diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/pci.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index bf1083d52e61..66b1f3017f2b 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -2452,6 +2452,10 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) if (val == 0xffffffff) continue; + /* the device has crashed so don't bother trying anymore */ + if (val & FW_IND_EVENT_PENDING) + break; + if (val & FW_IND_INITIALIZED) break; @@ -2464,7 +2468,19 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) mdelay(10); } while (time_before(jiffies, timeout)); - if (val == 0xffffffff || !(val & FW_IND_INITIALIZED)) { + if (val == 0xffffffff) { + ath10k_err("failed to read device register, device is gone\n"); + ret = -EIO; + goto out; + } + + if (val & FW_IND_EVENT_PENDING) { + ath10k_warn("device has crashed during init\n"); + ret = -ECOMM; + goto out; + } + + if (!(val & FW_IND_INITIALIZED)) { ath10k_err("failed to receive initialized event from target: %08x\n", val); ret = -ETIMEDOUT; |