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>

diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index ae61bc2d9d2512e3d353ed19b9b627142d4b9960..c882c2be5a0e954fa210bb6f3f3ccd4e1b444cc4 100644 (file)
--- 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)