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2019-12-18staging: wfx: drop useless wfx_scan_complete()Jérôme Pouiller
Since wfx_scan_complete() is now only called from wfx_scan_complete_cb(), it make sense to merge the both functions. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-47-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: device already handle sleep mode during scanJérôme Pouiller
The device is not allowed to enter in sleep mode during scan. However, this is already handled by the device. So driver does not have to care about it. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-46-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: hif_scan() never failsJérôme Pouiller
If scan fails, status is returned in hif_ind_scan_cmpl. hif_scan always return a success. So, we can simplify the code. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-45-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify hif_set_edca_queue_params() usageJérôme Pouiller
The struct hif_req_edca_queue_params comes from hardware API. It is not intended to be manipulated in upper layers of the driver. So, this patch: 1. relocate the handling of this struct in hif_set_edca_queue_params() (the low level function) 2. replace it in wfx_vif by the mac80211 equivalent: struct ieee80211_tx_queue_params Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-44-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: remove unnecessary EDCA initialisationJérôme Pouiller
mac80211 already call wfx_conf_tx() on every VIF instanciation. So, the driver does not need to do it. Note that current code did dirty things with wvif->edca_params. This struct was initialized, but only 'queue_id' was really used. The other members are only used to store temporary values. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-43-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: drop struct wfx_edca_paramsJérôme Pouiller
Intermediate structure wfx_edca_params does not help. This patch relocates its members directly in struct wfx_vif. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-42-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify hif_set_pm() usageJérôme Pouiller
The struct hif_req_set_pm_mode comes from hardware API. It is not intended to be manipulated in upper layers of the driver. So, this patch relocate the handling of this struct to hif_set_pm() (the low level function). Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-41-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify hif_set_uapsd_info() usageJérôme Pouiller
It is useless to keep uapsd_info in struct wfx_vif. This structure can be rebuilt just before to be sent. In add, the struct hif_mib_set_uapsd_information comes from hardware API. It is not intended to be manipulated in upper layers of the driver. So, this patch relocates the handling of this struct to hif_set_uapsd_info() (the low level function). Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-40-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: prefer a bitmask instead of an array of booleanJérôme Pouiller
It is easier to manipulate a int than an array of booleans. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-39-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify wfx_conf_tx()Jérôme Pouiller
Error management of wfx_conf_tx() can be simplified. In add, the hardware command "hif_set_edca_queue_params" never returns any error. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-38-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix pm_mode timeoutJérôme Pouiller
Maximum request time (how long a request wait for the medium) is set in firmware to 512TU Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-37-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: do not try to save call to hif_set_pm()Jérôme Pouiller
Current code try to not exchange data with device if it is not necessary. However, it seems that the additional code does not provide any gain. So, we prefer to keep a simpler code. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-36-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: drop unnecessary wvif->powersave_modeJérôme Pouiller
Power save status is already available in bss_conf. So there is no reason to keep information duplicated in wvif->powersave_mode. In add, type of wvif->powersave_mode is low level struct made to communicate with device. We would like to limit usage of this kind of struct in upper layers of the driver. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-35-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: remove redundant test while calling wfx_update_pm()Jérôme Pouiller
Condition about wvif->state and wvif->bss_params.aid is already checked at beginning of wfx_update_pm(). Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-34-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: drop useless argument from wfx_set_pm()Jérôme Pouiller
Argument to wfx_set_pm() is always wvif->powersave_mode. So, we can simplify it. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-33-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: declare wfx_set_pm() staticJérôme Pouiller
wfx_set_pm() is now only used by sta.c. It can be declared static. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-32-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: firmware already handle powersave mode during scanJérôme Pouiller
When user try to launch scan while connected, it is necessary to notify the AP that we cannot receive data (using power save mode). Firmware already handles this automatically so the code in the driver is redundant and can be dropped. By edge effect, hack of scan status in wfx_set_pm() is now useless. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-31-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify handling of tx_lock in wfx_do_join()Jérôme Pouiller
In the old days, wfx_do_join() could be called from different contexts. Now that wfx_do_join() is called only from one place, it is cleaner to keep lock and unlock of data inside the function. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-30-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: better naming for hif_mib_set_association_mode->greenfieldJérôme Pouiller
Current name "mixed_or_greenfield_type" does not allow to know if "true" means "mixed" of "greenfield". It is possible to use a better name and drop "enum hif_tx_mode". Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-29-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: better naming for hif_req_join->short_preambleJérôme Pouiller
HIF_PREAMBLE_SHORT_LONG12 is never used. So it is possible to change "preamble_type" into a boolean and drop "enum hif_preamble". Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-28-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: improve API of hif_req_join->infrastructure_bss_modeJérôme Pouiller
In fact "mode" is a boolean that indicates if IBSS mode is used. This patch fixes the name and uses a more adapted memory representation. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-27-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix name of struct hif_req_start_scan_altJérôme Pouiller
The original name did not make any sense. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-26-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix typo in "num_i_es"Jérôme Pouiller
The script that has imported API header has made a mistake "num_i_es". Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-25-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix typo in "num_of_ssi_ds"Jérôme Pouiller
The script that has imported API headers has made a mistake in "num_of_ssi_ds". Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-24-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: ensure that received hif messages are never modifiedJérôme Pouiller
There are no real reason to modify the data received from device. So, let's mark the arguments constant. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-23-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: ensure that traces never modify argumentsJérôme Pouiller
There is no reason for a trace to change any bit of the argument. So, let's make sure that is the case by declaring the arguments constant. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-22-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: make conditions easier to readJérôme Pouiller
