# Re: \[PATCH net-next v2 09/14\] dpll: dpllsim: Add support to set frequency on pins

- From: Ivan Vecera \<ivecera@redhat.com\>
- Date: 2026-11-06 10:50:36 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/11/17877445
- Thread: https://ratatoskr.run/netdev/2026/11/17871508/t.md

```text
On 11/5/26 16:18, Petr Oros wrote:
> Add support to set the frequency of input and output pins. The DPLL
> core validates the requested value against the supported frequency
> list the pin advertises, so the frequency_set callback only has to
> store it. The same per type tables that validate the configured
> frequency at live time serve as the supported list. The configfs
> attribute is rejected with EBUSY while the device is live, so only the
> netlink setter changes the frequency of a registered pin and the two
> cannot race.
>
> Signed-off-by: Petr Oros<redacted>

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

```