[Trusty][PATCH] rtlwifi: rtl8723be: disable MSI interrupts mode

Adam Lee adam.lee at canonical.com
Fri May 16 04:52:21 UTC 2014

BugLink: http://bugs.launchpad.net/bugs/1320070

94010fa0dd07e8b904e7c6b6589f15573008ab15 ("rtlwifi: add MSI interrupts
mode support") introduced MSI interrupts mode support, which seemed
safe enough with RTL8188EE and RTL8723BE as RealTek's testing results,
but some users reported their RTL8188EE modules could not connect to
any wireless network after the MSI mode was enabled by Ubuntu 14.04.

So, let's fallback to pin-based mode until rtlwifi's MSI support get
good compatibility.

BugLink: https://bugs.launchpad.net/bugs/1310512
Signed-off-by: Adam Lee <adam.lee at canonical.com>
Signed-off-by: John W. Linville <linville at tuxdriver.com>
(cherry picked from commit 329d6e299f92a591acb3a80f6d597a5f9dce7e6d)
 drivers/net/wireless/rtlwifi/rtl8723be/sw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
index 7834ae5..8416362 100644
--- a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c
@@ -92,7 +92,7 @@ int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-	rtlpci->msi_support = true;
+	rtlpci->msi_support = false;
 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
 	rtlpriv->dm.dm_initialgain_enable = 1;

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