[PATCH 2/3] ath10k: expose hw restart via debugfs
kvalo at qca.qualcomm.com
Mon Oct 13 01:07:14 PDT 2014
Michal Kazior <michal.kazior at tieto.com> writes:
> Until now it was possible to simulate soft and
> hard fw crashes but it wasn't possible to trigger
> an immediately hw restart itself (without the fw
> This can be useful when stress testing hw
> restarting stability, e.g. during heavy tx/rx
> Signed-off-by: Michal Kazior <michal.kazior at tieto.com>
> --- a/drivers/net/wireless/ath/ath10k/debug.c
> +++ b/drivers/net/wireless/ath/ath10k/debug.c
> @@ -694,7 +694,8 @@ static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
> "To simulate firmware crash write one of the keywords to this file:\n"
> "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
> "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
> - "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n";
> + "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
> + "`request` - this will simply queue hw restart without fw/hw actually crashing.\n";
"request" is not really very descriptive command. Maybe call it
"hw-restart" because that's what it really does, right?
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