rt2x00: read 5GHz TX power values from the correct offset
authorGabor Juhos <juhosg@openwrt.org>
Sat, 22 Jun 2013 11:13:25 +0000 (13:13 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 28 Jul 2013 23:25:45 +0000 (16:25 -0700)
commit 0a6f3a8ebaf13407523c2c7d575b4ca2debd23ba upstream.

The current code uses the same index value both
for the channel information array and for the TX
power table. The index starts from 14, however the
index of the TX power table must start from zero.

Fix it, in order to get the correct TX power value
for a given channel.

The changes in rt61pci.c and rt73usb.c are compile
tested only.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/rt2x00/rt2800lib.c
drivers/net/wireless/rt2x00/rt61pci.c
drivers/net/wireless/rt2x00/rt73usb.c

index 2ce6bf5..72cb121 100644 (file)
@@ -4627,8 +4627,8 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
 
                for (i = 14; i < spec->num_channels; i++) {
-                       info[i].default_power1 = default_power1[i];
-                       info[i].default_power2 = default_power2[i];
+                       info[i].default_power1 = default_power1[i - 14];
+                       info[i].default_power2 = default_power2[i - 14];
                }
        }
 
index bdaba3f..0cb0eec 100644 (file)
@@ -2822,7 +2822,8 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
                for (i = 14; i < spec->num_channels; i++) {
                        info[i].max_power = MAX_TXPOWER;
-                       info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+                       info[i].default_power1 =
+                                       TXPOWER_FROM_DEV(tx_power[i - 14]);
                }
        }
 
index fda8671..ffdd32e 100644 (file)
@@ -2167,7 +2167,8 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
                for (i = 14; i < spec->num_channels; i++) {
                        info[i].max_power = MAX_TXPOWER;
-                       info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+                       info[i].default_power1 =
+                                       TXPOWER_FROM_DEV(tx_power[i - 14]);
                }
        }