static void ath6kl_recovery_hb_timer(unsigned long data)
{
struct ath6kl *ar = (struct ath6kl *) data;
int err;
if (test_bit(RECOVERY_CLEANUP, &ar->flag) ||
(ar->state == ATH6KL_STATE_RECOVERY) ||
!test_bit(WMI_READY, &ar->flag))
return;
if (ar->fw_recovery.hb_pending)
ar->fw_recovery.hb_misscnt++;
else
ar->fw_recovery.hb_misscnt = 0;
if (ar->fw_recovery.hb_misscnt > ATH6KL_HB_RESP_MISS_THRES) {
ar->fw_recovery.hb_misscnt = 0;
ar->fw_recovery.seq_num = 0;
ar->fw_recovery.hb_pending = false;
ath6kl_recovery_err_notify(ar, ATH6KL_FW_HB_RESP_FAILURE);
return;
}
ar->fw_recovery.seq_num++;
ar->fw_recovery.hb_pending = true;
err = ath6kl_wmi_get_challenge_resp_cmd(ar->wmi,
ar->fw_recovery.seq_num, 0);
if (err)
ath6kl_warn("Failed to send hb challenge request, err:%d\n",
err);
mod_timer(&ar->fw_recovery.hb_timer, jiffies +
msecs_to_jiffies(ar->fw_recovery.hb_poll));
}
static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
{
u32 dummy;
int ret;
ath6kl_warn("firmware crashed\n");
/*
* read counter to clear the interrupt, the debug error interrupt is
* counter 0.
*/
ret = hif_read_write_sync(dev->ar, COUNT_DEC_ADDRESS,
(u8 *)&dummy, 4, HIF_RD_SYNC_BYTE_INC);
if (ret)
ath6kl_warn("Failed to clear debug interrupt: %d\n", ret);
ath6kl_hif_dump_fw_crash(dev->ar);
if (debug_mask & ATH6KL_DBG_STACK_DUMP)
ath6kl_hif_dump_fw_more(dev->ar, DUMP_MASK_FULL_STACK |
DUMP_MASK_DBGLOG);
ath6kl_read_fwlogs(dev->ar);
ath6kl_recovery_err_notify(dev->ar, ATH6KL_FW_ASSERT);
return ret;
}
