linux-kernel - Re: [PATCH 2/3] soundwire: cadence_master: add debugfs register dump

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Message-ID: <20190810070308.GB6896@kroah.com>
Date:   Sat, 10 Aug 2019 09:03:08 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, broonie@...nel.org, vkoul@...nel.org,
        jank@...ence.com, srinivas.kandagatla@...aro.org,
        slawomir.blauciak@...el.com, Sanyog Kale <sanyog.r.kale@...el.com>
Subject: Re: [PATCH 2/3] soundwire: cadence_master: add debugfs register dump

On Fri, Aug 09, 2019 at 05:43:40PM -0500, Pierre-Louis Bossart wrote:
> +/**
> + * sdw_cdns_debugfs_init() - Cadence debugfs init
> + * @cdns: Cadence instance
> + * @root: debugfs root
> + */
> +void sdw_cdns_debugfs_init(struct sdw_cdns *cdns, struct dentry *root)
> +{
> +	debugfs_create_file("cdns-registers", 0400, root, cdns, &cdns_reg_fops);
> +}
> +EXPORT_SYMBOL_GPL(sdw_cdns_debugfs_init);

You create this function but never actually call it.  Don't add apis
that no one uses :(

thanks,

greg k-h