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    clocksource/drivers/sh_tmu: Fix traceback spotted in -next · 452b1324
    Viresh Kumar 提交于
    Traceback in -next due to commit 'clockevents/drivers/sh_tmu: Migrate to new
    'set-state' interface'.
    
    Commit ("clockevents/drivers/sh_tmu: Migrate to new 'set-state' interface")
    in -next causes the following traceback. This is seen with qemu runs for the sh
    target.
    
    ------------[ cut here ]------------
    WARNING: at drivers/clocksource/sh_tmu.c:202
    Modules linked in:
    
    CPU: 0 PID: 0 Comm: swapper Not tainted 4.2.0-rc3-next-20150720 #1
    task: 8c411ed8 ti: 8c40e000 task.ti: 8c40e000
    PC is at sh_tmu_disable+0x40/0x60
    PR is at sh_tmu_clock_event_shutdown+0x8/0x20
    PC  : 8c271220 SP  : 8c40ff10 SR  : 400081f1 TEA : 00000000
    R0  : 8c271240 R1  : 8fc08cfc R2  : 00000000 R3  : 3fffffff
    R4  : 8fc08c00 R5  : 00000001 R6  : 00000002 R7  : ffffffff
    R8  : 00000001 R9  : 8fc08c20 R10 : 00000000 R11 : 00000000
    R12 : 8c012820 R13 : 00000000 R14 : 00000000
    MACH: 3b9ac9ff MACL: 80000000 GBR : 00000000 PR  : 8c271248
    
    Call trace:
     [<8c065836>] clockevents_switch_state+0x16/0x60
     [<8c06588c>] clockevents_shutdown+0xc/0x40
     [<8c066330>] tick_check_new_device+0x90/0xc0
     [<8c065556>] clockevents_register_device+0x56/0x120
     [<8c0662a0>] tick_check_new_device+0x0/0xc0
     [<8c27167a>] sh_tmu_probe+0x29a/0x4e0
     [<8c18a994>] kasprintf+0x14/0x20
     [<8c442782>] early_platform_driver_probe+0x20e/0x2bc
     [<8c1fade0>] platform_match+0x0/0x100
     [<8c33babc>] printk+0x0/0x24
     [<8c434892>] start_kernel+0x32e/0x574
     [<8c33babc>] printk+0x0/0x24
     [<8c17d320>] strlen+0x0/0x58
     [<8c43430c>] unknown_bootoption+0x0/0x1e0
     [<8c011024>] _stext+0x24/0x30
    
    ---[ end trace cb88537fdc8fa200 ]---
    Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
    Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
    Tested-by: NGeert Uytterhoeven <geert+renesas@glider.be>
    452b1324
sh_tmu.c 15.2 KB