bitops for handling 32 bits

[Anish Kumar]

> On Jul 28, 2015, at 10:46 PM, Kevin Wilson <wkevils at gmail.com> wrote:
> 
> Hi all,
> Is there a kernel API for handling 32 bits ?
> I see a macro like BIT(nr)
> http://lxr.free-electrons.com/source/include/linux/bitops.h#L6
> 
> #define BIT(nr)                 (1UL << (nr))
> 
> and also
> #define BIT_ULL(nr)             (1ULL << (nr))
> 
> However, these macros are using 64 bit semantics, so if I will use
> them with 32 bits values
> the results will  be wrong.

Did you try using it? The code is generic.
> 
> Any ideas ?
> 
> Regards,
> Kevin
> 
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