On Fri, Aug 25, 2017 at 05:04:15PM +0200, Stanislaw Gruszka wrote:
> 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>
Acked-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
> ---
> 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
