netdev - [PATCH] net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE

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Message-Id: <20210107195818.3878-1-olek2@wp.pl>
Date:   Thu,  7 Jan 2021 20:58:18 +0100
From:   Aleksander Jan Bajkowski <olek2@...pl>
To:     hauke@...ke-m.de, martin.blumenstingl@...glemail.com,
        andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, davem@...emloft.net, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Aleksander Jan Bajkowski <olek2@...pl>
Subject: [PATCH] net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE

Exclude RMII from modes that report 1 GbE support. Reduced MII supports
up to 100 MbE.

Fixes: 14fceff ("net: dsa: Add Lantiq / Intel DSA driver for vrx200")
Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>
---
 drivers/net/dsa/lantiq_gswip.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 4b36d89bec06..662e68a0e7e6 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1436,11 +1436,12 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port,
 	phylink_set(mask, Pause);
 	phylink_set(mask, Asym_Pause);
 
-	/* With the exclusion of MII and Reverse MII, we support Gigabit,
-	 * including Half duplex
+	/* With the exclusion of MII, Reverse MII and Reduced MII, we
+	 * support Gigabit, including Half duplex
 	 */
 	if (state->interface != PHY_INTERFACE_MODE_MII &&
-	    state->interface != PHY_INTERFACE_MODE_REVMII) {
+	    state->interface != PHY_INTERFACE_MODE_REVMII &&
+	    state->interface != PHY_INTERFACE_MODE_RMII) {
 		phylink_set(mask, 1000baseT_Full);
 		phylink_set(mask, 1000baseT_Half);
 	}
-- 
2.20.1