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On SuperH and ARM SH/R-Mobile SoCs, the pin control driver handles GPIOs, too. To reduce code size when compiling a kernel supporting only modern SoCs, most, but not all, of the GPIO functionality is protected by checks for CONFIG_PINCTRL_SH_FUNC_GPIO. Factor out the remaining parts when not needed: 1. sh_pfc_soc_info.{in,out}put describe GPIO pins that have input resp. output capabilities (SuperH and SH/R-Mobile). 2. sh_pfc_soc_info.gpio_irq{,_size} describe the mapping from GPIO pins to interrupt numbers (SH/R-Mobile). 3. sh_pfc_gpio_set_direction() configures GPIO direction, called from the GPIO driver through pinctrl_gpio_direction_{in,out}put() (SH/R-Mobile). Unfortunately this function cannot just be moved to drivers/pinctrl/renesas/gpio.c, as it relies on knowledge of sh_pfc_pinctrl, which is internal to drivers/pinctrl/renesas/pinctrl.c. While code size reduction is minimal, this does help in documenting depencies. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-9-geert+renesas@glider.be |
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.. | ||
core.c | ||
core.h | ||
gpio.c | ||
Kconfig | ||
Makefile | ||
pfc-emev2.c | ||
pfc-r8a73a4.c | ||
pfc-r8a7740.c | ||
pfc-r8a7778.c | ||
pfc-r8a7779.c | ||
pfc-r8a7790.c | ||
pfc-r8a7791.c | ||
pfc-r8a7792.c | ||
pfc-r8a7794.c | ||
pfc-r8a7796.c | ||
pfc-r8a77470.c | ||
pfc-r8a77950.c | ||
pfc-r8a77951.c | ||
pfc-r8a77965.c | ||
pfc-r8a77970.c | ||
pfc-r8a77980.c | ||
pfc-r8a77990.c | ||
pfc-r8a77995.c | ||
pfc-sh73a0.c | ||
pfc-sh7203.c | ||
pfc-sh7264.c | ||
pfc-sh7269.c | ||
pfc-sh7720.c | ||
pfc-sh7722.c | ||
pfc-sh7723.c | ||
pfc-sh7724.c | ||
pfc-sh7734.c | ||
pfc-sh7757.c | ||
pfc-sh7785.c | ||
pfc-sh7786.c | ||
pfc-shx3.c | ||
pinctrl-rza1.c | ||
pinctrl-rza2.c | ||
pinctrl-rzn1.c | ||
pinctrl.c | ||
sh_pfc.h |