netdev - [PATCH 6/7] net: wireless: wcn36xx: remove powersaving for wcn3620

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Message-ID: <20150118051111.31866.39208.stgit@114-36-241-182.dynamic.hinet.net>
Date:	Sun, 18 Jan 2015 13:11:11 +0800
From:	Andy Green <andy.green@...aro.org>
To:	Kalle Valo <kvalo@...eaurora.org>,
	Eugene Krasnikov <k.eugene.e@...il.com>
Cc:	wcn36xx@...ts.infradead.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH 6/7] net: wireless: wcn36xx: remove powersaving for wcn3620

WCN3620 powersaving mode is not stable.  Disable it if we're
on a wcn3620 chip type.

Signed-off-by: Andy Green <andy.green@...aro.org>
---
 drivers/net/wireless/ath/wcn36xx/main.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index c4178c7..569d45b 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -924,6 +924,10 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
 		IEEE80211_HW_AMPDU_AGGREGATION |
 		IEEE80211_HW_TIMING_BEACON_ONLY;
 
+	/* 3620 powersaving currently unstable */
+	if (wcn->chip_version == WCN36XX_CHIP_3620)
+		wcn->hw->flags &= ~IEEE80211_HW_SUPPORTS_PS;
+
 	wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_AP) |
 		BIT(NL80211_IFTYPE_ADHOC) |

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