We prefer series of simple boolean conditions than computing bitmasks. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-21-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: simplify variable assignmentJérôme Pouiller
Attribute "aborted" and argument "aborted" are both booleans. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-20-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: remove useless includeJérôme Pouiller
hif_tx.c does not use any struct skb. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-19-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: use meaningful names for CFG_BYTE_ORDER_*Jérôme Pouiller
This new naming allows to save a comment. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-18-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: uniformize naming ruleJérôme Pouiller
In wfx driver, when a function is used as a struct member, its name is the name of the member prefixed with "wfx_". This patch apply this rule to wfx_spi_remove(). Also remove the useless comment above the function. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-17-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: take advantage of IS_ERR_OR_NULL()Jérôme Pouiller
Obviously, current code can be replaced by IS_ERR_OR_NULL(). Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-16-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: improve error message on unexpected confirmationJérôme Pouiller
When driver receives an unexpected answer from the device, it shows "unsupported HIF ID". That message does not represent the real error. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-15-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: avoid double warning when no more tx policy are availableJérôme Pouiller
Currently, number of available tx retry policies is checked two times. Only one is sufficient. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-14-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: don't print useless error messagesJérôme Pouiller
During chip probing, if error does not come from secure boot (for exemple when firmware has been found), others errors probably appears. It is not necessary to say to user that the error does not come from secure boot. So, drop the message saying "no error reported by secure boot". BTW, we take the opportunity to simplify print_boot_status(). Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-13-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: increase SPI bus frequency limitJérôme Pouiller
The chip has now proven that it can run at 50MHz on any boards without any problem. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-12-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix wrong error messageJérôme Pouiller
The driver checks that the number of retries made by the device is coherent with the rate policy. However, this check make sense only if the device has returned RETRY_EXCEEDED. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-11-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix hif_set_mfp() with big endian hostsJérôme Pouiller
struct hif_mib_protected_mgmt_policy is an array of u8. There is no reason to swap its bytes. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-10-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: detect race condition in WEP authenticationJérôme Pouiller
Current code has a special case to handle association with WEP. Before to rework the tx data handling, let's try to detect any possible misuse of this code. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-9-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: ensure that retry policy always fallbacks to MCS0 / 1MbpsJérôme Pouiller
When not using HT mode, minstrel always includes 1Mbps as fallback rate. But, when using HT mode, this fallback is not included. Yet, it seems that it could save some frames. So, this patch add it unconditionally. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-8-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix rate control handlingJérôme Pouiller
A tx_retry_policy (the equivalent of a list of ieee80211_tx_rate in hardware API) is not able to include a rate multiple time. So currently, the driver merges the identical rates from the policy provided by minstrel (and it try to do the best choice it can in the associated flags) before to sent it to firmware. Until now, when rates are merged, field "count" is set to max(count1, count2). But, it means that the sum of retries for all rates could be far less than initial number of retries. So, this patch changes the value of field "count" to count1 + count2. Thus, sum of all retries for all rates stay the same. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-7-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: firmware does not support more than 32 total retriesJérôme Pouiller
The sum of all retries for a Tx frame cannot be superior to 32. There are 4 rates at most. So this patch limits number of retries per rate to 8. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-6-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: use boolean appropriatelyJérôme Pouiller
The field 'uploaded' is used as a boolean, so call it a boolean. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-5-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix counter overflowJérôme Pouiller
Some weird behaviors were observed when connection is really good and packets are small. It appears that sometime, number of packets in queues can exceed 255 and generate an overflow in field usage_count. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-4-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix case of lack of tx_retry_policiesJérôme Pouiller
In some rare cases, driver may not have any available tx_retry_policies. In this case, the driver asks to mac80211 to stop sending data. However, it seems that a race is possible and a few frames can be sent to the driver. In this case, driver can't wait for free tx_retry_policies since wfx_tx() must be atomic. So, this patch fix this case by sending these frames with the special policy number 15. The firmware normally use policy 15 to send internal frames (PS-poll, beacons, etc...). So, it is not a so bad fallback. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-3-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18staging: wfx: fix the cache of rate policies on interface resetJérôme Pouiller
Device and driver maintain a cache of rate policies (aka. tx_retry_policy in hardware API). When hif_reset() is sent to hardware, device resets its cache of rate policies. In order to keep driver in sync, it is necessary to do the same on driver. Note, when driver tries to use a rate policy that has not been defined on device, data is sent at 1Mbps. So, this patch should fix abnormal throughput observed sometime after a reset of the interface. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20191217161318.31402-2-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17staging: rtl8188eu: add spaces around operators in rtw_mlme_ext.cMichael Straube
Add missing spaces around operators to improve readability and clear checkpatch issues. Signed-off-by: Michael Straube <straube.linux@gmail.com> Link: https://lore.kernel.org/r/20191214100955.16670-2-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17staging: rtl8188eu: cleanup comparsions to NULL in rtw_mlme_ext.cMichael Straube
Cleanup comparsions to NULL reported by checkpatch. if (x == NULL) -> if (!x) if (x != NULL) -> if (x) Signed-off-by: Michael Straube <straube.linux@gmail.com> Link: https://lore.kernel.org/r/20191214100955.16670-1-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17staging: most: use angle brackets in include pathChristian Gromm
This patch replaces the double quotes in all include paths with angle brackets. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Link: https://lore.kernel.org/r/1576238662-16512-7-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17staging: most: configfs: reduce array sizeChristian Gromm
This patch reduces the size of the arrays inside the mdev_link struct to a reasonable value. Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Link: https://lore.kernel.org/r/1576238662-16512-6-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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