return 0;
}
+static int bcm_vk_on_panic(struct notifier_block *nb,
+ unsigned long e, void *p)
+{
+ struct bcm_vk *vk = container_of(nb, struct bcm_vk, panic_nb);
+
+ bcm_to_v_reset_doorbell(vk, VK_BAR0_RESET_DB_HARD);
+
+ return 0;
+}
+
static int bcm_vk_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int err;
/* sync other info */
bcm_vk_sync_card_info(vk);
+ /* register for panic notifier */
+ vk->panic_nb.notifier_call = bcm_vk_on_panic;
+ err = atomic_notifier_chain_register(&panic_notifier_list,
+ &vk->panic_nb);
+ if (err) {
+ dev_err(dev, "Fail to register panic notifier\n");
+ goto err_destroy_workqueue;
+ }
+
/*
* lets trigger an auto download. We don't want to do it serially here
* because at probing time, it is not supposed to block for a long time.
if (auto_load) {
if ((boot_status & BOOT_STATE_MASK) == BROM_RUNNING) {
if (bcm_vk_trigger_autoload(vk))
- goto err_destroy_workqueue;
+ goto err_unregister_panic_notifier;
} else {
dev_err(dev,
"Auto-load skipped - BROM not in proper state (0x%x)\n",
return 0;
+err_unregister_panic_notifier:
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &vk->panic_nb);
+
err_destroy_workqueue:
destroy_workqueue(vk->wq_thread);
bcm_vk_trigger_reset(vk);
usleep_range(BCM_VK_UCODE_BOOT_US, BCM_VK_UCODE_BOOT_MAX_US);
+ /* unregister panic notifier */
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &vk->panic_nb);
+
if (vk->tdma_vaddr)
dma_free_coherent(&pdev->dev, nr_scratch_pages * PAGE_SIZE,
vk->tdma_vaddr, vk->tdma_addr);