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net: mdiobus: use flexible sleeping for reset-delay-us 

MDIO bus reset pulse width is created by using udelay()
and that function might not be optimal depending on
device tree value. By switching to the new fsleep() helper
the correct delay function is called depending on
delay length, e.g. udelay(), usleep_range() or msleep().

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>
This commit is contained in:
Bruno Thomsen 2020-07-30 21:57:47 +02:00 committed by David S. Miller
parent c44a1b9175
commit 6259e0f547
1 changed files with 1 additions and 1 deletions
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2
drivers/net/phy/mdio_bus.c
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@ -554,7 +554,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
bus->reset_gpiod = gpiod; bus->reset_gpiod = gpiod;
gpiod_set_value_cansleep(gpiod, 1); gpiod_set_value_cansleep(gpiod, 1);
udelay(bus->reset_delay_us); fsleep(bus->reset_delay_us);
gpiod_set_value_cansleep(gpiod, 0); gpiod_set_value_cansleep(gpiod, 0);
} }