GPIO_DR 482 drivers/gpio/gpio-mxc.c port->base + GPIO_DR, NULL, GPIO_DR 543 drivers/gpio/gpio-mxc.c port->gpio_saved_reg.dr = readl(port->base + GPIO_DR); GPIO_DR 556 drivers/gpio/gpio-mxc.c writel(port->gpio_saved_reg.dr, port->base + GPIO_DR);