iwlwifi: mvm: flush all used TX queues before suspending

Browse source

There is a potential race condition when entering suspend with d0i3 in
PCIe.  If there is a frame queued just before we suspend, it won't
complete and we will never clear the queue stuck timer.  To solve
this, call TX_PATH_FLUSH to flush all queues (except the command
queue) as part of the d0i3 entry process.  Add a new function that
returns all the flushable queues.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

...

This commit is contained in:

Luca Coelho 2015-10-02 18:13:10 +03:00 • committed by Emmanuel Grumbach

parent 1a616dd2f1

commit eb3908d371

2 changed files with 14 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

9

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

View file

5

drivers/net/wireless/intel/iwlwifi/mvm/ops.c

View file