On Thu, Jul 26, 2018 at 4:30 PM, A.s. Dong <[email protected]> wrote:
>> -----Original Message-----
>> From: Jassi Brar [mailto:[email protected]]
>> Sent: Thursday, July 26, 2018 5:42 PM
>> To: Oleksij Rempel <[email protected]>
>> Cc: Shawn Guo <[email protected]>; Fabio Estevam
>> <[email protected]>; Rob Herring <[email protected]>; Mark
>> Rutland <[email protected]>; A.s. Dong <[email protected]>;
>> Vladimir Zapolskiy <[email protected]>; Sudeep Holla
>> <[email protected]>; Devicetree List <[email protected]>;
>> Linux Kernel Mailing List <[email protected]>; , Sascha Hauer
>> <[email protected]>; , [email protected], linux-
>> [email protected], srv_heupstream <linux-arm-
>> [email protected]>; dl-linux-imx <[email protected]>
>> Subject: Re: [PATCH v7 1/6] dt-bindings: mailbox: allow mbox-cells to be
>> equal to 0
>>
>> On Thu, Jul 26, 2018 at 12:23 PM, Oleksij Rempel <[email protected]>
>> wrote:
>> > From: Dong Aisheng <[email protected]>
>> >
>> > Mailbox devices may have only one channel which means the mbox-cells
>> > at least 1 does not make sense for this type devices. Let's remove
>> > that limitation to allow the mbox-cells to be equal to 0.
>> >
>> OK
>>
>> But please realise that you'll have to write more code -- implement your own
>> of_xlate() callback.
>> Most developers would prefer to call the only channel as channel number 0,
>> and use the common of_xlate implementation.
>>
>
> Yes, that's true because the common of_xlate assuming the mbox-cells is 1.
> And there's already such users:
> arch/arm/boot/dts/bcm283x.dtsi
>
You mean that is a good thing, right?