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authorGabor Juhos <juhosg@openwrt.org>2013-06-22 13:13:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-28 16:25:45 -0700
commit7508914004324812e0005baba33a655d98e40bee (patch)
tree4dc61f60483842d1a21ed75f107f828772ad4037
parent60a0c1a6129d06f1f6bc71acd50c8d289484c7ea (diff)
rt2x00: read 5GHz TX power values from the correct offset
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>
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c3
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c3
3 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 2ce6bf5b6715..72cb12178371 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -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];
}
}
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index bdaba3fddd9a..0cb0eecf94e8 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -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]);
}
}
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index fda8671474dc..ffdd32e74b0b 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -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]);
}
}