2012/6/28 Joe Perches <joe@xxxxxxxxxxx>:
> On Thu, 2012-06-28 at 21:56 +0200, Rafał Miłecki wrote:
>> 2012/6/28 Johannes Berg <johannes@xxxxxxxxxxxxxxxx>:
>> > On Thu, 2012-06-28 at 21:44 +0200, Rafał Miłecki wrote:
>> >
>> >> +#define bcma_err(fmt, ...) \
>> >> + pr_err(KBUILD_MODNAME "-%d: " fmt, bus->num, ##__VA_ARGS__)
>> >
>> > both of your options seem to rely on "bus" being a variable in the
>> > context, is that really a good idea?
>>
>> Yeah, I made that assumption to make calls nicer & shorter. We may
>> need to get reference to "bus" in function or two.
>>
>> I saw such a solution in "radeon" gpu driver, example:
>> value = RREG32(R600_AUDIO_STATUS_BITS);
>> (they assume "rdev" is available in every function calling RREG32).
>
> I think that radeon use is ugly myself.
>
>> If you believe it's ugly, I can change that. I also wonder what Joe
>> will respond.
>>
>> P.S.
>> Both patches are not signed yet and they are supposed to be RFC. Sorry
>> for missing that in subject line.
>
> I think it'd be better to add and use:
>
> #define bcma_bus_err(bus, fmt, ...) \
> pr_err("bus %d: " fmt, (bus)->num, ##__VA_ARGS__)
>
> #define bcma_bus_info(bus, fmt, ...) \
> pr_info("bus %d: " fmt, (bus)->num, ##__VA_ARGS__)
>
> or some other equivalent use if you're wedded
> to wanting "bcma-%d:" prefixed output.
>
> I'd rather have the prefix be something like "bcma: <bus#>: ",
> so a dmesg grep pattern can be "^bcma:" but hey, it ain't my code.
OK, thanks for your opinion. Just to be sure, did you mean:
bcma: bus0: FOO BAR
or
bcma: <bus0>: FOO BAR
?
Personally I don't really care, but maybe there is already similar
case in some other driver you know about? It could be nice to be
consistent across the kernel.
--
Rafał
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