GPIO_VIRT_BASE 70 arch/arm/mach-mv78xx0/irq.c orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE, GPIO_VIRT_BASE 52 arch/arm/mach-orion5x/irq.c orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE, 0,