Re: [PATCH v4 11/11] ARM: multi_v7_defconfig: Add MCP23S08 pinctrl support

From: Marek Vasut
Date: Tue Jun 04 2024 - 13:27:55 EST


On 6/4/24 4:35 PM, Christophe Roullier wrote:
Need to enable MCP23S08 I/O expanders to manage Ethernet PHY
reset in STM32MP135F-DK board.
Put this config in built-in like STMMAC to avoid huge of Ethernet
messages during boot (deferred)

You're not avoiding any error/defer/messages here, you simply need to enable the MCP23S08 GPIO controller driver, so the kernel can use the GPIO provided by that driver instance to release the ethernet PHY from reset on STM32MP135F-DK, that's all.