diff options
Diffstat (limited to 'drivers/soundwire/bus.c')
| -rw-r--r-- | drivers/soundwire/bus.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 02574b4bb179..340fd1e23e5c 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -61,6 +61,12 @@ int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, return -EINVAL; } + if (!bus->compute_params) { + dev_err(bus->dev, + "Bandwidth allocation not configured, compute_params no set\n"); + return -EINVAL; + } + mutex_init(&bus->msg_lock); mutex_init(&bus->bus_lock); INIT_LIST_HEAD(&bus->slaves); |