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* mac80211: Update to version 4.19.57Hauke Mehrtens2019-08-1760-1567/+244
| | | | | | | | | This updates to backports-4.19.57-1 which contains the wireless subsystem and driver from kernel 4.19.57. The removed patches are applied upstream. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* mac80211: brcm: improve brcmfmac debugging of firmware crashesRafał Miłecki2019-07-282-1/+39
| | | | | | | This provides a complete console messages dump. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit 6a7b201b6c5c82d3d8d392ae931100c1909869e0)
* mac80211: brcm: update brcmfmac 5.4 patchesRafał Miłecki2019-07-2810-23/+32
| | | | | | | Use commits from wireless-drivers-next.git. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit 8e466fb7e315f33d0d2bbc06c4fa7c27b81d9a3b)
* mac80211: brcm: backport first set of 5.4 brcmfmac changesRafał Miłecki2019-07-2119-15/+1875
| | | | | | | | | | | | This doesn't include 9ff8614a3dbe ("brcmfmac: use separate Kconfig file for brcmfmac") due to a few conflicts with backports changes. An important change is: [PATCH 2/7] brcmfmac: change the order of things in brcmf_detach() which fixes a rmmod crash in the brcmf_txfinalize(). Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit db8e08a5a4469f98ed5d9b0ff3189e356f53d924)
* mac80211: update WDS/4addr fix to the version accepted upstreamStefan Lippers-Hollmann2019-06-221-31/+27
| | | | | | | | | | | | | This updates "{nl,mac}80211: allow 4addr AP operation on crypto controlled devices" to the version (v3), which was accepted into upstream mac80211.git and which is tagged for -stable backporting (v4.18+). https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=33d915d9e8ce811d8958915ccd18d71a66c7c495 Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [format-patch]
* mac80211: brcm: backport remaining brcmfmac 5.2 patchesRafał Miłecki2019-06-168-1/+361
| | | | | | | | This improves FullMAC firmware compatibility, adds logging in case of firmware crash and *may* fix "Invalid packet id" errors. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit 8888cb725d492ad5cad5b59fc7117b006e1bba5a)
* mac80211: refresh patchesChristian Lamparter2019-06-152-19/+16
| | | | Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
* mac80211: ath10k: adjust tx power reduction for US regulatory domainSven Eckelmann2019-06-151-0/+101
| | | | | | | | | | | | | | | | | | | | | | | | FCC allows maximum antenna gain of 6 dBi. 15.247(b)(4): > (4) The conducted output power limit > specified in paragraph (b) of this section > is based on the use of antennas > with directional gains that do not exceed > 6 dBi. Except as shown in paragraph > (c) of this section, if transmitting > antennas of directional gain greater > than 6 dBi are used, the conducted > output power from the intentional radiator > shall be reduced below the stated > values in paragraphs (b)(1), (b)(2), > and (b)(3) of this section, as appropriate, > by the amount in dB that the > directional gain of the antenna exceeds > 6 dBi. https://www.gpo.gov/fdsys/pkg/CFR-2013-title47-vol1/pdf/CFR-2013-title47-vol1-sec15-247.pdf Signed-off-by: Sven Eckelmann <sven@narfation.org>
* mac80211: ath10k: fix max antenna gain unitSven Eckelmann2019-06-151-0/+49
| | | | | | | | | | | | | | | Most of the txpower for the ath10k firmware is stored as twicepower (0.5 dB steps). This isn't the case for max_antenna_gain - which is still expected by the firmware as dB. The firmware is converting it from dB to the internal (twicepower) representation when it calculates the limits of a channel. This can be seen in tpc_stats when configuring "12" as max_antenna_gain. Instead of the expected 12 (6 dB), the tpc_stats shows 24 (12 dB). Tested on QCA9888 and IPQ4019 with firmware 10.4-3.5.3-00057. Signed-off-by: Sven Eckelmann <sven@narfation.org>
* mac80211: ath9k: Increase allowed antenna gain to 6 dBiSven Eckelmann2019-06-151-3/+3
