diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2016-03-22 14:28:34 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-30 10:38:50 +0200 |
| commit | f7aed67d632f6e316b9a9e2fe2818a07bfa42e81 (patch) | |
| tree | 5fa38dd459d1c926db436a4a9356b3ef6bf7d78b /drivers/gpio/gpio-mcp23s08.c | |
| parent | gpio: mcp23s08: switch to use gpiolib irqchip helpers (diff) | |
| download | linux-f7aed67d632f6e316b9a9e2fe2818a07bfa42e81.tar.xz linux-f7aed67d632f6e316b9a9e2fe2818a07bfa42e81.zip | |
gpio: mcp23s08: delete req/rel_resource callbacks
When using the GPIOLIB_IRQCHIP the gpiolib provides a
straight-forward implementation of request/release resources,
rely on that instead.
Cc: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
| -rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index ae61bc2d9d25..c882c2be5a0e 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -435,29 +435,6 @@ static void mcp23s08_irq_bus_unlock(struct irq_data *data) mutex_unlock(&mcp->irq_lock); } -static int mcp23s08_irq_reqres(struct irq_data *data) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(data); - struct mcp23s08 *mcp = gpiochip_get_data(gc); - - if (gpiochip_lock_as_irq(&mcp->chip, data->hwirq)) { - dev_err(mcp->chip.parent, - "unable to lock HW IRQ %lu for IRQ usage\n", - data->hwirq); - return -EINVAL; - } - - return 0; -} - -static void mcp23s08_irq_relres(struct irq_data *data) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(data); - struct mcp23s08 *mcp = gpiochip_get_data(gc); - - gpiochip_unlock_as_irq(&mcp->chip, data->hwirq); -} - static struct irq_chip mcp23s08_irq_chip = { .name = "gpio-mcp23xxx", .irq_mask = mcp23s08_irq_mask, @@ -465,8 +442,6 @@ static struct irq_chip mcp23s08_irq_chip = { .irq_set_type = mcp23s08_irq_set_type, .irq_bus_lock = mcp23s08_irq_bus_lock, .irq_bus_sync_unlock = mcp23s08_irq_bus_unlock, - .irq_request_resources = mcp23s08_irq_reqres, - .irq_release_resources = mcp23s08_irq_relres, }; static int mcp23s08_irq_setup(struct mcp23s08 *mcp) |