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    Subject[PATCH 5.8 52/56] net: macb: fix for pause frame receive enable bit
    Date
    From: Parshuram Thombare <pthombar@cadence.com>

    [ Upstream commit d7739b0b6d15ef9ad5c79424736b8ded5ed3e913 ]

    PAE bit of NCFGR register, when set, pauses transmission
    if a non-zero 802.3 classic pause frame is received.

    Fixes: 7897b071ac3b ("net: macb: convert to phylink")
    Signed-off-by: Parshuram Thombare <pthombar@cadence.com>
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/cadence/macb_main.c | 3 +--
    1 file changed, 1 insertion(+), 2 deletions(-)

    --- a/drivers/net/ethernet/cadence/macb_main.c
    +++ b/drivers/net/ethernet/cadence/macb_main.c
    @@ -647,8 +647,7 @@ static void macb_mac_link_up(struct phyl
    ctrl |= GEM_BIT(GBE);
    }

    - /* We do not support MLO_PAUSE_RX yet */
    - if (tx_pause)
    + if (rx_pause)
    ctrl |= MACB_BIT(PAE);

    macb_set_tx_clk(bp->tx_clk, speed, ndev);

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