drivers: net: davinci_mdio: prevent spurious timeout

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A well timed kernel preemption in the time_after() loop
in wait_for_idle() can result in a spurious timeout
error to be returned.

Fix it by using readl_poll_timeout() which takes care of
this issue.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Sekhar Nori 2018-05-09 21:15:15 +05:30 • committed by David S. Miller

parent bfe1e616b3

commit 54472edff0

1 changed files with 8 additions and 7 deletions

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drivers/net/ethernet/ti/davinci_mdio.c

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