Re: [RFC PATCH v8 04/10] dpll: netlink: Add DPLL framework base functions
From: Jiri Pirko
Date: Wed Jun 21 2023 - 07:53:34 EST
Wed, Jun 21, 2023 at 01:18:59PM CEST, poros@xxxxxxxxxx wrote:
>Arkadiusz Kubalewski píše v Pá 09. 06. 2023 v 14:18 +0200:
>> From: Vadim Fedorenko <vadim.fedorenko@xxxxxxxxx>
[...]
Could you perhaps cut out the text you don't comment? Saves some time
finding your reply.
>> +static int
>> +dpll_set_from_nlattr(struct dpll_device *dpll, struct genl_info
>> *info)
>> +{
>> + const struct dpll_device_ops *ops = dpll_device_ops(dpll);
>> + struct nlattr *tb[DPLL_A_MAX + 1];
>> + int ret = 0;
>> +
>> + nla_parse(tb, DPLL_A_MAX, genlmsg_data(info->genlhdr),
>> + genlmsg_len(info->genlhdr), NULL, info->extack);
>> + if (tb[DPLL_A_MODE]) {
>Hi,
>
>Here should be something like:
> if (!ops->mode_set)
> return -EOPNOTSUPP;
Why? All drivers implement that.
I believe that it's actullaly better that way. For a called setting up
the same mode it is the dpll in, there should be 0 return by the driver.
Note that driver holds this value. I'd like to keep this code as it is.
[...]