diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/core.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index e7f628e935e4..4c3eab4686c2 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1188,6 +1188,29 @@ int ath12k_core_pre_init(struct ath12k_base *ab) return 0; } +static int ath12k_core_panic_handler(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct ath12k_base *ab = container_of(nb, struct ath12k_base, + panic_nb); + + return ath12k_hif_panic_handler(ab); +} + +static int ath12k_core_panic_notifier_register(struct ath12k_base *ab) +{ + ab->panic_nb.notifier_call = ath12k_core_panic_handler; + + return atomic_notifier_chain_register(&panic_notifier_list, + &ab->panic_nb); +} + +static void ath12k_core_panic_notifier_unregister(struct ath12k_base *ab) +{ + atomic_notifier_chain_unregister(&panic_notifier_list, + &ab->panic_nb); +} + int ath12k_core_init(struct ath12k_base *ab) { int ret; @@ -1198,11 +1221,17 @@ int ath12k_core_init(struct ath12k_base *ab) return ret; } + ret = ath12k_core_panic_notifier_register(ab); + if (ret) + ath12k_warn(ab, "failed to register panic handler: %d\n", ret); + return 0; } void ath12k_core_deinit(struct ath12k_base *ab) { + ath12k_core_panic_notifier_unregister(ab); + mutex_lock(&ab->core_lock); ath12k_core_pdev_destroy(ab); |