRINGIFY_H */



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