Messages in this thread | | | Date | Sat, 15 Feb 2020 17:12:04 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH net-next 3/3] net: phy: broadcom: Wire suspend/resume for BCM54810 |
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On Fri, Feb 14, 2020 at 03:38:53PM -0800, Florian Fainelli wrote: > The BCM54810 PHY can use the standard BMCR Power down suspend, but needs > a custom resume routine which first clear the Power down bit, and then > re-initializes the PHY. While in low-power mode, the PHY only accepts > writes to the BMCR register. The datasheet clearly says it: > > Reads or writes to any MII register other than MII Control register > (address 00h) while the device is in the standby power-down mode may > cause unpredictable results. > > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
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