devm_gpiochip_add_data() or gpiochip_add_data() is called. This allocates an
.irq.valid_mask with as many bits set as there are GPIO lines in the chip, each
bit representing line 0..n-1. Drivers can exclude GPIO lines by clearing bits
-from this mask. The mask must be filled in before gpiochip_irqchip_add() or
-gpiochip_irqchip_add_nested() is called.
+from this mask. The mask can be filled in the init_valid_mask() callback
+that is part of the struct gpio_irq_chip.
To use the helpers please keep the following in mind:
stmpe_gpio->chip.parent = &pdev->dev;
stmpe_gpio->chip.of_node = np;
stmpe_gpio->chip.base = -1;
- /*
- * REVISIT: this makes sure the valid mask gets allocated and
- * filled in when adding the gpio_chip, but the rest of the
- * gpio_irqchip is still filled in using the old method
- * in gpiochip_irqchip_add_nested() so clean this up once we
- * get the gpio_irqchip to initialize while adding the
- * gpio_chip also for threaded irqchips.
- */
- stmpe_gpio->chip.irq.init_valid_mask = stmpe_init_irq_valid_mask;
if (IS_ENABLED(CONFIG_DEBUG_FS))
stmpe_gpio->chip.dbg_show = stmpe_dbg_show;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_simple_irq;
girq->threaded = true;
+ girq->init_valid_mask = stmpe_init_irq_valid_mask;
}
ret = gpiochip_add_data(&stmpe_gpio->chip, stmpe_gpio);