linux-kernel - Re: [PATCH v9 4/9] mfd: at91-usart: Make it selectable for ARCH

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Message-ID: <769c8dc4-4db6-4d2e-aa2f-f86aa7ccaf78@microchip.com>
Date: Thu, 4 Sep 2025 15:03:46 +0200
From: Nicolas Ferre <nicolas.ferre@...rochip.com>
To: Lee Jones <lee@...nel.org>, Robert Marko <robert.marko@...tura.hr>
CC: <linux@...linux.org.uk>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <catalin.marinas@....com>, <will@...nel.org>,
	<olivia@...enic.com>, <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
	<andi.shyti@...nel.org>, <broonie@...nel.org>, <gregkh@...uxfoundation.org>,
	<jirislaby@...nel.org>, <arnd@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<linux-crypto@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
	<linux-spi@...r.kernel.org>, <linux-serial@...r.kernel.org>,
	<o.rempel@...gutronix.de>, <daniel.machon@...rochip.com>,
	<luka.perkov@...tura.hr>
Subject: Re: [PATCH v9 4/9] mfd: at91-usart: Make it selectable for
 ARCH_MICROCHIP

On 02/09/2025 at 12:02, Lee Jones wrote:
> On Wed, 13 Aug 2025, Robert Marko wrote:
> 
>> LAN969x uses the Atmel USART, so make it selectable for ARCH_MICROCHIP to
>> avoid needing to update depends in future if other Microchip SoC-s use it
>> as well.
>>
>> Signed-off-by: Robert Marko <robert.marko@...tura.hr>
>> ---
>>   drivers/mfd/Kconfig | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 425c5fba6cb1..8f11b2df1470 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -138,7 +138,7 @@ config MFD_AAT2870_CORE
>>   config MFD_AT91_USART
>>        tristate "AT91 USART Driver"
>>        select MFD_CORE
>> -     depends on ARCH_AT91 || ARCH_LAN969X || COMPILE_TEST
>> +     depends on ARCH_MICROCHIP || COMPILE_TEST
>>        help
>>          Select this to get support for AT91 USART IP. This is a wrapper
>>          over at91-usart-serial driver and usart-spi-driver. Only one function
> 
> Let me know when the deps are in Mainline.

Hi Lee,

I have tags from other maintainers, how about you give us your and we 
make this patch travel through arm-soc like the other ones?

Regards,
   Nicolas