Re: [PATCH v3 3/5] platform/chrome: cros_ec_proto: Introduce cros_ec_cmd_versions()

From: Tzung-Bi Shih
Date: Tue Jun 11 2024 - 22:25:52 EST


On Tue, Jun 11, 2024 at 02:14:33PM +0200, Thomas Weißschuh wrote:
> On 2024-06-11 11:35:39+0000, Tzung-Bi Shih wrote:
> > On Mon, Jun 10, 2024 at 05:51:08PM +0200, Thomas Weißschuh wrote:
> > > + *
> > > + * @ec_dev: EC device
> > > + * @cmd: Command to test
> > > + *
> > > + * Return: version mask on success, negative error number on failure.
> > > + */
> > > +int cros_ec_cmd_versions(struct cros_ec_device *ec_dev, u16 cmd)
> >
> > Could it support a "version" parameter as existing EC_CMD_GET_CMD_VERSIONS
> > usages use both versions? An `u16 cmd` parameter and down-cast to u8 for v0
> > should be fine. (ec_params_get_cmd_versions vs. ec_params_get_cmd_versions_v1)
>
> Ack.
>
> Or we could automatically use v0 if cmd <= U8_MAX?

Ack. Looks feasible.