Re: [PATCH 2/2] serial: imx: fix endless loop during suspend

[Fabio Estevam]

Hi Martin,

On Tue, Jan 2, 2018 at 2:15 PM, Martin Kaiser <martin@xxxxxxxxx> wrote:

> Fabio, could you post the output of
>
> cat /sys/kernel/debug/suspend_stats
>
> after supend failed, to confirm that we're failing below
> device_suspend_noirq()?

Here it goes:

# cat /sys/kernel/debug/suspend_stats
success: 0
fail: 1
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_late: 0
failed_suspend_noirq: 1
failed_resume: 0
failed_resume_early: 0
failed_resume_noirq: 0
failures:
  last_failed_dev:

  last_failed_errno:    -16
                        0
  last_failed_step:     suspend_noirq