Messages in this thread | | | Date | Sat, 23 Feb 2019 16:40:51 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH net-next v2 5/7] net: phy: marvell10g: Force reading of 2.5/5G |
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On Sat, Feb 23, 2019 at 12:37:42AM +0100, Maxime Chevallier wrote: > As per 802.3bz, if bit 14 of (1.11) "PMA Extended Abilities" indicates > whether or not we should read register (1.21) "2.52/5G PMA Extended > Abilities", which contains information on the support of 2.5GBASET and > 5GBASET. > > After testing on several variants of PHYS of this family, it appears > that bit 14 in (1.11) isn't always set when it should be. > > PHYs 88X3310 (on MacchiatoBin) and 88E2010 do support 2.5G and 5GBASET, > but don't have 1.11.14 set. Their register 1.21 is filled with the > correct values, indicating 2.5G and 5G support. > > PHYs 88E2110 do have their 1.11.14 bit set, as it should. > > Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
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