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

From: Vivien Didelot
Date: Tue Jan 17 2017 - 20:12:23 EST


Hi Russell,

Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx> writes:

> 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@xxxxxxxxxxxxxxx>

This patch applies cleanly on net-next and builds correctly after
touching include/linux/phy.h. My boards work fine with it.

Tested-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>

Thanks,

Vivien