linux-kernel - Re: [PATCH RFC] net: dsa: remove unnecessary phy.h include

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Message-Id: <20170118.163714.6755964924380784.davem@davemloft.net>
Date:   Wed, 18 Jan 2017 16:37:14 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     linux@...linux.org.uk
Cc:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        f.fainelli@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] net: dsa: remove unnecessary phy.h include

From: Russell King - ARM Linux <linux@...linux.org.uk>
Date: Wed, 18 Jan 2017 00:14:03 +0000

> Including phy.h and phy_fixed.h into net/dsa.h causes phy*.h to be an
> unnecessary dependency for quite a large amount of the kernel.  There's
> very little which actually requires definitions from phy.h in net/dsa.h
> - the include itself only wants the declaration of a couple of
> structures and IFNAMSIZ.
> 
> Add linux/if.h for IFNAMSIZ, declarations for the structures, phy.h to
> mv88e6xxx.h as it needs it for phy_interface_t, and remove both phy.h
> and phy_fixed.h from net/dsa.h.
> 
> This patch reduces from around 800 files rebuilt to around 40 - even
> with ccache, the time difference is noticable.
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

Applied, thanks.