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net: mdiobus: add reset-post-delay-us handling
authorBruno Thomsen <bruno.thomsen@gmail.com>
Thu, 30 Jul 2020 19:57:48 +0000 (21:57 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 3 Aug 2020 22:01:02 +0000 (15:01 -0700)
commitbb3831294cd50750806f2ce8d73317dc8feeda09
treeb1954b61b77d4b8ed1a001a58609941317e9f712tree | snapshot
parent6259e0f5478d7a7e4ff3e38bc739b612b8907246commit | diff
net: mdiobus: add reset-post-delay-us handling

Load new "reset-post-delay-us" value from MDIO properties,
and if configured to a greater then zero delay do a
flexible sleeping delay after MDIO bus reset deassert.
This allows devices to exit reset state before start
bus communication.

Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.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>
drivers/net/phy/mdio_bus.c diff | blob | history
drivers/of/of_mdio.c diff | blob | history
include/linux/phy.h diff | blob | history