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Message-ID: <ef4d2ebb-dd2a-423d-acd1-43fdb42c1896@foss.st.com>
Date: Mon, 10 Jun 2024 10:14:18 +0200
From: Christophe ROULLIER <christophe.roullier@...s.st.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "David S . Miller"
	<davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Rob Herring
	<robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Richard Cochran <richardcochran@...il.com>,
        Jose Abreu <joabreu@...opsys.com>, Liam Girdwood <lgirdwood@...il.com>,
        Mark
 Brown <broonie@...nel.org>, Marek Vasut <marex@...x.de>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] ARM: multi_v7_defconfig: Add MCP23S08 pinctrl support

Hi Krzysztof,

On 6/10/24 10:09, Krzysztof Kozlowski wrote:
> On 10/06/2024 10:06, Christophe Roullier wrote:
>> Enable MCP23S08 I/O expanders to manage Ethernet PHY
>> reset in STM32MP135F-DK board.
>>
>> Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
>> ---
>>   arch/arm/configs/multi_v7_defconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
>> index 86bf057ac3663..9758f3d41ad70 100644
>> --- a/arch/arm/configs/multi_v7_defconfig
>> +++ b/arch/arm/configs/multi_v7_defconfig
>> @@ -469,6 +469,7 @@ CONFIG_SPI_XILINX=y
>>   CONFIG_SPI_SPIDEV=y
>>   CONFIG_SPMI=y
>>   CONFIG_PINCTRL_AS3722=y
>> +CONFIG_PINCTRL_MCP23S08=y
> This is not an on-SoC pinctrl, so it should be module (=m).

The stmmac is in built-in, if IO-Expander (MCP23S08) is on module, we 
have huge of message during kernel boot

because stmmac driver is deferred several times. (need to wait that 
module are ready)

Thanks

>
> Best regards,
> Krzysztof
>

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