diff options
author | Olof Johansson <olof@lixom.net> | 2014-07-20 01:59:07 +0400 |
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committer | Olof Johansson <olof@lixom.net> | 2014-07-20 01:59:07 +0400 |
commit | 4e9816d012dbc28dc89559261c6ffbf8ffc440dd (patch) | |
tree | dee9f8b31f3d6d2fb141541da88e1cc1329b017e /arch/m68k/platform/coldfire/gpio.c | |
parent | da98f44f27d81d7fe9a41f69af4fe08c18d13b56 (diff) | |
parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
download | linux-4e9816d012dbc28dc89559261c6ffbf8ffc440dd.tar.xz |
Merge tag 'v3.16-rc5' into next/fixes-non-critical
Linux 3.16-rc5
Diffstat (limited to 'arch/m68k/platform/coldfire/gpio.c')
-rw-r--r-- | arch/m68k/platform/coldfire/gpio.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/arch/m68k/platform/coldfire/gpio.c b/arch/m68k/platform/coldfire/gpio.c index 9cd2b5c70519..e7e428681ec5 100644 --- a/arch/m68k/platform/coldfire/gpio.c +++ b/arch/m68k/platform/coldfire/gpio.c @@ -76,10 +76,7 @@ int __mcfgpio_direction_output(unsigned gpio, int value) local_irq_save(flags); data = mcfgpio_read(__mcfgpio_pddr(gpio)); - if (value) - data |= mcfgpio_bit(gpio); - else - data &= mcfgpio_bit(gpio); + data |= mcfgpio_bit(gpio); mcfgpio_write(data, __mcfgpio_pddr(gpio)); /* now set the data to output */ @@ -117,37 +114,51 @@ EXPORT_SYMBOL(__mcfgpio_free); #ifdef CONFIG_GPIOLIB -int mcfgpio_direction_input(struct gpio_chip *chip, unsigned offset) +static int mcfgpio_direction_input(struct gpio_chip *chip, unsigned offset) { return __mcfgpio_direction_input(offset); } -int mcfgpio_get_value(struct gpio_chip *chip, unsigned offset) +static int mcfgpio_get_value(struct gpio_chip *chip, unsigned offset) { return __mcfgpio_get_value(offset); } -int mcfgpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) +static int mcfgpio_direction_output(struct gpio_chip *chip, unsigned offset, + int value) { return __mcfgpio_direction_output(offset, value); } -void mcfgpio_set_value(struct gpio_chip *chip, unsigned offset, int value) +static void mcfgpio_set_value(struct gpio_chip *chip, unsigned offset, + int value) { __mcfgpio_set_value(offset, value); } -int mcfgpio_request(struct gpio_chip *chip, unsigned offset) +static int mcfgpio_request(struct gpio_chip *chip, unsigned offset) { return __mcfgpio_request(offset); } -void mcfgpio_free(struct gpio_chip *chip, unsigned offset) +static void mcfgpio_free(struct gpio_chip *chip, unsigned offset) { __mcfgpio_free(offset); } -struct bus_type mcfgpio_subsys = { +static int mcfgpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ +#if defined(MCFGPIO_IRQ_MIN) + if ((offset >= MCFGPIO_IRQ_MIN) && (offset < MCFGPIO_IRQ_MAX)) +#else + if (offset < MCFGPIO_IRQ_MAX) +#endif + return MCFGPIO_IRQ_VECBASE + offset; + else + return -EINVAL; +} + +static struct bus_type mcfgpio_subsys = { .name = "gpio", .dev_name = "gpio", }; @@ -160,6 +171,7 @@ static struct gpio_chip mcfgpio_chip = { .direction_output = mcfgpio_direction_output, .get = mcfgpio_get_value, .set = mcfgpio_set_value, + .to_irq = mcfgpio_to_irq, .base = 0, .ngpio = MCFGPIO_PIN_MAX, }; |