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3b6c4a11bf
SoundWire has provisions for a simple callback for the IRQ handling so
has no hard dependency on IRQ_DOMAIN, but the recent addition of IRQ
handling was causing builds without IRQ_DOMAIN to fail. Resolve this by
moving the IRQ handling into its own file and only add it to the build
when IRQ_DOMAIN is included in the kernel.
Fixes: 12a95123bf ("soundwire: bus: Allow SoundWire peripherals to register IRQ handlers")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309150522.MoKeF4jx-lkp@intel.com/
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230920160401.854052-1-ckeepax@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2023 Cirrus Logic, Inc. and
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// Cirrus Logic International Semiconductor Ltd.
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#include <linux/device.h>
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#include <linux/fwnode.h>
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#include <linux/irq.h>
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#include <linux/irqdomain.h>
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#include <linux/soundwire/sdw.h>
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#include "irq.h"
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static int sdw_irq_map(struct irq_domain *h, unsigned int virq,
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irq_hw_number_t hw)
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{
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struct sdw_bus *bus = h->host_data;
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irq_set_chip_data(virq, bus);
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irq_set_chip(virq, &bus->irq_chip);
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irq_set_nested_thread(virq, 1);
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irq_set_noprobe(virq);
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return 0;
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}
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static const struct irq_domain_ops sdw_domain_ops = {
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.map = sdw_irq_map,
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};
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int sdw_irq_create(struct sdw_bus *bus,
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struct fwnode_handle *fwnode)
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{
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bus->irq_chip.name = dev_name(bus->dev);
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bus->domain = irq_domain_create_linear(fwnode, SDW_MAX_DEVICES,
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&sdw_domain_ops, bus);
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if (!bus->domain) {
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dev_err(bus->dev, "Failed to add IRQ domain\n");
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return -EINVAL;
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}
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return 0;
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}
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void sdw_irq_delete(struct sdw_bus *bus)
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{
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irq_domain_remove(bus->domain);
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}
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void sdw_irq_create_mapping(struct sdw_slave *slave)
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{
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slave->irq = irq_create_mapping(slave->bus->domain, slave->dev_num);
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if (!slave->irq)
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dev_warn(&slave->dev, "Failed to map IRQ\n");
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}
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void sdw_irq_dispose_mapping(struct sdw_slave *slave)
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{
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irq_dispose_mapping(irq_find_mapping(slave->bus->domain, slave->dev_num));
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}
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