diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx3/mach-mx31moboard.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c index 95633bb..67776bc 100644 --- a/arch/arm/mach-mx3/mach-mx31moboard.c +++ b/arch/arm/mach-mx3/mach-mx31moboard.c @@ -125,13 +125,25 @@ static struct platform_device mx31moboard_flash = { static int moboard_uart0_init(struct platform_device *pdev) { - gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); - gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); - return 0; + int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); + if (ret) + return ret; + + ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); + if (ret) + gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); + + return ret; +} + +static void moboard_uart0_exit(struct platform_device *pdev) +{ + gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); } static const struct imxuart_platform_data uart0_pdata __initconst = { .init = moboard_uart0_init, + .exit = moboard_uart0_exit, }; static const struct imxuart_platform_data uart4_pdata __initconst = { |