| | | | | | | | | | | | | | | | | | | | | | FCC allows maximum antenna gain of 6 dBi. 15.247(b)(4): > (4) The conducted output power limit > specified in paragraph (b) of this section > is based on the use of antennas > with directional gains that do not exceed > 6 dBi. Except as shown in paragraph > (c) of this section, if transmitting > antennas of directional gain greater > than 6 dBi are used, the conducted > output power from the intentional radiator > shall be reduced below the stated > values in paragraphs (b)(1), (b)(2), > and (b)(3) of this section, as appropriate, > by the amount in dB that the > directional gain of the antenna exceeds > 6 dBi. Signed-off-by: Sven Eckelmann <sven@narfation.org>
* mac80211: rt2x00: replace patches with upstream versionDaniel Golle2019-04-2922-1203/+959
| | | | | | | | | | Support for RT3883/RT3663 was merged upstream [1]. Use that patch instead of our original series. The resulting source tree is exactly identical, this commit is merely reorganizing the patches. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git/commit/?id=d0e61a0f7cca51ce340a5a73595189972122ff25 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: fix regression in skb resizing optimization in monitor mode (FS#2254)Felix Fietkau2019-04-241-21/+21
| | | | | | | struct ieee80211_local needs to be passed in separately instead of dereferencing the (potentially NULL) sdata Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: brcm: backport brcmfmac 5.2 patchesRafał Miłecki2019-04-1818-1/+1410
| | | | | | | This includes some USB fixes and early work on FullMAC firmware crash recovery. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* mac80211: Fix rate_idx underflow in mwl8k (FS#2218)Petr Štetiar2019-04-141-0/+80
| | | | | | | Add a patch for mwl8k which fixes endless reboot loops on Linksys EA4500 with certain 5G configurations. Signed-off-by: Petr Štetiar <ynezz@true.cz>
* mac80211: rt2x00: replace patch with upstream versionDaniel Golle2019-04-123-57/+96
| | | | | | | | Replace the patch introduced by commit d0b969eee8 ("mac80211: rt2x00: do not increment sequence number while re-transmitting") was merged into wireless-drivers.git. Replace our version with the merged version. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: update to version 4.19.32-1Hauke Mehrtens2019-04-0614-181/+85
| | | | | | | | The removed patches are now integrated in the upstream kernel. Refresh all patches on top of the new backports release. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Tested-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
* mac80211: improve performance by deferring tx queue selectionFelix Fietkau2019-04-031-0/+183
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: fix an issue with the TXQ scheduling API and powersave clientsFelix Fietkau2019-03-201-0/+31
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: improve the txq scheduling API to deal with driver buffered packetsFelix Fietkau2019-03-201-0/+105
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: optimize skb resizing to avoid reallocation when using 802.11s + ↵Felix Fietkau2019-03-201-0/+198
| | | | | | batman-adv Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: add a few performance improvement patchesFelix Fietkau2019-03-164-0/+297
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: improve locking around the txq scheduling / airtime fairness APIFelix Fietkau2019-03-161-0/+214
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: backport the txq scheduling / airtime fairness APIFelix Fietkau2019-03-168-57/+1121
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: fix an unaligned access in the mesh hash table functionFelix Fietkau2019-03-161-0/+21
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: update and fix the patch to allow 4-byte aligned tx skbsFelix Fietkau2019-03-1614-300/+371
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: allocate tailroom for forwarded mesh packetsFelix Fietkau2019-03-161-0/+37
| | | | | | Fixes a warning + packet loss on encrypted mesh networks with forwarding Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: rt2x00: import and update pending patchesDaniel Golle2019-03-1212-5/+192
| | | | | | | | | | | Imported from patchwork, patches marked with '=' have already been in our tree: [v3,1/4] cfg80211: add ratelimited variants of err and warn [v3,2/4] rt2x00: use ratelimited variants dev_warn/dev_err [v3,3/4] rt2x00: check number of EPROTO errors =[v3,4/4] rt2x00: do not print error when queue is full Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: rt2x00: do not increment sequence number while re-transmittingVijayakumar Durai2019-03-051-0/+55
