diff options
Diffstat (limited to 'drivers/soundwire/cadence_master.h')
| -rw-r--r-- | drivers/soundwire/cadence_master.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index bc84435e420f..e1d7969ba48a 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -117,6 +117,8 @@ struct sdw_cdns_dai_runtime { * @link_up: Link status * @msg_count: Messages sent on bus * @dai_runtime_array: runtime context for each allocated DAI. + * @status_update_lock: protect concurrency between interrupt-based and delayed work + * status update */ struct sdw_cdns { struct device *dev; @@ -148,10 +150,13 @@ struct sdw_cdns { bool interrupt_enabled; struct work_struct work; + struct delayed_work attach_dwork; struct list_head list; struct sdw_cdns_dai_runtime **dai_runtime_array; + + struct mutex status_update_lock; /* add mutual exclusion to sdw_handle_slave_status() */ }; #define bus_to_cdns(_bus) container_of(_bus, struct sdw_cdns, bus) |