Re: alfa awus036nhr v2 and module rtl8xxxu

[Jes Sorensen <Jes.Sorensen@redhat.com>]

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Jes Sorensen <Jes.Sorensen@redhat.com> writes:
> Larry Finger <Larry.Finger@lwfinger.net> writes:
>> On 02/04/2016 10:45 AM, Jes Sorensen wrote:
>>> Drunk Cat <natserver2@gmail.com> writes:
>>>> problem: it does not connect to any wifi network you can see the time out on
>>>> dmesg
>>>>
>>>>
>>>>> lsusb
>>>>
>>>> Bus 002 Device 007: ID 0bda:817f Realtek Semiconductor Corp. RTL8188RU
>>>> 802.11n WLAN Adapter
>>>>
>>>>> iwconfig
>>>> wlp0s20u1  IEEE 802.11bgn  ESSID:off/any
>>>>            Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm
>>>>            Retry short limit:7   RTS thr=2347 B   Fragment thr:off
>>>>            Power Management:off
>>>>> dmesg
>>>
>>> Not sure what distribution you are running, but I am seeing problems
>>> with NetworkManager in recent Fedora.
>>>
>>> Could you try the following:
>>> 1) Unplug the WiFi dongle
>>> 2) (Re)load the driver (rmmod rtl8xxxu ; insmod rtl8xxxu)
>>> 3) Restart NetworkManager 'systemctl restart NetworkManager'
>>> 4) Plug in the WiFi dongle
>>
>> Jes,
>>
>> I can confirm what Drunk Cat sees. There is something different about
>> the RTL8192RU as using the iwconfig utility shows no APs in the
>> scan. I hope to get to debugging the problem soon.
>
> OK - thats unfortunate. Most likely the wrong antenna path is being
> enabled for it, or something like that.
>
> Once I finish up the 8723bu/8192eu patchset, I'll try to find some time
> to look at it, if you don't nail it before.

One more time with the actual patch ...

Jes


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diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index b0adc2d..e4b8d75 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -3810,7 +3810,7 @@ static int rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv *priv)
 		rtl8xxxu_write32(priv, REG_FPGA1_TX_INFO, val32);
 
 		val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
-		val32 &= 0xff000000;
+		val32 &= 0x00ffffff;
 		val32 |= 0x45000000;
 		rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);