Thread (5 messages) flat view 5 messages, 4 authors, 2021-03-19

Re: [PATCH net] net: dsa: mt7530: setup core clock even in TRGMII mode

From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2021-03-11 03:22:08
Also in: linux-mediatek, lkml, netdev


On 3/10/2021 5:21 PM, Ilya Lipnitskiy wrote:
A recent change to MIPS ralink reset logic made it so mt7530 actually
resets the switch on platforms such as mt7621 (where bit 2 is the reset
line for the switch). That exposed an issue where the switch would not
function properly in TRGMII mode after a reset.

Reconfigure core clock in TRGMII mode to fix the issue.

Tested on Ubiquiti ER-X (MT7621) with TRGMII mode enabled.

Fixes: 3f9ef7785a9c ("MIPS: ralink: manage low reset lines")
Signed-off-by: Ilya Lipnitskiy <redacted>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

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