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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>
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1 changed files with 0 additions and 25 deletions
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@ -435,29 +435,6 @@ static void mcp23s08_irq_bus_unlock(struct irq_data *data)
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mutex_unlock(&mcp->irq_lock);
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}
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static int mcp23s08_irq_reqres(struct irq_data *data)
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{
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struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
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struct mcp23s08 *mcp = gpiochip_get_data(gc);
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if (gpiochip_lock_as_irq(&mcp->chip, data->hwirq)) {
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dev_err(mcp->chip.parent,
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"unable to lock HW IRQ %lu for IRQ usage\n",
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data->hwirq);
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return -EINVAL;
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}
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return 0;
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}
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static void mcp23s08_irq_relres(struct irq_data *data)
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{
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struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
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struct mcp23s08 *mcp = gpiochip_get_data(gc);
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gpiochip_unlock_as_irq(&mcp->chip, data->hwirq);
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}
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static struct irq_chip mcp23s08_irq_chip = {
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.name = "gpio-mcp23xxx",
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.irq_mask = mcp23s08_irq_mask,
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@ -465,8 +442,6 @@ static struct irq_chip mcp23s08_irq_chip = {
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.irq_set_type = mcp23s08_irq_set_type,
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.irq_bus_lock = mcp23s08_irq_bus_lock,
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.irq_bus_sync_unlock = mcp23s08_irq_bus_unlock,
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.irq_request_resources = mcp23s08_irq_reqres,
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.irq_release_resources = mcp23s08_irq_relres,
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};
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static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
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