1 files changed, 17 insertions, 3 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 3078417b326b..cd5af656932d 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -633,6 +633,16 @@ static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
         rt2x00dev->link.vgc_level = value;
 }
 
+/*
+ * NOTE: This function is directly ported from legacy driver, but
+ * despite it being declared it was never called. Although link tuning
+ * sounds like a good idea, and usually works well for the other drivers,
+ * it does _not_ work with rt2500usb. Enabling this function will result
+ * in TX capabilities only until association kicks in. Immediately
+ * after the successful association all TX frames will be kept in the
+ * hardware queue and never transmitted.
+ */
+#if 0
 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 {
         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
@@ -752,6 +762,9 @@ dynamic_cca_tune:
                 rt2x00dev->link.vgc_level = r17;
         }
 }
+#else
+#define rt2500usb_link_tuner    NULL
+#endif
 
 /*
  * Initialization functions.
@@ -1376,6 +1389,9 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
+        } else {
+                rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
+                rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
         }
 
         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
@@ -1384,9 +1400,6 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
-        } else {
-                rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
-                rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
         }
 
         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
@@ -1737,6 +1750,7 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
+        __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
 
         /*
          * Set the rssi offset.