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Commit 7710cd2e authored by Michal Kazior's avatar Michal Kazior Committed by Kalle Valo
Browse files

ath10k: don't wait for device init if it crashed 



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: default avatarMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 6a4f6e1d

drivers/net/wireless/ath/ath10k/pci.c

+10 −0
Original line number Original line Diff line number Diff line
@@ -2452,6 +2452,10 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) 
		if (val == 0xffffffff)

		if (val == 0xffffffff)

			continue;

			continue;





		/* the device has crashed so don't bother trying anymore */

		if (val & FW_IND_EVENT_PENDING)

			break;



		if (val & FW_IND_INITIALIZED)

		if (val & FW_IND_INITIALIZED)

			break;

			break;
@@ -2470,6 +2474,12 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) 
		goto out;

		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)) {

	if (!(val & FW_IND_INITIALIZED)) {

		ath10k_err("failed to receive initialized event from target: %08x\n",

		ath10k_err("failed to receive initialized event from target: %08x\n",

			   val);

			   val);