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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs.c
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* iwlwifi: move under intel vendor directoryKalle Valo2015-11-181-1516/+0
| | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* iwlwifi: mvm: let any command flag be passed to iwl_mvm_flushtx_path()Luca Coelho2015-10-251-1/+1
| | | | | | | | | | Instead of only allowing the caller to decide whether the CMD_ASYNC flag is set, let it pass the entire flags bitmask. This allows more flexibility and will be needed when we call this function in the suspend flow (where other flags are needed). Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: nvm: add nvm phy_sku section to debugfsMoshe Harel2015-10-051-0/+3
| | | | | | | The only NVM section not captured in debugfs. Signed-off-by: Moshe Harel <moshe.harel@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
* iwlwifi: mvm: add debugfs hook to send ECHO_CMD to the firmwareEmmanuel Grumbach2015-08-281-0/+15
| | | | | | | | | | ECHO_CMD is a simple command that can be sent to the firmware just to check that it is alive. This command is useful for debug purpose, provide a debugfs hook to send it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
* iwlwifi: mvm: remove netdetect debugfs entryLuciano Coelho2015-08-281-114/+0
| | | | | | | | | | This debugfs entry was implemented just as a proof-of-concept before the full support for netdetect via cfg80211/mac80211 was implemented. Now that we have a proper way to enable netdetect from userspace, this entry is redundant and should be removed to avoid unnecessary maintenance work. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
* iwlwifi: mvm: catch underflow error earlierDan Carpenter2015-08-231-2/+3
| | | | | | | | | | My static checker complains that we don't check for underflows in iwl_dbgfs_fw_dbg_conf_write(). This is harmless because we have a sanity check in iwl_mvm_start_fw_dbg_conf(), but we may as well make this unsigned and silence the underflow warning. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: convert hex_dump_to_buffer() to %*phAndy Shevchenko2015-08-161-6/+1
| | | | | | | | | | | | | | | | | There is no need to use hex_dump_to_buffer() in the cases like this: hexdump_to_buffer(buf, len, 16, 1, outbuf, outlen, false); /* len <= 16 */ sprintf("%s\n", outbuf); since it maybe easily converted to simple: sprintf("%*ph\n", len, buf); Note: it seems in one case the output is groupped by 2 bytes and looks like a typo. Thus, patch changes that to plain byte stream. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add the ability to trigger only monitor dumpsOren Givon2015-08-041-1/+1
| | | | | | | | | | | | | Change the FW debug trigger tlv to include a monitor only option. Setting this option to true will cause fw dump triggers to only collect monitor data and skip other dumps such as SMEM, SRAM, CSR, PRPH, etc. This option is used when accessing the different parts of the firmware memory is not wanted and can cause unwanted behavior like when debugging TX latency. Signed-off-by: Oren Givon <oren.givon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: prepare for higher API/CAPA bitsJohannes Berg2015-06-031-3/+6
| | | | | | | | | | | | | | | | | | Currently, loading the firmware fails when it has higher API or CAPA bits than the driver supports. That's an issue with integration. At the same time, actually using api[0] and capa[0] will become confusing when we also have api[1] and capa[1], and it's almost certain that we'll mix up the bits and use the bits for api[1] with api[0] by accident. Avoid all this by translating the API/CAPA bits to the regular kernel test_bit() format, and also providing wrapper functions. Also use the __bitwise__ facility of sparse to check that we're testing the right one. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: fix ROC reference accountingEliad Peller2015-05-261-2/+3
| | | | | | | | | | | | | | | | | | | | | commit b112889c5af8124 ("iwlwifi: mvm: add Aux ROC request/response flow") added aux ROC flow in addition to the existing ROC flow. While doing it, it moved the ROC reference release to a common work item, which is being called for both the ROC and aux ROC flows. This resulted in invalid reference accounting, as no reference was taken in case of aux ROC, while a reference was released on completion. Fix it by adding a reference for the aux ROC as well, and release only the relevant references on completion (according to the set bits). While at it, convert cancel_work_sync() to flush_work(), in order to make sure the references are being cleaned properly. Fixes: b112889c5af8 ("iwlwifi: mvm: add Aux ROC request/response flow") Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add debugfs entry with the number of net-detect scansLuciano Coelho2015-04-021-0/+3
