From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH v4 1/9] bus: add bus iterator to find a
	particular bus
Date: Wed, 21 Jun 2017 14:12:11 +0200
Message-ID: <2233259.EIshgydRbt@xps>
References: <cover.1496876710.git.gaetan.rivet@6wind.com>
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Cc: dev@dpdk.org, Jan Blunck <jblunck@infradead.org>
To: Gaetan Rivet <gaetan.rivet@6wind.com>
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21/06/2017 01:29, Gaetan Rivet:
> +/**
> + * Bus iterator to find a particular bus.
> + *
> + * If the callback returns zero this function will stop iterating over
> + * any more buses.
> + * If the start parameter is non-NULL, the comparison will only be determined
> + * past this element.
> + *
> + * @param cmp
> + *     Comparison function.
> + *
> + * @param data
> + *      Data to pass to cmp callback
> + *
> + * @param start
> + *     Starting point for the iteration.
> + *
> + * @return
> + *      A pointer to a rte_bus structure or NULL in case no bus matches
> + */
> +struct rte_bus *rte_bus_find(rte_bus_cmp_t cmp,
> +                            const void *data,
> +                            const struct rte_bus *start);
> 

What will be the typical usage? find by name?
Does it make sense to implement a helper for find_by_name?

Or is it used only for rte_bus_find_by_device()?