• Alexander Shiyan's avatar
    mmc: mxcmmc: "Revert mmc: mxcmmc: handle highmem pages" · 2b77158f
    Alexander Shiyan authored
    This reverts commit b189e758.
    
    Unable to handle kernel paging request at virtual address c8358000
    pgd = efa405c3
    [c8358000] *pgd=00000000
    Internal error: Oops: 805 [#1] PREEMPT ARM
    CPU: 0 PID: 711 Comm: kworker/0:2 Not tainted 4.20.0+ #30
    Hardware name: Freescale i.MX27 (Device Tree Support)
    Workqueue: events mxcmci_datawork
    PC is at mxcmci_datawork+0xbc/0x2ac
    LR is at mxcmci_datawork+0xac/0x2ac
    pc : [<c04e33c8>]    lr : [<c04e33b8>]    psr: 60000013
    sp : c6c93f08  ip : 24004180  fp : 00000008
    r10: c8358000  r9 : c78b3e24  r8 : c6c92000
    r7 : 00000000  r6 : c7bb8680  r5 : c7bb86d4  r4 : c78b3de0
    r3 : 00002502  r2 : c090b2e0  r1 : 00000880  r0 : 00000000
    Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
    Control: 0005317f  Table: a68a8000  DAC: 00000055
    Process kworker/0:2 (pid: 711, stack limit = 0x389543bc)
    Stack: (0xc6c93f08 to 0xc6c94000)
    3f00:                   c7bb86d4 00000000 00000000 c6cbfde0 c7bb86d4 c7ee4200
    3f20: 00000000 c0907ea8 00000000 c7bb86d8 c0907ea8 c012077c c6cbfde0 c7bb86d4
    3f40: c6cbfde0 c6c92000 c6cbfdf4 c09280ba c0907ea8 c090b2e0 c0907ebc c0120c18
    3f60: c6cbfde0 00000000 00000000 c6cbb580 c7ba7c40 c7837edc c6cbb598 00000000
    3f80: c6cbfde0 c01208f8 00000000 c01254fc c7ba7c40 c0125400 00000000 00000000
    3fa0: 00000000 00000000 00000000 c01010d0 00000000 00000000 00000000 00000000
    3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
    [<c04e33c8>] (mxcmci_datawork) from [<c012077c>] (process_one_work+0x1f0/0x338)
    [<c012077c>] (process_one_work) from [<c0120c18>] (worker_thread+0x320/0x474)
    [<c0120c18>] (worker_thread) from [<c01254fc>] (kthread+0xfc/0x118)
    [<c01254fc>] (kthread) from [<c01010d0>] (ret_from_fork+0x14/0x24)
    Exception stack(0xc6c93fb0 to 0xc6c93ff8)
    3fa0:                                     00000000 00000000 00000000 00000000
    3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
    Code: e3500000 1a000059 e5153050 e5933038 (e48a3004)
    ---[ end trace 54ca629b75f0e737 ]---
    note: kworker/0:2[711] exited with preempt_count 1
    Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
    Fixes: b189e758 ("mmc: mxcmmc: handle highmem pages")
    Cc: stable@vger.kernel.org
    Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
    2b77158f
mxcmmc.c 29.5 KB