net: mdio-gpio: support access that may sleep
Some systems using mdio-gpio may use gpio on message based busses, which require sleeping (e.g. gpio from an I2C I/O expander). Since this driver does not use IRQ handler, it is safe to use the _cansleep suffixed gpio accessors. Signed-off-by:Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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