When warm resetting it's possible for device to
crash during initialization. Instead of waiting 3
seconds just return failure as soon as
FW_IND_EVENT_PENDING is set.
This speeds up device bootup and recovery in some
cases.
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
v2:
* add a comment before if() [Kalle]
drivers/net/wireless/ath/ath10k/pci.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index cd3b00c..66b1f30 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;
@@ -2470,6 +2474,12 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar)
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);
--
1.8.5.3
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