Re: [Intel-wired-lan] [PATCH net-next v5 5/9] netdev: expose DPLL pin handle for netdevice

[Jakub Kicinski <kuba@kernel.org>]

On Wed, 23 Aug 2023 00:00:33 +0100 Vadim Fedorenko wrote:
> static int
>  dpll_msg_add_mode(struct sk_buff *msg, struct dpll_device *dpll,
> @@ -340,6 +352,7 @@ dpll_cmd_pin_get_one(struct sk_buff *msg, struct dpll_pin *pin,
>  
>  	ref = dpll_xa_ref_dpll_first(&pin->dpll_refs);
>  	ASSERT_NOT_NULL(ref);
> +
>  	ret = dpll_msg_add_pin_handle(msg, pin);
>  	if (ret)
>  		return ret;

Chunk out of place

> diff --git a/include/linux/dpll.h b/include/linux/dpll.h
> index 2202310c10cd..9b612038b538 100644
> --- a/include/linux/dpll.h
> +++ b/include/linux/dpll.h
> @@ -101,6 +101,26 @@ struct dpll_pin_properties {
>  	struct dpll_pin_frequency *freq_supported;
>  };
>  
> +#if IS_ENABLED(CONFIG_DPLL)
> +
> +size_t dpll_msg_pin_handle_size(struct dpll_pin *pin);
> +
> +int dpll_msg_add_pin_handle(struct sk_buff *msg, struct dpll_pin *pin);
> +
> +#else
> +
> +static inline size_t dpll_msg_pin_handle_size(struct dpll_pin *pin)
> +{
> +	return 0;
> +}
> +
> +static inline int dpll_msg_add_pin_handle(struct sk_buff *msg, struct dpll_pin *pin)
> +{
> +	return 0;
> +}
> +
> +#endif

The only empty line between #if and #endif that's needed is the one
between the two static inline helpers

>  struct dpll_device *
>  dpll_device_get(u64 clock_id, u32 dev_driver_id, struct module *module);
>  
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index 0896aaa91dd7..36a872774173 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -34,6 +34,7 @@
>  #include <linux/rculist.h>
>  #include <linux/workqueue.h>
>  #include <linux/dynamic_queue_limits.h>
> +#include <linux/dpll.h>

Please no includes in netdevice.h, it's included in way too many places.

All you need is a forward declaration of struct dpll_pin, AFAICT.

> diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
> index ce3117df9cec..2e7df321f345 100644
> --- a/include/uapi/linux/if_link.h
> +++ b/include/uapi/linux/if_link.h
> @@ -377,6 +377,8 @@ enum {
>  	IFLA_GSO_IPV4_MAX_SIZE,
>  	IFLA_GRO_IPV4_MAX_SIZE,
>  
> +	IFLA_DPLL_PIN,
> +

No empty lines, no idea who started this trend but let's stop it.

>  	__IFLA_MAX
>  };
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