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pci_disable_msi() must be called if the initial
request_irq() fails.
Also add a warning message so it's possible to
distinguish request_irq() failure and
pci_enable_msi() failure.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Restart the hardware if FW crashes.
If FW crashes during recovery we leave the
hardware in a "wedged" state to avoid recursive
recoveries.
When in "wedged" state userspace may bring
interfaces down (to issue stop()) and then bring
one interface (to issue start()) to reload
hardware manually.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This fixes suspend-to-disk. The hardware is now
re-initialized upon freeze/thaw properly.
This also makes suspend/resume re-initialize the
hardware as WoWLAN support is not done yet.
With some little work it should be possible to
support hw reconfiguration for hw/fw recovery.
HW must be initialized once before registering to
mac80211 because FW determinates what hw
capabilities can be advertised.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Split up fw-related and hw-related suspension code.
Although we don't advertise WoW support to
mac80211 yet it's useful to keep the code in
suspend/resume hooks.
At this point there's no need to keep pci pm ops.
In case of WoW mac80211 calls ath10k_suspend()
which should take care of entering low-power mode.
In case WoW is not available mac80211 will go
through regular interface teradown and use start/stop.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Split logic that prepares the device for BMI
phase/cleans up related resources.
This is necessary for ath10k to be able to restart
hw on the fly without reloading the module.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The `set_callbacks` is a more appopriate name for
the function. Let's leave `init` for something
else.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This aligns it to the argument list of other
similar functions.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This should fix memory corruption if HIF is tried
to be restarted.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Irqs were not freed up correctly upon msi-x setup
failure.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This should be >= ARRAY_SIZE() instead of > ARRAY_SIZE().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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>