| | | | | | | | | | | Our testers need to know the number of scans performed while in net-detect mode before the device wakes up. The firmware already passes this information to the driver, so we can save it and report it in a debugfs entry. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: use debugfs_create_bool() for enable_scan_iteration_notifLuciano Coelho2015-03-261-23/+5
| | | | | | | | | There is no need to implement the enable_scan_iteration_notif handling explicitly and there's no reason not to export the current value. So use debugfs_create_bool() instead. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - update the new APIEmmanuel Grumbach2015-03-121-20/+6
| | | | | | | | | The firmware was not using the new API, so we don't need to differentiate between the different stages of this new API. The main difference here is that most of the hard coded values are not sent through the command anymore. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add the cause of the firmware dump in the dumpEmmanuel Grumbach2015-03-021-1/+1
| | | | | | | | | Now that the firmware dump can be triggered by events in the code and not only the user or an firmware ASSERT, we need a way to know why the firmware dump was triggered. Add a section in the dump file for that. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add framework for triggers for fw dumpEmmanuel Grumbach2015-03-021-3/+3
| | | | | | | | | | | | | | | | | | | Most of the time, the issues we want to debug with the firmware dump mechanism are transient. It is then very hard to stop the recording on time and get meaningful data. In order to solve this, I add here an infrastucture of triggers. The user will supply a list of triggers that will start / stop the recording. We have two types of triggers: start and stop. Start triggers can start a specific configuration. The stop triggers will be able to kick the collection of the data with the currently running configuration. These triggers are given to the driver by the .ucode file - just like the configuration. In the next patches, I'll add triggers in the code. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: generate statistics debugfs codeJohannes Berg2015-01-221-85/+77
| | | | | | | | | There's no need to duplicate the structure field name in the string, just generate the string in the macro that's there anyway. To keep the debugfs output the same, rename one (otherwise unused) field. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: make sure state isn't in d0i3 when stopping fw monitorLiad Kaufman2015-01-221-2/+7
| | | | | | | | | | In case platform is in d0i3 - make sure it is awake when writing the registers to stop the monitor when collecting FW debug data. Plus, remove unneeded mutex locking currently done. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: Add debugfs entry to enable scan offload notificationAlexander Bondar2015-01-221-0/+23
| | | | | | | | | This option enables scan offload iteration complete notification from firmware which includes the last iteration's status and the scanned channels from the current iteration. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: make sure state isn't in d0i3 when collecting fw dbgLiad Kaufman2015-01-221-0/+1
| | | | | | | | | This makes sure that we're not trying to read/write any of the FW debug data collected during d0i3. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add debugfs to trigger fw debug logs collectionEmmanuel Grumbach2014-12-281-0/+54
| | | | | | | | This allows to collect the logs even if the firmware hasn't crashed. Of course, crashing the firmware is an option, but this is easier and nicer. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: support LnP 1x1 antenna configurationMoshe Harel2014-12-281-1/+1
| | | | | | | | | | The antenna configuration has to be read also from OTP Currently read only from FW image Guideline: An antenna exists only if appears both in FW image & NVM Signed-off-by: Moshe Harel <moshe.harel@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add missing mvm ref debug printEliad Peller2014-12-011-0/+1
| | | | | | | | | | IWL_MVM_REF_PROTECT_CSA is missing from the ref strings used by debugfs. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: make nd_ies part of the mvm structLuciano Coelho2014-11-231-8/+0
| | | | | | | | | Instead of allocating nd_ies separately, make it part of the iwl_mvm structure so it's easier to handle its lifetime. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: implement UMAC scan APIDavid Spinadel2014-11-231-1/+5
| | | | | | | | | | | | | | | | This API uses second CPU scan commands, and can support multiple simultaneous scans. Adding the new API, and adding new mechanisms to deal with up to 8 simultaneous scans instead of the old scan status. New scan API requires scan configuration for default scan parameters, adding it in _up flow. Also updating scan configuration after updating valid scan antennas via debugfs. Signed-off-by: David Spinadel <david.spinadel@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: port to devcoredump frameworkJohannes Berg2014-10-291-79/+0
