Re: [PATCH net-next v15 01/13] dpll: omit pin phase attributes the driver has no value for

[Ivan Vecera <ivecera@redhat.com>]

On 11/10/26 21:26, Ali Rouhi wrote:
> From: Oleg Zadorozhnyi<Oleg.Zadorozhnyi@devoxsoftware.com>
> 
> Let phase_offset_get and phase_adjust_get return -ENODATA for a pin the
> driver has no value for, and leave DPLL_A_PIN_PHASE_OFFSET and
> DPLL_A_PIN_PHASE_ADJUST out of the message in that case, as
> dpll_msg_add_ffo() already does for the fractional frequency offset.
> Today any error from either callback fails the whole pin dump.
> 
> A driver that measures the phase offset only on the input its PLL
> tracks, or whose part holds a delay larger than the s32 the adjust
> attribute carries, has no value to report for the pin, and a zero
> cannot be told from a measurement.  A phase adjust request on such a
> pin is passed to the driver without the comparison against the old
> value, so the delay can still be set or cleared.
> 
> Signed-off-by: Oleg Zadorozhnyi<Oleg.Zadorozhnyi@devoxsoftware.com>
> Signed-off-by: Ali Rouhi<arouhi@sitime.com>
> ---
>   drivers/dpll/dpll_netlink.c | 14 ++++++++++----
>   1 file changed, 10 insertions(+), 4 deletions(-)

Reviewed-by: Ivan Vecera <ivecera@redhat.com>