git bisect start
# bad: [32c1431eea4881a6b17bd7c639315010aeefa452] Linux 4.12-rc5
git bisect bad 32c1431eea4881a6b17bd7c639315010aeefa452
# good: [5a7ad1146caa895ad718a534399e38bd2ba721b7] Linux 4.11-rc8
git bisect good 5a7ad1146caa895ad718a534399e38bd2ba721b7
# bad: [1684096b1ed813f621fb6cbd06e72235c1c2a0ca] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
git bisect bad 1684096b1ed813f621fb6cbd06e72235c1c2a0ca
# bad: [8d65b08debc7e62b2c6032d7fe7389d895b92cbc] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
git bisect bad 8d65b08debc7e62b2c6032d7fe7389d895b92cbc
# bad: [2d2ab658d2debcb4c0e29c9e6f18e5683f3077bf] rhashtable: Do not lower max_elems when max_size is zero
git bisect bad 2d2ab658d2debcb4c0e29c9e6f18e5683f3077bf
# good: [417d978fa532b61b89f0c3ccbd9cdb51090ea032] Merge branch 'dsa-receive-path-simplifications'
git bisect good 417d978fa532b61b89f0c3ccbd9cdb51090ea032
# bad: [ea8ffc0818d8a47ffda423f61f1d8ad1caca8986] bonding: fix wq initialization for links created via netlink
git bisect bad ea8ffc0818d8a47ffda423f61f1d8ad1caca8986
# bad: [d584fec634a4426ad476657383d3a9049565f884] Merge branch 'bpf-lru-perf'
git bisect bad d584fec634a4426ad476657383d3a9049565f884
# bad: [f3297f686db084465347c83edfcd1527994e7a9f] net: alx: switch to pci_alloc_irq_vectors
git bisect bad f3297f686db084465347c83edfcd1527994e7a9f
# bad: [09e40034f342de0085776e08eb6ed0dc3e030860] Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
git bisect bad 09e40034f342de0085776e08eb6ed0dc3e030860
# good: [20ec4f57498f8770c7a1a3e2a316fa752a424178] brcmfmac: move brcmf_txflowblock to bcdc layer
git bisect good 20ec4f57498f8770c7a1a3e2a316fa752a424178
# good: [ca07baab0b1e627ae1d4a55d190fb1c9d32a3445] ath10k: disallow DFS simulation if DFS channel is not enabled
git bisect good ca07baab0b1e627ae1d4a55d190fb1c9d32a3445
# good: [b51040fc375c194e20164be489668d4d28001f53] ath6kl: Remove old 802.11a-only channels
git bisect good b51040fc375c194e20164be489668d4d28001f53
# good: [66ded1f8b33cdd9d6d3e20f5f8dd23615a110e70] brcmfmac: wrap brcmf_fws_reset_interface into bcdc layer
git bisect good 66ded1f8b33cdd9d6d3e20f5f8dd23615a110e70
# good: [5ce33b603063f36272fcfb1b4a5fde69f46eca88] rt2x00: fix TX_PWR_CFG_4 register definition
git bisect good 5ce33b603063f36272fcfb1b4a5fde69f46eca88
# bad: [41977e86c984fcdddb454a3d7887de5d47b5f530] rt2x00: add support for MT7620
git bisect bad 41977e86c984fcdddb454a3d7887de5d47b5f530
# good: [ca260ece6a57dc7d751e0685f51fa2c55d851873] zd1211rw: fix NULL-deref at probe
git bisect good ca260ece6a57dc7d751e0685f51fa2c55d851873
# first bad commit: [41977e86c984fcdddb454a3d7887de5d47b5f530] rt2x00: add support for MT7620


41977e86c984fcdddb454a3d7887de5d47b5f530 is the first bad commit
commit 41977e86c984fcdddb454a3d7887de5d47b5f530
Author: Roman Yeryomin <roman@advem.lv>
Date:   Tue Mar 21 00:43:00 2017 +0100

    rt2x00: add support for MT7620
    
    Basic support for MT7620 built-in wireless radio was added to
    OpenWrt in r41441. It has seen some heavy cleaning and refactoring
    since in order to match the Kernel's code quality standards.
    
    Signed-off-by: Roman Yeryomin <roman@advem.lv>
    Signed-off-by: Daniel Golle <daniel@makrotopia.org>
    Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
    Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

:040000 040000 2e4637fcd7595ed46b203589708fda4424d64465 844bf62a2bdbef635e01e89dfcf02a7d3cc21b15 M	drivers