[PATCH 1/3] powerpc/io: Add __raw_writeq_be() __raw_rm_writeq_be()

[Michael Ellerman]

Samuel Mendoza-Jonas <sam at mendozajonas.com> writes:

> On Mon, 2018-05-14 at 22:50 +1000, Michael Ellerman wrote:
>> Add byte-swapping versions of __raw_writeq() and __raw_rm_writeq().
>> 
>> This allows us to avoid sparse warnings caused by passing __be64 to
>> __raw_writeq(), which takes unsigned long:
>> 
>>   arch/powerpc/platforms/powernv/pci-ioda.c:1981:38:
>>   warning: incorrect type in argument 1 (different base types)
>>       expected unsigned long [unsigned] v
>>       got restricted __be64 [usertype] <noident>
>> 
>> It's also generally preferable to use a byte-swapping accessor rather
>> than doing it by hand in the code, which is more bug prone.
>> 
>> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
>
> For this and the following patches:
>
> Reviewed-by: Samuel Mendoza-Jonas <sam at mendozajonas.com>

Thanks.

cheers