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Subject[PATCH 2/3] gpio: dwapb: do not create the irq mapping upfront.
Date
After the irq chip got registered the driver creates a mapping for every
gpio line. This mapping be useless if the gpio in question never is
beeing used a irq line. The mapping should be created by the core on
request.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
drivers/gpio/gpio-dwapb.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 4d25a06b..0db0b94 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -211,7 +211,7 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,
struct gpio_chip *gc = &port->bgc.gc;
struct device_node *node = gc->of_node;
struct irq_chip_generic *irq_gc;
- unsigned int hwirq, ngpio = gc->ngpio;
+ unsigned int ngpio = gc->ngpio;
struct irq_chip_type *ct;
int err, irq;

@@ -263,9 +263,6 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,
irq_set_chained_handler(irq, dwapb_irq_handler);
irq_set_handler_data(irq, gpio);

- for (hwirq = 0 ; hwirq < ngpio ; hwirq++)
- irq_create_mapping(gpio->domain, hwirq);
-
port->bgc.gc.to_irq = dwapb_gpio_to_irq;
}

--
1.9.1


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