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Commit 081d3dfb authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Add a debug option to skip any kind of recovery 



After firmware crashes, driver will try to recover the device by
resetting hardware and reloading firmware. Add a debug quirk option
to skip the recovery so that WLAN device can still remain the status
after crash for live debugging.

Change-Id: Ifff26df9ae5ab4c25573ca84e29eed73a79c6525
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent fca788d0

drivers/net/wireless/cnss2/main.c

+6 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ enum cnss_debug_quirks { 
	LINK_DOWN_SELF_RECOVERY,

	SKIP_DEVICE_BOOT,

	USE_CORE_ONLY_FW,

	SKIP_RECOVERY,

};



unsigned long quirks;
@@ -1454,6 +1455,11 @@ static int cnss_do_recovery(struct cnss_plat_data *plat_priv, 
		plat_priv->driver_ops->update_status(pci_priv->pci_dev,

						     CNSS_RECOVERY);



	if (test_bit(SKIP_RECOVERY, &quirks)) {

		cnss_pr_dbg("Skip device recovery\n");

		return 0;

	}



	switch (reason) {

	case CNSS_REASON_LINK_DOWN:

		if (test_bit(LINK_DOWN_SELF_RECOVERY, &quirks))