From 192bbe9d57ed9dd1285796c5f0236bda91842c38 Mon Sep 17 00:00:00 2001 From: Maxime Chevallier Date: Fri, 19 Jul 2019 16:38:48 +0200 Subject: [PATCH] net: mvpp2: Don't check for 3 consecutive Idle frames for 10G links [ Upstream commit bba18318e7d1d5c8b0bbafd65010a0cee3c65608 ] PPv2's XLGMAC can wait for 3 idle frames before triggering a link up event. This can cause the link to be stuck low when there's traffic on the interface, so disable this feature. Fixes: 4bb043262878 ("net: mvpp2: phylink support") Signed-off-by: Maxime Chevallier Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 6455511..9b608d23 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4412,9 +4412,9 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, unsigned int mode, if (state->pause & MLO_PAUSE_RX) ctrl0 |= MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN; - ctrl4 &= ~MVPP22_XLG_CTRL4_MACMODSELECT_GMAC; - ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC | - MVPP22_XLG_CTRL4_EN_IDLE_CHECK; + ctrl4 &= ~(MVPP22_XLG_CTRL4_MACMODSELECT_GMAC | + MVPP22_XLG_CTRL4_EN_IDLE_CHECK); + ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC; writel(ctrl0, port->base + MVPP22_XLG_CTRL0_REG); writel(ctrl4, port->base + MVPP22_XLG_CTRL4_REG); -- 2.7.4