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

[Andy Whitcroft]

On Fri, May 16, 2014 at 12:52:21PM +0800, Adam Lee wrote:
> 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)

Cannot find this commit in linus' tree?  Where is it from?

> ---
>  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));
>  
>  	rtl8723be_bt_reg_init(hw);
> -	rtlpci->msi_support = true;
> +	rtlpci->msi_support = false;
>  	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
>  
>  	rtlpriv->dm.dm_initialgain_enable = 1;

Acked-by: Andy Whitcroft <apw at canonical.com>

Looks ok modulo resolving its provenance.

-apw