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    Subject[PATCH v3 06/10] gpio: dwapb: Discard GPIO-to-IRQ mapping function
    Date
    Since GPIOlib-based IRQ-chip interface is now utilized there is no need in
    setting up a custom GPIO-to-IRQ mapping method. GPIO-lib defines the
    standard mapping method - gpiochip_to_irq(), which will be used anyway no
    matter whether the custom to_irq callback is specified or not.

    Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
    Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

    ---

    Changelog v2:
    - This is a new patch detached from commit
    "gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip".
    ---
    drivers/gpio/gpio-dwapb.c | 10 ----------
    1 file changed, 10 deletions(-)

    diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
    index eb3a6da453ff..b6affe7161b0 100644
    --- a/drivers/gpio/gpio-dwapb.c
    +++ b/drivers/gpio/gpio-dwapb.c
    @@ -154,14 +154,6 @@ static inline void dwapb_write(struct dwapb_gpio *gpio, unsigned int offset,
    gc->write_reg(reg_base + gpio_reg_convert(gpio, offset), val);
    }

    -static int dwapb_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
    -{
    - struct dwapb_gpio_port *port = gpiochip_get_data(gc);
    - struct dwapb_gpio *gpio = port->gpio;
    -
    - return irq_find_mapping(gpio->domain, offset);
    -}
    -
    static struct dwapb_gpio_port *dwapb_offs_to_port(struct dwapb_gpio *gpio, unsigned int offs)
    {
    struct dwapb_gpio_port *port;
    @@ -476,8 +468,6 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,

    girq->chip = &pirq->irqchip;

    - port->gc.to_irq = dwapb_gpio_to_irq;
    -
    return;

    err_kfree_pirq:
    --
    2.27.0
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