Patches for the Ralink RT3090 linux driver

The ralink drivers from their website don’t compile against current Ubuntu kernels. I’ve prepared some patches for a friend (I don’t actually have this hardware myself, so I haven’t really tested this!). You can find them below; they can be re-distributed freely.

Please be aware that I know nothing about wireless hardware, so anything may go wrong when you use this code. I cannot give any guarantees.

Here’s a patch if you want to compile their driver against the Natty kernel 2.6.38:

=== modified file 'os/linux/cfg80211.c'
--- os/linux/cfg80211.c    2011-09-23 23:00:46 +0000
+++ os/linux/cfg80211.c    2011-09-23 23:01:08 +0000
@@ -675,7 +675,7 @@
 static int CFG80211_TxPwrSet(
     IN struct wiphy                        *pWiphy,
-    IN enum tx_power_setting            Type,
+    IN enum nl80211_tx_power_setting            Type,
     IN int                                dBm)
     return -EOPNOTSUPP;

Here’s an addititional patch if you want to compile it against the Oneiric kernel 3.0.0 (note that you need BOTH of the patches for oneiric):

=== modified file 'os/linux/cfg80211.c'
--- os/linux/cfg80211.c    2011-09-23 23:01:08 +0000
+++ os/linux/cfg80211.c    2011-09-23 23:10:47 +0000
@@ -2059,7 +2059,7 @@
         pChan->band = IEEE80211_BAND_2GHZ;
     /* End of if */

-    pChan->center_freq = ieee80211_channel_to_frequency(ChanId);
+    pChan->center_freq = ieee80211_channel_to_frequency(ChanId, pChan->band);

     if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
@@ -2620,7 +2620,8 @@
     for(IdLoop=0; IdLoop<NumOfChan; IdLoop++)
         pChannels[IdLoop].center_freq = \
-                    ieee80211_channel_to_frequency(Cfg80211_Chan[IdLoop]);
+                    ieee80211_channel_to_frequency(Cfg80211_Chan[IdLoop],
+                               (IdLoop<CFG80211_NUM_OF_CHAN_2GHZ)?IEEE80211_BAND_2GHZ:IEEE80211_BAND_5GHZ);
         pChannels[IdLoop].hw_value = IdLoop;

         if (IdLoop < CFG80211_NUM_OF_CHAN_2GHZ)

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