When the device goes to suspend mode with powersaving enabled,
lbs_remove_card tries to exit powersaving state even
when already woken up. That command is not processed properly in
that situation, so the system hangs at suspend,
so disable it.
Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
drivers/net/wireless/libertas/main.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 8079560..b35b8bc 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1060,7 +1060,12 @@ void lbs_remove_card(struct lbs_private *priv)
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
priv->psmode = LBS802_11POWERMODECAM;
- lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
+ /* no need to wakeup if already woken up,
+ * on suspend, this exit ps command is not processed
+ * the driver hangs
+ */
+ if (priv->psstate != PS_STATE_FULL_POWER)
+ lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
}
if (priv->is_deep_sleep) {
--
2.1.4
--
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