MIPS: RB532: provide GPIO_BUILTIN_NR and irq_to_gpio/gpio_to_irq
This patchs defines the number of built-in the GPIOs present on the SoC as Documentation/gpio.txt recommends to do. Define irq_to_gpio/gpio_to_irq to return the right values so that it fixes a compilation error on drivers/gpio/gpiolib.c when enabling debugfs. Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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