diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2021-05-26 22:33:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-27 16:17:19 +0300 |
| commit | bbf0a94744edfeee298e4a9ab6fd694d639a5cdf (patch) | |
| tree | becd607ae108b529d7d604ecd9cab5505067742c /drivers | |
| parent | 022b93cf2d6af2acfc13fbe399d9babf76d6eb48 (diff) | |
| download | linux-bbf0a94744edfeee298e4a9ab6fd694d639a5cdf.tar.xz | |
mei: request autosuspend after sending rx flow control
A rx flow control waiting in the control queue may block autosuspend.
Re-request autosuspend after flow control been sent to unblock
the transition to the low power state.
Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210526193334.445759-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/mei/interrupt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index a98f6b895af7..aab3ebfa9fc4 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -277,6 +277,9 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb, return ret; } + pm_runtime_mark_last_busy(dev->dev); + pm_request_autosuspend(dev->dev); + list_move_tail(&cb->list, &cl->rd_pending); return 0; |