Re: [PATCH v13 7/8] ARM: dts: turris-omnia: Add MCU system-controller node

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On Mon, Jul 01, 2024 at 01:30:09PM +0200, Marek Behún wrote:
> Turris Omnia's MCU provides various features that can be configured over
> I2C at address 0x2a. Add device-tree node.
> 
> This does not carry a Fixes tag - we do not want this to get backported
> to stable kernels for the following reason: U-Boot since v2022.10
> inserts a phy-reset-gpio property into the WAN ethernet node pointing to
> the MCU node if it finds the MCU node with a cznic,turris-omnia-mcu
> compatible. Thus if this change got backported to a stable kernel, the
> WAN interface driver would defer probe indefinitely (since it would wait
> for the turris-omnia-mcu driver which would not be present).
> 
> Signed-off-by: Marek Behún <kabel@xxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew




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