linux-kernel - Re: [PATCH V3 1/6] tty: serial: meson: Drop the legacy compatible strings and clock code

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Date:   Fri, 31 Dec 2021 18:27:12 +0800
From:   Yu Tu <yu.tu@...ogic.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
CC:     <linux-serial@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Vyacheslav <adeep@...ina.in>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [PATCH V3 1/6] tty: serial: meson: Drop the legacy compatible
 strings and clock code

Hi Martin,
	Thank you very much for your reply.

On 2021/12/31 6:22, Martin Blumenstingl wrote:
> [ EXTERNAL EMAIL ]
> 
> On Thu, Dec 30, 2021 at 11:21 AM Yu Tu <yu.tu@...ogic.com> wrote:
>>
>> All mainline .dts files have been using the stable UART since Linux
>> 4.16. Drop the legacy compatible strings and related clock code.
>>
>> Signed-off-by: Yu Tu <yu.tu@...ogic.com>
> I have just realized that this cannot be dropped until my series "ARM:
> dts: meson: fix UART device-tree schema validation" [0] is merged
> 
> [...]
>> -/* Legacy bindings, should be removed when no more used */
>> -OF_EARLYCON_DECLARE(meson, "amlogic,meson-uart",
>> -                   meson_serial_early_console_setup);
> This part is still needed as long as above series is not merged yet.
> If we remove this then earlycon will stop working on the 32-bit SoCs
> unless [0] is merged.
> 
> All other code below - except the of_device_id entry - can still be
> removed since meson8.dtsi and meson8b.dtsi are using the non-legacy
> clocks already.
> 
> Sorry for only noticing this now.
> 
I will add it back in the next patch and delete it after your submission 
is merged.
> 
> Best regards,
> Martin
> 
> 
> [0] https://patchwork.kernel.org/project/linux-amlogic/cover/20211227180026.4068352-1-martin.blumenstingl@googlemail.com/
>