linux-kernel - Re: [PATCH 1/3] mailbox: Make BCM2835_MBOX default to ARCH

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Message-ID: <b422f395-7554-4596-b779-268718b34383@broadcom.com>
Date: Tue, 14 May 2024 09:20:06 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Conor Dooley <conor@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>,
 Bjorn Andersson <quic_bjorande@...cinc.com>,
 Maximilian Luz <luzmaximilian@...il.com>, Ard Biesheuvel <ardb@...nel.org>,
 Johan Hovold <johan+linaro@...nel.org>, "Michael S. Tsirkin"
 <mst@...hat.com>, Sudeep Holla <sudeep.holla@....com>,
 Conor Dooley <conor.dooley@...rochip.com>,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
 "open list:COMMON CLK FRAMEWORK" <linux-clk@...r.kernel.org>,
 open list <linux-kernel@...r.kernel.org>, Stefan Wahren <wahrenst@....net>
Subject: Re: [PATCH 1/3] mailbox: Make BCM2835_MBOX default to ARCH_BCM2835

On 5/14/24 05:29, Conor Dooley wrote:
> On Mon, May 13, 2024 at 04:52:32PM -0700, Florian Fainelli wrote:
>> This driver is depended on by CONFIG_FIRMWARE_RASPBERRYPI which provides
>> a number of essential services, including but not limited to a Linux
>> common clock framework provider. Make sure that enable
>> CONFIG_ARCH_BCM2835 does enable the corresponding mailbox driver.
>>
>> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
>> ---
>>   drivers/mailbox/Kconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
>> index 42940108a187..2b4cde562a90 100644
>> --- a/drivers/mailbox/Kconfig
>> +++ b/drivers/mailbox/Kconfig
>> @@ -109,6 +109,7 @@ config ALTERA_MBOX
>>   config BCM2835_MBOX
>>   	tristate "BCM2835 Mailbox"
>>   	depends on ARCH_BCM2835
>> +	default ARCH_BCM2835
> 
> This is just "default y", since I doubt ARCH_BCM2835 can be a module?

Right, although I intend to also add COMPILE_TEST, by then, it might be 
preferable to have it "default ARCH_BCM2835".

> 
> If so, patch 2 could also just be "default y" and I think patch 3 can
> have the same logic applied to it, given you're defaulting it to a
> dependency also?

Right.
-- 
Florian

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