diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2022-02-15 10:04:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-25 12:14:01 +0100 |
| commit | 04af137c6a88b7f8f78e78abf353ec97ce28c5b5 (patch) | |
| tree | b80be4d40ee9651b506d4e0fbf2679c756f8f503 /drivers/misc/mei | |
| parent | 685867f40c4ee8cc7f7d27561ce13b43f864cb84 (diff) | |
| download | linux-04af137c6a88b7f8f78e78abf353ec97ce28c5b5.tar.bz2 | |
mei: me: fix reset policy on read error in interrupt
Avoid link reset in DISABLED and POWERING_DOWN state
if read error is occurred - let shutdown flow finish.
In any state exit interrupt handler if read error occurred.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20220215080438.264876-3-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 3a86c087bc9d..719fee9af156 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1293,12 +1293,14 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) if (rets == -ENODATA) break; - if (rets && - (dev->dev_state != MEI_DEV_RESETTING && - dev->dev_state != MEI_DEV_POWER_DOWN)) { - dev_err(dev->dev, "mei_irq_read_handler ret = %d.\n", - rets); - schedule_work(&dev->reset_work); + if (rets) { + dev_err(dev->dev, "mei_irq_read_handler ret = %d, state = %d.\n", + rets, dev->dev_state); + if (dev->dev_state != MEI_DEV_RESETTING && + dev->dev_state != MEI_DEV_DISABLED && + dev->dev_state != MEI_DEV_POWERING_DOWN && + dev->dev_state != MEI_DEV_POWER_DOWN) + schedule_work(&dev->reset_work); goto end; } } |