net: phy: restore mdio regs in the iproc mdio driver

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commit 6f08e98d62 upstream.

The mii management register in iproc mdio block
does not have a retention register so it is lost on suspend.
Save and restore value of register while resuming from suspend.

Fixes: bb1a619735 ("net: phy: Initialize mdio clock at probe function")
Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Arun Parameswaran 2020-02-14 13:47:46 -08:00 • committed by Greg Kroah-Hartman

parent cf7a483b43

commit 1f9634875c

1 changed files with 20 additions and 0 deletions

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drivers/net/phy/mdio-bcm-iproc.c

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