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    • Jisheng Zhang's avatar
      i3c: master: dw: fix deadlock · f36c1f9a
      Jisheng Zhang authored
      
      
      In dw_i3c_master_irq_handler(), we already have gotten
      &master->xferqueue.lock, if we try to get the same lock again in
      dw_i3c_master_dequeue_xfer(), deadlock happens.
      
      We fix this issue by introduing dw_i3c_master_dequeue_xfer_locked()
      which does all what dw_i3c_master_dequeue_xfer() does without trying
      to lock &master->xferqueue.lock.
      Signed-off-by: default avatarJisheng Zhang <Jisheng.Zhang@synaptics.com>
      Acked-by: Vitor Soares <vitor.soares@synopsys.com>
      Signed-off-by: default avatarBoris Brezillon <bbrezillon@kernel.org>
      f36c1f9a
  8. 15 Jan, 2019 1 commit
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