Since commit 41977e86c984 ("rt2x00: add support for MT7620") we do not
initialize TX_PIN_CFG setting. This cause breakage at least on some
RT3573 devices. To fix the problem patch restores previous behaviour
for non MT7620 chips.
Fixes: 41977e86c984 ("rt2x00: add support for MT7620")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1480829
Reported-and-tested-by: Jussi Eloranta <jussi.eloranta@xxxxxxxx>
Cc: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
---
v1 -> v2: patch for updated linux version
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 0b75def39c6c..d2c289446c00 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3702,7 +3702,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
if (rt2x00_rt(rt2x00dev, RT3572))
rt2800_rfcsr_write(rt2x00dev, 8, 0);
- tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
+ if (rt2x00_rt(rt2x00dev, RT6352))
+ tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
+ else
+ tx_pin = 0;
switch (rt2x00dev->default_ant.tx_chain_num) {
case 3:
--
2.7.5
