linux-kernel - Re: [PATCH] net: dsa/slave: Fix compilation warnings

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Message-ID: <1351540778.2721.7.camel@bwh-desktop.uk.solarflarecom.com>
Date:	Mon, 29 Oct 2012 19:59:38 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	<davem@...emloft.net>, <linaro-dev@...ts.linaro.org>,
	<patches@...aro.org>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: dsa/slave: Fix compilation warnings

On Mon, 2012-10-29 at 22:27 +0530, Viresh Kumar wrote:
> Currently when none of CONFIG_NET_DSA_TAG_DSA, CONFIG_NET_DSA_TAG_EDSA and
> CONFIG_NET_DSA_TAG_TRAILER is defined, we get following compilation warnings:
> 
> net/dsa/slave.c:51:12: warning: 'dsa_slave_init' defined but not used [-Wunused-function]
> net/dsa/slave.c:60:12: warning: 'dsa_slave_open' defined but not used [-Wunused-function]
> net/dsa/slave.c:98:12: warning: 'dsa_slave_close' defined but not used [-Wunused-function]
> net/dsa/slave.c:116:13: warning: 'dsa_slave_change_rx_flags' defined but not used [-Wunused-function]
> net/dsa/slave.c:127:13: warning: 'dsa_slave_set_rx_mode' defined but not used [-Wunused-function]
> net/dsa/slave.c:136:12: warning: 'dsa_slave_set_mac_address' defined but not used [-Wunused-function]
> net/dsa/slave.c:164:12: warning: 'dsa_slave_ioctl' defined but not used [-Wunused-function]
> 
> Fix them by enclosing these routines under #ifdef,endif.
[...]

This is not a useful configuration.  It might make more sense to make
NET_DSA a hidden option and have the DSA drivers (in drivers/net/dsa)
select it rather than depending on it.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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