Commit f7aed67d authored by Linus Walleij's avatar Linus Walleij

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: default avatarLinus Walleij <linus.walleij@linaro.org>
parent dad3d272
......@@ -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)
......
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