| | | | | | | | | | | iwlwifi features a debug mechanism that allows to dump binary data which is helpful to debug the firmware. Until now, this data was made available for the userspace through debugfs. For this exact purpose, devcoredump was created. Move to the new infrastructure. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add debugfs entry to configure netdetect SSIDsLuciano Coelho2014-10-291-0/+122
| | | | | | | | | Before we get all the chain (ie. mac80211, cfg80211, nl80211 and userspace) changed to support net-detect, we can use this debugfs entry for easy testing and as a proof of concept. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add debugfs entry to read the current temperatureLuciano Coelho2014-09-161-0/+25
| | | | | | | | | When read, this new debugfs entry requests the current temperature from the firmware and outputs it. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: update d0i3 debugfsJohannes Berg2014-09-141-0/+12
| | | | | | | | | A lot of the newer d0i3 ref additions weren't added to the debugfs file, fix that and add a comment to remember to do it in the future. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: fail temp test enabling if the ucode is not loadedLuciano Coelho2014-09-141-0/+3
| | | | | | | | | If the ucode is not loaded, don't allow the temperature test to be started, but allow it to be changed or stopped if already running. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: add Intel Mobile Communications copyrightJohannes Berg2014-09-031-0/+2
| | | | | | | | | | | | Our legal structure changed at some point (see wikipedia), but we forgot to immediately switch over to the new copyright notice. For files that we have modified in the time since the change, add the proper copyright notice now. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: disable tx aggregation on low latency vifsEyal Shapira2014-09-031-0/+4
| | | | | | | | | | | Aggregations hit latency so disable it by default on low latency vifs for now. Enable control over this behavior and allow control over the max frames in an AMPDU in low latency vifs via debugfs. Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add debugfs entry for ps_disabledLuciano Coelho2014-09-031-0/+3
| | | | | | | | | | | In order to make debugging easier, add an entry to export the ps_disabled value via debugfs. To make usage of the debugfs_create_*() function easier, change the ps_disabled element to u8. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: reset the temperature when temperature test is disabledLuciano Coelho2014-09-031-0/+10
| | | | | | | | | | | | | | | | Since we can't read the actual temperature when the firmware is running, just set the temperature to 0 when the test is disabled and disable CT Kill if it was enabled. Additionally, since we rely on iwl_mvm_tt_handler() to exit CT kill when in test mode, call iwl_mvm_exit_ctkill() in that function if the temperature is low again. Also make the iwl_mvm_enter_ctkill() and iwl_mvm_exit_ctkill() return if called when not necessary anymore (e.g. when iwl_mvm_exit_ctkill() is called when we're not in CT-kill). Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: Add set NIC temperature debug optionMatti Gottlieb2014-09-031-0/+57
| | | | | | | | | Add ability to set the NIC's temperature and ignore the actual temperature that the FW supplies. Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: split fw-error-dump between transport and mvmEmmanuel Grumbach2014-07-221-5/+35
| | | | | | | | | | | The mvm op_mode won't allocate the buffer for the transport any more. The transport allocates its own buffer and mvm is in charge of splicing the buffers in the debugfs hook. This makes the repartition easier to handle. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - fix the ACK / CTS kill maskEmmanuel Grumbach2014-07-221-6/+15
| | | | | | | | | | | | According to new requirements, the ACK / CTS kill mask is not related to reduced TX power anymore. This allows to remove the code that tracked reduced TX power enablement across different interfaces. The ACK / CTS kill mask is now fetch from a table. It depends on the Activity grading (activity from BT) and on the Look Up Table (LUT) type. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add some missing iwl_mvm_ref_sync() callsEliad Peller2014-07-211-9/+34
