On Thu, 12 Oct 2017 12:40:10 +0200 Lukas Wunner <[email protected]> wrote:
> A common idiom is to assign a value to a bit with:
>
> if (value)
> set_bit(nr, addr);
> else
> clear_bit(nr, addr);
>
> Likewise common is the one-line expression variant:
>
> value ? set_bit(nr, addr) : clear_bit(nr, addr);
>
> Commit 9a8ac3ae682e ("dm mpath: cleanup QUEUE_IF_NO_PATH bit
> manipulation by introducing assign_bit()") introduced assign_bit()
> to the md subsystem for brevity.
>
> Make it available to others, specifically gpiolib and the upcoming
> driver for Maxim MAX3191x industrial serializer chips.
>
> As requested by Peter Zijlstra, change the argument order to reflect
> traditional "dst = src" in C, hence "assign_bit(nr, addr, value)".
Acked-by: Andrew Morton <[email protected]>
