[PATCH 3/4] ARM: dts: vf610-zii-dev-rev-b: add PHYs for switch2

Linus Walleij linus.walleij at linaro.org
Thu Dec 21 04:15:56 PST 2017


On Thu, Dec 21, 2017 at 12:11 AM, Russell King
<rmk+kernel at armlinux.org.uk> wrote:

> Switch 2 has an 88e1545 PHY behind it, which is a quad PHY.  Only the
> first three PHYs are used, the remaining PHY is unused.  When we wire
> up the SFF sockets in a later commit, the omission of this causes the
> fourth PHY to be used for port 3.  Specifying the PHYs in DT avoids
> the auto-probing of the bus, and discovery of this PHY.
>
> Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>

Ah this is elegant and what Andrew requested me to do for
another switch as well. Makes perfect sense. FWIW:

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Yours,
Linus Walleij



More information about the linux-arm-kernel mailing list