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SubjectRe: [PATCH devicetree 1/2] MIPS: mscc: ocelot: disable all switch ports by default
On Thu, Aug 19, 2021 at 08:04:15PM +0300, Vladimir Oltean wrote:
> The ocelot switch driver used to ignore ports which do not have a
> phy-handle property and not probe those, but this is not quite ok since
> it is valid to not have a phy-handle property if there is a fixed-link.
> It seems that checking for a phy-handle was a proxy for the proper check
> which is for the status, but that doesn't make a lot of sense, since the
> ocelot driver already iterates using for_each_available_child_of_node
> which skips the disabled ports, so I have no idea.
> Anyway, a widespread pattern in device trees is for a SoC dtsi to
> disable by default all hardware, and let board dts files enable what is
> used. So let's do that and enable only the ports with a phy-handle in
> the pcb120 and pcb123 device tree files.
> Signed-off-by: Vladimir Oltean <>
> ---
> arch/mips/boot/dts/mscc/ocelot.dtsi | 11 +++++++++++
> arch/mips/boot/dts/mscc/ocelot_pcb120.dts | 8 ++++++++
> arch/mips/boot/dts/mscc/ocelot_pcb123.dts | 4 ++++
> 3 files changed, 23 insertions(+)

applied to mips-next.


Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]

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