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libertas: do not confirm sleep if commands are pending 

If the main thread gets one PS AWAKE event and one PS SLEEP event
in one iteration over event_fifo there will never be checks for
commands to be processed, since psstate will always be
PS_STATE_SLEEP or PS_STATE_PRE_SLEEP

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Andreas Kemnade 2016-01-30 18:01:53 +01:00 committed by Kalle Valo
parent fae4f9f78a
commit 57954b94ca
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/marvell/libertas/cmdresp.c
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@ -257,6 +257,10 @@ int lbs_process_event(struct lbs_private *priv, u32 event)
"EVENT: in FULL POWER mode, ignoring PS_SLEEP\n");
break;
}
if (!list_empty(&priv->cmdpendingq)) {
lbs_deb_cmd("EVENT: commands in queue, do not sleep\n");
break;
}
priv->psstate = PS_STATE_PRE_SLEEP;
lbs_ps_confirm_sleep(priv);