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net: dsa: mt7530: fix 10M/100M speed on MT7988 switch

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[ Upstream commit dfa988b4c7 ]

Setup PMCR port register for actual speed and duplex on internally
connected PHYs of the MT7988 built-in switch. This fixes links with
speeds other than 1000M.

Fixes: 110c18bfed ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/a5b04dfa8256d8302f402545a51ac4c626fdba25.1706071272.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniel Golle 2024-01-24 05:17:25 +00:00 committed by Greg Kroah-Hartman
parent 350a6640fa
commit f9ae3a437b
1 changed files with 1 additions and 2 deletions
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3
drivers/net/dsa/mt7530.c
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@ -2848,8 +2848,7 @@ static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port,
/* MT753x MAC works in 1G full duplex mode for all up-clocked
* variants.
*/
if (interface == PHY_INTERFACE_MODE_INTERNAL ||
interface == PHY_INTERFACE_MODE_TRGMII ||
if (interface == PHY_INTERFACE_MODE_TRGMII ||
(phy_interface_mode_is_8023z(interface))) {
speed = SPEED_1000;
duplex = DUPLEX_FULL;