diff options
Diffstat (limited to 'drivers/soundwire/bus_type.c')
| -rw-r--r-- | drivers/soundwire/bus_type.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c index e98d5db81b1c..75d6f16efced 100644 --- a/drivers/soundwire/bus_type.c +++ b/drivers/soundwire/bus_type.c @@ -105,9 +105,17 @@ static int sdw_drv_probe(struct device *dev) if (ret) return ret; + ret = ida_alloc_max(&slave->bus->slave_ida, SDW_FW_MAX_DEVICES, GFP_KERNEL); + if (ret < 0) { + dev_err(dev, "Failed to allocated ID: %d\n", ret); + return ret; + } + slave->index = ret; + ret = drv->probe(slave, id); if (ret) { dev_pm_domain_detach(dev, false); + ida_free(&slave->bus->slave_ida, slave->index); return ret; } @@ -174,6 +182,8 @@ static int sdw_drv_remove(struct device *dev) dev_pm_domain_detach(dev, false); + ida_free(&slave->bus->slave_ida, slave->index); + return ret; } |