Richard Cochran 9289252bd1 dp83640: Reject requests to enable time stamping on both edges. ...

This driver enables rising edge or falling edge, but not both, and so
this patch validates that the request contains only one of the two
edges.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2019-11-15 12:48:32 -08:00

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