Geert Uytterhoeven
8019938a85
pinctrl: renesas: Optimize sh_pfc_pin_config ...
Shrink sh_pfc_pin_config from 8 to 2 bytes:
- The mux_set flag can be removed, as a non-zero mark value means the
same (zero = PINMUX_RESERVED is an invalid mark value),
- The gpio_enabled flag needs only a single bit,
- Mark values are small integers, and can easily fit in a 15-bit
bitfield.
This saves 6 bytes per pin when allocating the sh_pfc_pinctrl.configs
array, i.e. it reduces run-time memory consumption by ca. 1.5 KiB.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20201028151637.1734130-5-geert+renesas@glider.be
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8019938a85