| | | | | | | | | | | Currently STA+AP re-transmitting the management frames with incremented sequence number if hardware is assigning the sequence. Fix is to assign the sequence number for Beacon by hardware and for other Management frames software will assign the sequence number Signed-off-by: Vijayakumar Durai <vijayakumar.durai1@vivint.com>
* mac80211: add a fix to prevent unsafe queue wake calls during restartFelix Fietkau2019-03-011-0/+33
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: backport tx queue start/stop fixFelix Fietkau2019-03-016-15/+287
| | | | | | Among other things, it fixes a race condition on calling ieee80211_restart_hw Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: rt2x00: cleanup ePA, RXIQ and TX-LOFT codeDaniel Golle2019-03-014-230/+84
| | | | | | | | | | consolidate patch 651-rt2x00-remove-unneccesary-code.patch. fixup the most obvious whitespace problems in RXIQ and TX-LOFT code. always backup registers bbpr1, bbpr4, bbpr241 and bbpr242 to avoid compiler warning about them being potentially uninitialized. no functional changes (intended) Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: rt2x00: patch tracking cosmeticsDaniel Golle2019-03-019-0/+27
| | | | Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: ath10k: fix incorrect multicast/broadcast rate settingSven Eckelmann2019-02-261-0/+43
| | | | | | | | | If no mcast_rate is set for the wifi-iface then there is no rate_idx (0) set for the bss. This breaks for example 5GHz meshpoint interfaces because 0 maps to a CCK rate (11Mbit/s). Fixes: db90c243a0b9 ("mac80211: update to version based on 4.19-rc4") Signed-off-by: Sven Eckelmann <sven@narfation.org>
* mac80211: Add WDS / 4addr fix for ath10k supported devicesHauke Mehrtens2019-02-261-0/+107
| | | | | | | | | | This should fix the WDS / 4addr mode with ath10k and probably other devices. This patch was found here: https://patchwork.kernel.org/patch/10692383/ Fixes: d9eefa7a7031 ("mac80211: rebase ontop of v4.18.5") Reported-by: Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* mac80211: rt2x00: fix crash on release_firmwareStanislaw Gruszka2019-02-262-5/+5
| | | | | | | | | | Fix crash due to passing invalid r2x00dev->eeprom_file pointer to release_firmware(). Since we copy eeprom data with EEPROM_SIZE in rt2800_read_eeprom() we can use eeprom_file->size as marker if the file was crated by request_firmware(). Acked-by: Kristian Evensen <kristian.evensen@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
* mac80211: backport more brcmfmac changes queued for the 5.1Rafał Miłecki2019-02-2016-7/+4647
| | | | Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* hostapd: add Multi-AP patches and config optionsArnout Vandecappelle (Essensium/Mind)2019-02-205-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Cherry-pick Multi-AP commits from uptream: 9c06f0f6a hostapd: Add Multi-AP protocol support 5abc7823b wpa_supplicant: Add Multi-AP backhaul STA support a1debd338 tests: Refactor test_multi_ap bfcdac1c8 Multi-AP: Don't reject backhaul STA on fronthaul BSS cb3c156e7 tests: Update multi_ap_fronthaul_on_ap to match implementation 56a2d788f WPS: Add multi_ap_subelem to wps_build_wfa_ext() 83ebf5586 wpa_supplicant: Support Multi-AP backhaul STA onboarding with WPS 66819b07b hostapd: Support Multi-AP backhaul STA onboarding with WPS 8682f384c hostapd: Add README-MULTI-AP b1daf498a tests: Multi-AP WPS provisioning Add support for Multi-AP to the UCI configuration. Every wifi-iface gets an option 'multi_ap'. For APs, its value can be 0 (multi-AP support disabled), 1 (backhaul AP), 2 (fronthaul AP), or 3 (fronthaul + backhaul AP). For STAs, it can be 0 (not a backhaul STA) or 1 (backhaul STA, can only associate with backhaul AP). Also add new optional parameter to wps_start ubus call of wpa_supplicant to indicate that a Multi-AP backhaul link is required. Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
* mac80211: rt2x00: replace pending by merged patchesDaniel Golle2019-02-205-5/+10
