| commit | 7ddea756540b5adddfde3b890fa46a40c649e68f | [log] [tgz] |
|---|---|---|
| author | Rasmus Villemoes <rasmus.villemoes@prevas.dk> | Fri Mar 13 01:06:38 2020 +0100 |
| committer | Jagan Teki <jagan@amarulasolutions.com> | Wed Apr 29 01:44:35 2020 +0530 |
| tree | 818c6604e5cb8757a1b7609b609d3d2f1af362be | |
| parent | 91afd36f3802aee001a2f551ea1d77aca428b0a9 [diff] |
spi: use is_power_of_2 instead of hweight32 in spi_nor_write() hweight32 is a somewhat expensive way to check for power-of-2. Use the is_power_of_2 helper, which does the standard and cheap idiom foo&(foo-1)==0. add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-96 (-96) Function old new delta spi_nor_write 388 292 -96 Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Acked-by: Vignesh Raghavendra <vigneshr@ti.com> Acked-by: Jagan Teki <jagan@amarulasolutions.com>