• Neil Armstrong's avatar
    ASoC: meson: axg-card: Fix nonatomic links · 0c9b152c
    Neil Armstrong authored
    This commit e138233e causes the
    following system crash when using audio on G12A/G12B & SM1 systems:
    
     BUG: sleeping function called from invalid context at kernel/locking/mutex.c:282
      in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 0, name: swapper/0
     preempt_count: 10001, expected: 0
     RCU nest depth: 0, expected: 0
     Preemption disabled at:
     schedule_preempt_disabled+0x20/0x2c
    
     mutex_lock+0x24/0x60
     _snd_pcm_stream_lock_irqsave+0x20/0x3c
     snd_pcm_period_elapsed+0x24/0xa4
     axg_fifo_pcm_irq_block+0x64/0xdc
     __handle_irq_event_percpu+0x104/0x264
     handle_irq_event+0x48/0xb4
     ...
     start_kernel+0x3f0/0x484
     __primary_switched+0xc0/0xc8
    
    Revert this commit until the crash is fixed.
    
    Fixes: e138233e
    
     ("ASoC: meson: axg-card: make links nonatomic")
    Reported-by: default avatarDmitry Shmidt <dimitrysh@google.com>
    Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
    Acked-by: default avatarJerome Brunet <jbrunet@baylibre.com>
    Link: https://lore.k...
    0c9b152c
axg-card.c 9.56 KB