Input: use for_each_set_bit() where appropriate
Instead of iterating over all bits in a bitmap and test them individually let's siwtch to for_each_set_bit() which is more compact and is also faster. Also use bitmap_weight() when counting number of set bits. This also fixes INPUT_DO_TOGGLE() implementation as it should have used *_CNT as the upper boundary, not *_MAX. Signed-off-by: NAnshul Garg <aksgarg1989@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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