Commit 7ba864a1 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
Browse files

greybus: gpio: add irq-type defines 



Add Greybus GPIO IRQ-type defines rather than rely on the current
Linux implementation.

Signed-off-by: default avatarJohan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 4bf37809

drivers/staging/greybus/gpio.c

+13 −1
Original line number Diff line number Diff line
@@ -286,21 +286,33 @@ static int gb_gpio_irq_set_type(struct irq_data *d, unsigned int type) 
	struct gpio_chip *chip = irq_data_to_gpio_chip(d);

	struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);

	struct gb_gpio_line *line = &ggc->lines[d->hwirq];

	u8 irq_type;



	switch (type) {

	case IRQ_TYPE_NONE:

		irq_type = GB_GPIO_IRQ_TYPE_NONE;

		break;

	case IRQ_TYPE_EDGE_RISING:

		irq_type = GB_GPIO_IRQ_TYPE_EDGE_RISING;

		break;

	case IRQ_TYPE_EDGE_FALLING:

		irq_type = GB_GPIO_IRQ_TYPE_EDGE_FALLING;

		break;

	case IRQ_TYPE_EDGE_BOTH:

		irq_type = GB_GPIO_IRQ_TYPE_EDGE_BOTH;

		break;

	case IRQ_TYPE_LEVEL_LOW:

		irq_type = GB_GPIO_IRQ_TYPE_LEVEL_LOW;

		break;

	case IRQ_TYPE_LEVEL_HIGH:

		irq_type = GB_GPIO_IRQ_TYPE_LEVEL_HIGH;

		break;

	default:

		dev_err(chip->dev, "unsupported irq type: %u\n", type);

		return -EINVAL;

	}



	line->irq_type = type;

	line->irq_type = irq_type;

	line->irq_type_pending = true;



	return 0;

drivers/staging/greybus/greybus_protocols.h

+7 −0
Original line number Diff line number Diff line
@@ -132,6 +132,13 @@ struct gb_i2c_transfer_response { 
#define GB_GPIO_TYPE_IRQ_UNMASK		0x0d

#define GB_GPIO_TYPE_IRQ_EVENT		0x0e



#define GB_GPIO_IRQ_TYPE_NONE		0x00

#define GB_GPIO_IRQ_TYPE_EDGE_RISING	0x01

#define GB_GPIO_IRQ_TYPE_EDGE_FALLING	0x02

#define GB_GPIO_IRQ_TYPE_EDGE_BOTH	0x03

#define GB_GPIO_IRQ_TYPE_LEVEL_HIGH	0x04

#define GB_GPIO_IRQ_TYPE_LEVEL_LOW	0x08



/* line count request has no payload */

struct gb_gpio_line_count_response {

	__u8	count;