[PATCH 5.10 043/103] net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE

Greg Kroah-Hartman
2021-01-15T12:37:44Z

From: Aleksander Jan Bajkowski <olek2@wp.pl>

[ Upstream commit 3545454c7801e391b0d966f82c98614d45394770 ]

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

Fixes: 14fceff4771e ("net: dsa: Add Lantiq / Intel DSA driver for vrx200")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210107195818.3878-1-olek2@wp.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/dsa/lantiq_gswip.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1436,11 +1436,12 @@ static void gswip_phylink_validate(struc
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);
}