irq_to_gpio() is being called on a GPIO so change to using
gpio_to_irq() instead.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
                .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
        }, {
                .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000),
-               .irq = irq_to_gpio(CPUIMX51_QUARTD_GPIO),
+               .irq = gpio_to_irq(CPUIMX51_QUARTD_GPIO),
                .irqflags = IRQF_TRIGGER_HIGH,
                .uartclk = CPUIMX51_QUART_XTAL,
                .regshift = CPUIMX51_QUART_REGSHIFT,