Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Lucas Tanure |
106 |
39.55% |
1 |
8.33% |
| Charles Keepax |
94 |
35.07% |
2 |
16.67% |
| Vinod Koul |
47 |
17.54% |
4 |
33.33% |
| Pierre-Louis Bossart |
20 |
7.46% |
4 |
33.33% |
| Greg Kroah-Hartman |
1 |
0.37% |
1 |
8.33% |
| Total |
268 |
|
12 |
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2023 Cirrus Logic, Inc. and
// Cirrus Logic International Semiconductor Ltd.
#include <linux/device.h>
#include <linux/fwnode.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/soundwire/sdw.h>
#include "irq.h"
static int sdw_irq_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
struct sdw_bus *bus = h->host_data;
irq_set_chip_data(virq, bus);
irq_set_chip(virq, &bus->irq_chip);
irq_set_nested_thread(virq, 1);
irq_set_noprobe(virq);
return 0;
}
static const struct irq_domain_ops sdw_domain_ops = {
.map = sdw_irq_map,
};
int sdw_irq_create(struct sdw_bus *bus,
struct fwnode_handle *fwnode)
{
bus->irq_chip.name = dev_name(bus->dev);
bus->domain = irq_domain_create_linear(fwnode, SDW_MAX_DEVICES,
&sdw_domain_ops, bus);
if (!bus->domain) {
dev_err(bus->dev, "Failed to add IRQ domain\n");
return -EINVAL;
}
return 0;
}
void sdw_irq_delete(struct sdw_bus *bus)
{
irq_domain_remove(bus->domain);
}
static void sdw_irq_dispose_mapping(void *data)
{
struct sdw_slave *slave = data;
irq_dispose_mapping(irq_find_mapping(slave->bus->domain, slave->dev_num));
}
void sdw_irq_create_mapping(struct sdw_slave *slave)
{
slave->irq = irq_create_mapping(slave->bus->domain, slave->dev_num);
if (!slave->irq)
dev_warn(&slave->dev, "Failed to map IRQ\n");
devm_add_action_or_reset(&slave->dev, sdw_irq_dispose_mapping, slave);
}