| | | | | | | | | | | Those have by now been merged into wireless-drivers-next: 17ae2acd1a6f rt2x00: remove unneeded check 5991a2ecd070 rt2x00: remove confusing AGC register 9ad3b5565445 rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band 7aca14885ede rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 c7ff1bfeaf1c rt2800: comment and simplify AGC init for RT6352 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: rt2x00: backport accepted and pending patches from upstreamDaniel Golle2019-02-1961-200/+1515
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | backport from wireless-drivers-next, replacing some existing patches in our tree (marked with '=' are those which were already present): f483039cf51a rt2x00: use simple_read_from_buffer() =5c656c71b1bf rt2800: move usb specific txdone/txstatus routines to rt2800lib =0b0d556e0ebb rt2800mmio: use txdone/txstatus routines from lib =5022efb50f62 rt2x00: do not check for txstatus timeout every time on tasklet =adf26a356f13 rt2x00: use different txstatus timeouts when flushing =0240564430c0 rt2800: flush and txstatus rework for rt2800mmio 6eba8fd22352 rt2x00: rt2400pci: mark expected switch fall-through 10bb92217747 rt2x00: rt2500pci: mark expected switch fall-through 916e6bbcfcff rt2x00: rt2800lib: mark expected switch fall-throughs 641dd8068ecb rt2x00: rt61pci: mark expected switch fall-through 750afb08ca71 cross-tree: phase out dma_zalloc_coherent() =c2e28ef7711f rt2x00: reduce tx power to nominal level on RT6352 a4296994eb80 rt2x00: Work around a firmware bug with shared keys 2587791d5758 rt2x00: no need to check return value of debugfs_create functions pending on linux-wireless: rt2x00: remove unneeded check rt2x00: remove confusing AGC register rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 rt2800: comment and simplify AGC init for RT6352 rt2x00: do not print error when queue is full rt2800: partially restore old mmio txstatus behaviour rt2800: new flush implementation for SoC devices rt2800: move txstatus pending routine rt2800mmio: fetch tx status changes rt2800mmio: use timer and work for handling tx statuses timeouts rt2x00: remove last_nostatus_check rt2x00: remove not used entry field rt2x00mmio: remove legacy comment While at it also rename some existing patches now that there are separate folders with patches for each driver to make things a bit nicer to handle. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* iw: update to 5.0.1Deng Qingfang2019-02-171-2/+27
| | | | | | | | | | | | | Refresh patches MIPS IPK size increases: iw-tiny: +3k iw-full: +10k Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn> [Remove sha256, nan, bloom, measurements and ftm from tiny version] [sync nl80211 between backports and iw] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* mac80211: update to version 4.19.23-1Hauke Mehrtens2019-02-1733-698/+60
| | | | | | | | This updates mac80211 to backports version 4.19.23-1 which includes all the stable fixes from kernel 4.19.23. The removed patches are included in this version. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* mac80211: brcmfmac: backport early changes queued for the Linux 5.1Rafał Miłecki2019-02-1211-3/+2715
| | | | Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* mac80211: brcmfmac: backport remaining patches from the Linux 5.0Rafał Miłecki2019-02-1214-3/+1071
| | | | Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* mac80211: ath10k: support for management rate controlSven Eckelmann2019-02-112-0/+155
| | | | | | | | | | | | | Issues a wmi command to firmware when multicast rate change is received with the new BSS_CHANGED_MCAST_RATE flag. Also fixes the incorrect fixed_rate setting for CCK rates which got introduced with addition of ath10k_rates_rev2 enum. By default the firmware uses 1Mbps and 6Mbps rate for management packets in 2G and 5G bands respectively. But when the user selects different basic rates from the userspace, we need to send the management packets at the lowest basic rate selected by the user. Signed-off-by: Sven Eckelmann <sven@narfation.org>
