mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 23:14:31 +08:00
dp83640: Verify calibration pin assignment
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:
parent
ad01577aeb
commit
6f39eb87de
@ -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;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user