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path: root/drivers/net/wireless/ath/ath10k/pci.c
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* | ath10k: make target_ce_config_wlan more readableKalle Valo2013-09-03
| | | | | | | | | | | | It's easier to read t if the field names are visible. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: pci: make host_ce_config_wlan[] more readableKalle Valo2013-09-03
| | | | | | | | | | | | | | It's much more readable if struct entries in host_ce_config_wlan are explicitly set. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: remove un ar_pci->cacheline_sz fieldKalle Valo2013-09-01
| | | | | | | | | | | | cacheline_sz is not used anywhere and can be removed. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: rename ce_state to ath10k_ce_pipeMichal Kazior2013-09-01
| | | | | | | | | | | | | | The new naming makes more sense. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: rename hif_ce_pipe_info to ath10k_pci_pipeMichal Kazior2013-09-01
| | | | | | | | | | | | | | The new naming makes more sense. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: remove unused ce_attr parametersMichal Kazior2013-09-01
| | | | | | | | | | | | | | | | | | Some parameters were unused and are not required. They have no representation in firmware. Clean them up. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: clean up PCI completion statesMichal Kazior2013-08-14
| | | | | | | | | | | | | | | | Improve code readability by using enum and a switch-case. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: use sizeof(*var) in kmallocMichal Kazior2013-08-14
| | | | | | | | | | | | | | | | This fixes checkpatch warning from the latest 3.11-rc kernel tree. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | ath10k: Remove qca98xx hw1.0 supportBartosz Markowski2013-08-12
|/ | | | | | | | Since the firmware support is no longer available for hw1.0, drop all code (especially workarounds) for those units. Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* ath10k: add SoC power save option to PCI features mapBartosz Markowski2013-08-07
| | | | | | | | | | | | | | Unify the PCI options location. By default the SoC PS option is disabled to boost the performance and due to poor stability on early HW revisions. In future we can remove the module parameter and turn on/off the PS for given hardware. This change also makes the pci module parameter for SoC PS static. Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* ath10k: fix device teardownMichal Kazior2013-08-05
| | | | | | | | | | | | | | | | | | | | | | | | This fixes interrupt-related issue when no interfaces were running thus the device was considered powered down. The power_down() function isn't really powering down the device. It simply assumed it won't interrupt. This wasn't true in some cases and could lead to paging failures upon FW indication interrupt (i.e. FW crash) because some structures aren't allocated in that device state. One reason for that was that ar_pci->started wasn't reset. The other is interrupts should've been masked when teardown starts. The patch reorganized interrupt setup and makes sure ar_pci->started is reset accordingly. Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* ath10k: fix failpath in MSI-X setupMichal Kazior2013-08-02
| | | | | | | | | | | | 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>
* ath10k: implement device recoveryMichal Kazior2013-07-30
| | | | | | | | | | | | | | | | 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>
* ath10k: defer hw setup to start/stop mac80211 hooksMichal Kazior2013-07-30
| | | | | | | | | | | | | | | | | | 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>
* ath10k: decouple suspend codeMichal Kazior2013-07-30
| | | | | | | | | | | | | | | | | 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>
* ath10k: decouple pci start/stop logicMichal Kazior2013-07-30
| | | | | | | | | | | 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>
* ath10k: rename hif callbackMichal Kazior2013-07-30
| | | | | | | | | 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>
* ath10k: change function to take struct ath10k as argMichal Kazior2013-07-30
| | | | | | | | 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>
* ath10k: fix typo in define nameMichal Kazior2013-07-30
| | | | | Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* ath10k: remove ath10k_busMichal Kazior2013-07-30
| | | | | | | It serves no purpose. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* ath10k: fix teardown orderingMichal Kazior2013-07-30
| | | | | | | | 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>
* ath10k: fix MSI-X setup failpathMichal Kazior2013-06-27
| | | | | | | | 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>
* ath10k: off by one sanity checkDan Carpenter2013-06-18
| | | | | | | 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>
* ath10k: mac80211 driver for Qualcomm Atheros 802.11ac CQA98xx devicesKalle Valo2013-06-12
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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