4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Hennerich <michael.henner...@analog.com>

[ Upstream commit 36d26d6b6208399070a9d7993534fef9fc26b1ba ]

Only enable RX mode if the netdev is opened.

Signed-off-by: Michael Hennerich <michael.henner...@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardel...@analog.com>
Signed-off-by: Stefan Schmidt <ste...@datenfreihafen.org>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/net/ieee802154/adf7242.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -719,7 +719,10 @@ static int adf7242_channel(struct ieee80
        adf7242_write_reg(lp, REG_CH_FREQ1, freq >> 8);
        adf7242_write_reg(lp, REG_CH_FREQ2, freq >> 16);
 
-       return adf7242_cmd(lp, CMD_RC_RX);
+       if (test_bit(FLAG_START, &lp->flags))
+               return adf7242_cmd_rx(lp);
+       else
+               return adf7242_cmd(lp, CMD_RC_PHY_RDY);
 }
 
 static int adf7242_set_hw_addr_filt(struct ieee802154_hw *hw,


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