| | | | | | | | | | | | | | | Add iwl_mvm_ref_sync() calls (with new ref types) to flows that might access the device directly. These calls make sure the device is out of d0i3, and the bus is available for direct access. Since some of these functions are reentrant, convert the refs_bitmap to a ref counter, so multiple refs of the same type could be taken concurrently. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - fix debugfs with old APIEmmanuel Grumbach2014-07-071-35/+148
| | | | | | | Fix the debugfs hook to make it able to display the data with the old firmware API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - new APIEmmanuel Grumbach2014-07-071-16/+6
| | | | | | | | | | | | Start the new BT Coex implementation. Don't react to notifications for now - only the initial configuration is implemented. The rest will happen in next patches. Since coex.c now uses the new the new structures in all functions, we need to adapt the code to compile, even if it doesn't run yet. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - prepare towards new APIEmmanuel Grumbach2014-07-071-2/+2
| | | | | | | | | | | | A new API is coming. This new API is not backward compatible. So we need to keep the old commands to be able to work with the former API. Move all the current code into a new file: coex_legacy. If a firmware with the new API is detected, we currently just bail out since the implementation of the new API will come in future patches. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - allow to force the antenna allocationEmmanuel Grumbach2014-06-241-0/+39
| | | | | | This can be used for testing. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: update nmi registerLiad Kaufman2014-05-151-2/+1
| | | | | | | | | | | In the 8000 HW family the register for forcing an NMI has changed, so this allows to still be able to force an NMI while taking into account the HW in order to write to the correct register. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: remove CMD_SYNCEmmanuel Grumbach2014-05-131-3/+3
| | | | | | | | | CMD_SYNC is really 0 which is confusing: if (cmd.flags & CMD_SYNC) is always false. Fix this by simply removing its definition. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm/pcie: capture last commands on firmware errorJohannes Berg2014-05-061-1/+1
| | | | | | | | When a firmware error occurs, capture the last 32 commands (which are still in memory) in the error dump debugfs file. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: replace leading spaces by tabsEmmanuel Grumbach2014-04-131-3/+3
| | | | | | | Somehow I added spaces instead of tabs to a few lines in debugfs.c. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: don't use d3 fw if d0i3 is usedEliad Peller2014-04-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | bail out from the suspend/resume callbacks if d0i3 is used. declare support for ANY wowlan trigger (i.e. normal operation). On resume, we shouldn't execute the d0i3 exit flow (which might disconnect stations, etc.) until mac80211 was resumed. Add new flags to indicate we are in suspend, and call the pending exit work on resume. Since the resume flow can take some time, add a new EXIT_WORK reference type to prevent going back to d0i3 at this stage. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: remove IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD flagEmmanuel Grumbach2014-04-131-3/+2
| | | | | | | All the supported firmwares have this flag set. Reviewed-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: dump Rx FIFO when the firmware assertsEmmanuel Grumbach2014-04-131-3/+0
| | | | | | | | | | | | | | The Rx FIFO includes valuable data - dump it when the FW asserts. Also - free the SRAM and Rx FIFO when we create the file, and don't collect new SRAM / Rx FIFO if the previous file hasn't been collected through debugfs yet. Also - add a comment to saying that the ASSERT output should not be modified since we have automatic scripts that monitor this output. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: add missing includeEmmanuel Grumbach2014-03-191-0/+2
| | | | | | | | | | | | | | This fixes the build for powerpc: After merging the final tree, today's linux-next build (powerpc allyesconfig) failed like this: drivers/net/wireless/iwlwifi/mvm/debugfs.c: In function 'iwl_dbgfs_fw_error_dump_release': drivers/net/wireless/iwlwifi/mvm/debugfs.c:161:2: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration] vfree(file->private_data); ^ Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: BT Coex - add debugfs hook to set BT Tx priorityEmmanuel Grumbach2014-03-181-0/+18
| | | | | | | | | | | | In order to debug the firmware, we need to be able to set the BT priority of WiFi packets. This priority is set based on the type of the packet (control frames, EAPOL etc...). For debugging purposes, allow to override this priority by a debugfs controlled value. Enable this feature that needs this priority to be able to test it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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