diff options
Diffstat (limited to 'drivers/soundwire')
-rw-r--r-- | drivers/soundwire/amd_manager.c | 4 | ||||
-rw-r--r-- | drivers/soundwire/bus.c | 40 | ||||
-rw-r--r-- | drivers/soundwire/bus_type.c | 12 | ||||
-rw-r--r-- | drivers/soundwire/qcom.c | 2 |
4 files changed, 51 insertions, 7 deletions
diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 08aeb7ed00e1..3a99f6dcdfaf 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -910,9 +910,9 @@ static int amd_sdw_manager_probe(struct platform_device *pdev) return -ENOMEM; amd_manager->acp_mmio = devm_ioremap(dev, res->start, resource_size(res)); - if (IS_ERR(amd_manager->mmio)) { + if (!amd_manager->acp_mmio) { dev_err(dev, "mmio not found\n"); - return PTR_ERR(amd_manager->mmio); + return -ENOMEM; } amd_manager->instance = pdata->instance; amd_manager->mmio = amd_manager->acp_mmio + diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 0e1e4bedc708..1720031f35a3 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -3,6 +3,7 @@ #include <linux/acpi.h> #include <linux/delay.h> +#include <linux/irq.h> #include <linux/mod_devicetable.h> #include <linux/pm_runtime.h> #include <linux/soundwire/sdw_registers.h> @@ -24,6 +25,23 @@ static int sdw_get_id(struct sdw_bus *bus) return 0; } +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, +}; + /** * sdw_bus_master_add() - add a bus Master instance * @bus: bus instance @@ -150,6 +168,14 @@ int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, bus->params.curr_bank = SDW_BANK0; bus->params.next_bank = SDW_BANK1; + 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; } EXPORT_SYMBOL(sdw_bus_master_add); @@ -186,6 +212,9 @@ static int sdw_delete_slave(struct device *dev, void *data) void sdw_bus_master_delete(struct sdw_bus *bus) { device_for_each_child(bus->dev, NULL, sdw_delete_slave); + + irq_domain_remove(bus->domain); + sdw_master_device_del(bus); sdw_bus_debugfs_exit(bus); @@ -920,8 +949,8 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, "initializing enumeration and init completion for Slave %d\n", slave->dev_num); - init_completion(&slave->enumeration_complete); - init_completion(&slave->initialization_complete); + reinit_completion(&slave->enumeration_complete); + reinit_completion(&slave->initialization_complete); } else if ((status == SDW_SLAVE_ATTACHED) && (slave->status == SDW_SLAVE_UNATTACHED)) { @@ -929,7 +958,7 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, "signaling enumeration completion for Slave %d\n", slave->dev_num); - complete(&slave->enumeration_complete); + complete_all(&slave->enumeration_complete); } slave->status = status; mutex_unlock(&bus->bus_lock); @@ -1723,6 +1752,9 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave) struct device *dev = &slave->dev; struct sdw_driver *drv = drv_to_sdw_driver(dev->driver); + if (slave->prop.use_domain_irq && slave->irq) + handle_nested_irq(slave->irq); + if (drv->ops && drv->ops->interrupt_callback) { slave_intr.sdca_cascade = sdca_cascade; slave_intr.control_port = clear; @@ -1949,7 +1981,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, "signaling initialization completion for Slave %d\n", slave->dev_num); - complete(&slave->initialization_complete); + complete_all(&slave->initialization_complete); /* * If the manager became pm_runtime active, the peripherals will be diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c index 1f43ee848eac..fafbc284e82d 100644 --- a/drivers/soundwire/bus_type.c +++ b/drivers/soundwire/bus_type.c @@ -122,6 +122,12 @@ static int sdw_drv_probe(struct device *dev) if (drv->ops && drv->ops->read_prop) drv->ops->read_prop(slave); + if (slave->prop.use_domain_irq) { + slave->irq = irq_create_mapping(slave->bus->domain, slave->dev_num); + if (!slave->irq) + dev_warn(dev, "Failed to map IRQ\n"); + } + /* init the sysfs as we have properties now */ ret = sdw_slave_sysfs_init(slave); if (ret < 0) @@ -166,7 +172,13 @@ static int sdw_drv_remove(struct device *dev) int ret = 0; mutex_lock(&slave->sdw_dev_lock); + slave->probed = false; + + if (slave->prop.use_domain_irq) + irq_dispose_mapping(irq_find_mapping(slave->bus->domain, + slave->dev_num)); + mutex_unlock(&slave->sdw_dev_lock); if (drv->remove) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index d178a0dc0918..55be9f4b8d59 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -539,7 +539,7 @@ static int qcom_swrm_get_alert_slave_dev_num(struct qcom_swrm_ctrl *ctrl) status = (val >> (dev_num * SWRM_MCP_SLV_STATUS_SZ)); if ((status & SWRM_MCP_SLV_STATUS_MASK) == SDW_SLAVE_ALERT) { - ctrl->status[dev_num] = status; + ctrl->status[dev_num] = status & SWRM_MCP_SLV_STATUS_MASK; return dev_num; } } |