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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2013-11-26 11:10:10 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-12-12 23:00:56 +0000 |
| commit | d8eec82c176a87aebc823ceed2b7656e43f88b49 (patch) | |
| tree | f7ec501782638911ad48b3c3c4b14b02269420f3 /arch/arm/mach-sa1100 | |
| parent | 8bed576c1a81d620765ec96f7b4e80dedaef1bcf (diff) | |
| download | linux-d8eec82c176a87aebc823ceed2b7656e43f88b49.tar.bz2 | |
ARM: 7900/1: sa1100: h3100: refactor IrDA GPIO handling
As GPIOs are going to move to platform device, there is no guarantee
that they will be available at init_machine time.
Request and free all GPIOs from IrDA startup/shutdown callbacks and not
at init_machine time.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-sa1100')
| -rw-r--r-- | arch/arm/mach-sa1100/h3100.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c index 5b78c9f9a11d..daa27c474c13 100644 --- a/arch/arm/mach-sa1100/h3100.c +++ b/arch/arm/mach-sa1100/h3100.c @@ -89,6 +89,11 @@ static void __init h3100_map_io(void) /* * This turns the IRDA power on or off on the Compaq H3100 */ +static struct gpio h3100_irda_gpio[] = { + { H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" }, + { H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" }, +}; + static int h3100_irda_set_power(struct device *dev, unsigned int state) { gpio_set_value(H3100_GPIO_IR_ON, state); @@ -100,14 +105,24 @@ static void h3100_irda_set_speed(struct device *dev, unsigned int speed) gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); } +static int h3100_irda_startup(struct device *dev) +{ + return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); +} + +static void h3100_irda_shutdown(struct device *dev) +{ + return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); +} + static struct irda_platform_data h3100_irda_data = { .set_power = h3100_irda_set_power, .set_speed = h3100_irda_set_speed, + .startup = h3100_irda_startup, + .shutdown = h3100_irda_shutdown, }; static struct gpio_default_state h3100_default_gpio[] = { - { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" }, - { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" }, { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, |