rt2800: fix TX_PIN_CFG setting for non MT7620 chips

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@csun.edu>
Cc: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 0b75def39c6c4179ae157316f5d2b371775ae48b..d2c289446c003a3c9c570dc0916a7fae4ba381bf 100644 (file)
--- 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: