net : phy: marvell: Speedup TDR data retrieval by only changing page once

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Getting the TDR data requires a large number of MDIO bus
transactions. The number can however be reduced if the page is only
changed once. Add the needed locking to allow this, and make use of
unlocked read/write methods where needed.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Andrew Lunn 2020-05-27 00:21:42 +02:00 • committed by David S. Miller

parent f2bc8ad31a

commit a618e86da9

1 changed files with 19 additions and 12 deletions

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31

drivers/net/phy/marvell.c

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