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ath10k_debug_read_target_stats is properly
protected by data_lock (spinlock). Remove
the unwanted mutex_unlock(&ar->conf_mutex)
[ BUG: bad unlock balance detected! ]
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kworker/u4:0/12459 is trying to release lock
(&ar->conf_mutex) at:
[<c16a170d>] mutex_unlock+0xd/0x10
but there are no more locks to release!
Call Trace:
[<c16a170d>] ? mutex_unlock+0xd/0x10
[<c10b697d>] __lock_release+0x4d/0xe0
[<f88ca0fc>] ? ath10k_debug_read_target_stats+0xac/0x290
[<c16a170d>] ? mutex_unlock+0xd/0x10
[<c10b6a5b>] lock_release+0x4b/0x150
[<c16a1580>] __mutex_unlock_slowpath+0x70/0x150
[<f88ca0fc>] ? ath10k_debug_read_target_stats+0xac/0x290
[<c10b456b>] ? trace_hardirqs_on+0xb/0x10
[<c16a170d>] mutex_unlock+0xd/0x10
[<f88ca107>] ath10k_debug_read_target_stats+0xb7/0x290
[<f88d337a>] ath10k_wmi_event_process+0x3fa/0x6e0
[<c10b456b>] ? trace_hardirqs_on+0xb/0x10
[<f88d36e1>] ath10k_wmi_event_work+0x21/0x40
[ath10k_core]
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This can be useful for testing. To perform a
forced firmware crash write 'crash' to
'simulate_fw_crash' debugfs file. E.g.
echo crash > /sys/kernel/debug/ieee80211/phy1/ath10k/simulate_fw_crash
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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If the device is not running then there may be no
FW at all to send the query to. If the FW is
already there it might still trigger a crash if
the command is sent before the device is fully
initialized.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Here's a new mac80211 driver for Qualcomm Atheros 802.11ac QCA98xx devices.
A major difference from ath9k is that there's now a firmware and
that's why we had to implement a new driver.
The wiki page for the driver is:
http://wireless.kernel.org/en/users/Drivers/ath10k
The driver has had many authors, they are listed here alphabetically:
Bartosz Markowski <bartosz.markowski@tieto.com>
Janusz Dziedzic <janusz.dziedzic@tieto.com>
Kalle Valo <kvalo@qca.qualcomm.com>
Marek Kwaczynski <marek.kwaczynski@tieto.com>
Marek Puzyniak <marek.puzyniak@tieto.com>
Michal Kazior <michal.kazior@tieto.com>
Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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