netdev - Re: [PATCH net-next v4 4/9] dpll: netlink: Add DPLL framework base functions

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Message-ID: <20230814202301.13768f0d@kernel.org>
Date: Mon, 14 Aug 2023 20:23:01 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc: Jiri Pirko <jiri@...nulli.us>, Arkadiusz Kubalewski
 <arkadiusz.kubalewski@...el.com>, Jonathan Lemon
 <jonathan.lemon@...il.com>, Paolo Abeni <pabeni@...hat.com>, Milena Olech
 <milena.olech@...el.com>, Michal Michalik <michal.michalik@...el.com>,
 linux-arm-kernel@...ts.infradead.org, poros@...hat.com,
 mschmidt@...hat.com, netdev@...r.kernel.org, linux-clk@...r.kernel.org,
 Bart Van Assche <bvanassche@....org>, intel-wired-lan@...ts.osuosl.org,
 Jiri Pirko <jiri@...dia.com>
Subject: Re: [PATCH net-next v4 4/9] dpll: netlink: Add DPLL framework base
 functions

On Fri, 11 Aug 2023 21:03:35 +0100 Vadim Fedorenko wrote:
> +static int
> +dpll_pin_freq_set(struct dpll_pin *pin, struct nlattr *a,
> +		  struct netlink_ext_ack *extack)
> +{
> +	u64 freq = nla_get_u64(a);
> +	struct dpll_pin_ref *ref;
> +	unsigned long i;
> +	int ret;
> +
> +	if (!dpll_pin_is_freq_supported(pin, freq)) {
> +		NL_SET_ERR_MSG_FMT(extack, "not supported freq:%llu", freq);
> +		return -EINVAL;
> +	}

NL_SET_ERR_MSG_ATTR(extack, a, "frequency not supported by the device")