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dp83640: Verify calibration pin assignment

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This constraints the pin assignment to not allow the calibration function to
be reassigned and only allow reassigning the calibratin pin if only one phy is
connected.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Sørensen 2014-06-27 12:05:31 +02:00 committed by David S. Miller
parent ad01577aeb
commit 6f39eb87de
1 changed files with 10 additions and 0 deletions
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10
drivers/net/phy/dp83640.c
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@ -510,6 +510,16 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp,
static int ptp_dp83640_verify(struct ptp_clock_info *ptp, unsigned int pin,
enum ptp_pin_function func, unsigned int chan)
{
struct dp83640_clock *clock =
container_of(ptp, struct dp83640_clock, caps);
if (clock->caps.pin_config[pin].func == PTP_PF_PHYSYNC &&
!list_empty(&clock->phylist))
return 1;
if (func == PTP_PF_PHYSYNC)
return 1;
return 0;
}