* mac80211: brcmfmac: fix a possible NULL pointer dereferenceRafał Miłecki2019-02-111-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a possible crash in the brcmf_fw_request_nvram_done(): [ 31.687293] Backtrace: [ 31.689760] [<c004fb4c>] (__wake_up_common) from [<c004fc38>] (__wake_up_locked+0x1c/0x24) [ 31.698043] r10:c6794000 r9:00000009 r8:00000001 r7:bf54dda0 r6:a0000013 r5:c78e7d38 [ 31.705928] r4:c78e7d3c r3:00000000 [ 31.709528] [<c004fc1c>] (__wake_up_locked) from [<c00502a8>] (complete+0x3c/0x4c) [ 31.717148] [<c005026c>] (complete) from [<bf54590c>] (brcmf_fw_request_nvram_done+0x5c8/0x6a4 [brcmfmac]) [ 31.726818] r7:bf54dda0 r6:c6794000 r5:00001990 r4:c6782380 [ 31.732544] [<bf545344>] (brcmf_fw_request_nvram_done [brcmfmac]) from [<c0204e40>] (request_firmware_work_func+0x38/0x60) [ 31.743607] r10:00000008 r9:c6bdd700 r8:00000000 r7:c72c3cd8 r6:c67f4300 r5:c6bda300 [ 31.751493] r4:c67f4300 [ 31.754046] [<c0204e08>] (request_firmware_work_func) from [<c0034458>] (process_one_work+0x1e0/0x318) [ 31.763365] r4:c72c3cc0 [ 31.765913] [<c0034278>] (process_one_work) from [<c0035234>] (worker_thread+0x2f4/0x448) [ 31.774107] r10:00000008 r9:00000000 r8:c6bda314 r7:c72c3cd8 r6:c6bda300 r5:c6bda300 [ 31.781993] r4:c72c3cc0 [ 31.784545] [<c0034f40>] (worker_thread) from [<c003984c>] (kthread+0x100/0x114) [ 31.791949] r10:00000000 r9:00000000 r8:00000000 r7:c0034f40 r6:c72c3cc0 r5:00000000 [ 31.799836] r4:c735dc00 r3:c79ed540 [ 31.803438] [<c003974c>] (kthread) from [<c00097d0>] (ret_from_fork+0x14/0x24) [ 31.810672] r7:00000000 r6:00000000 r5:c003974c r4:c735dc00 [ 31.816378] Code: e5b53004 e1a07001 e1a06002 e243000c (e5934000) [ 31.822487] ---[ end trace a0ffbb07a810d503 ]--- Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* mac80211: rt2x00: remove patch causing low tx powerDaniel Golle2019-02-081-43/+0
| | | | | | | | | | | | | | | Remove 980-rt2x00-reduce-power-consumption-on-mt7620.patch which in combination with the most recently added patch reportedly causes TX power to be too weak. "without patches rssi on receiver is ~ -23dBm with 980 about -35dBm, with both patches drops below -40dBm. with 987 only ~-28dBm" We may need to reconsider this once we have implemented TSSI. Fixes: cdb58b2bfe ("mac80211: rt2x00: reduce tx power to nominal level on RT6352") Reported-by: Tomislav Požega <pozega.tomislav@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: rt2x00: reduce tx power to nominal level on RT6352Daniel Golle2019-02-081-0/+114
| | | | | | | | | | | | Current implementation of RT6352 support provides too high tx power at least on iPA/eLNA devices. Reduce amplification of variable gain amplifier by 6dB to match board target power of 17dBm. Transmited signal strength with this patch is similar to that of stock firmware or pandorabox firmware. Throughput measured with iperf improves. Device tested: Xiaomi Miwifi Mini. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* mac80211: fix an issue with allocated tailroom for encrypted mgmt packetsFelix Fietkau2019-01-291-0/+48
| | | | | | Fixes kernel warnings and connectivity issues in encrypted mesh networks Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mac80211: ath: add extra 'regulatory domains'Oever González2019-01-261-0/+35
| | | | | | | | | | | | This patch adds several country codes to the regd.h and regd_common.h files in order to support devices whose country codes are not present in the original list. Without this patch, all devices whose manufacturer programmed any of these code in their EEPROM will run without wireless interfaces. Signed-off-by: Oever González <notengobattery@gmail.com> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [matched signed-off]
* mac80211: ath10k: remove "ath10k: fix otp failure result" patchChristian Lamparter2019-01-241-11/+0
| | | | | | | | | | | | | | Initially this patch was introduced as a quick fix following the removal of 936-ath10k_skip_otp_check.patch which caused multiple ath10k pcie devices in various ipq806x and ar71xx/ath79 targets to malfunction. Thankfully, the affected devices have been updated to utilize the pre-caldata method. And finally with the switch to ath10k-ct, which never had the patch or any reports of similar issues, I think it's time to remove this patch since it is no longer needed. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>