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Message-ID: <413d4c70-fcd4-479d-967b-59130c1a68eb@linaro.org>
Date: Mon, 28 Aug 2023 14:30:19 +0200
From: neil.armstrong@...aro.org
To: tanure@...ux.com
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH] tty: serial: meson: Add a earlycon for the S4 SoC
Hi,
On 28/08/2023 14:26, Lucas Tanure wrote:
> On Mon, Aug 28, 2023 at 1:16 PM Neil Armstrong
> <neil.armstrong@...aro.org> wrote:
>>
>> Hi,
>>
>> On 28/08/2023 14:10, Lucas Tanure wrote:
>>> The new Amlogic S4 SoC does not have a always-on uart, so add
>>> OF_EARLYCON_DECLARE for it.
>>>
>>> Signed-off-by: Lucas Tanure <tanure@...ux.com>
>>> ---
>>> drivers/tty/serial/meson_uart.c | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
>>> index 790d910dafa5..8dfaa260e545 100644
>>> --- a/drivers/tty/serial/meson_uart.c
>>> +++ b/drivers/tty/serial/meson_uart.c
>>> @@ -646,8 +646,8 @@ meson_serial_early_console_setup(struct earlycon_device *device, const char *opt
>>> return 0;
>>> }
>>>
>>> -OF_EARLYCON_DECLARE(meson, "amlogic,meson-ao-uart",
>>> - meson_serial_early_console_setup);
>>> +OF_EARLYCON_DECLARE(meson, "amlogic,meson-ao-uart", meson_serial_early_console_setup);
>>> +OF_EARLYCON_DECLARE(meson, "amlogic,meson-s4-uart", meson_serial_early_console_setup);
>>
>> Not sure why you would change both lines, and where's the t7 entry ?
> ok, but we don't need t7, right? T7 will use S4 compatible line.
Indeed, I forget you finally used amlogic,meson-s4-uart as fallback.
Please indicate this in the commit message.
I'll ack the revert then,
Thanks,
Neil
>>
>> Neil
>>
>>>
>>> #define MESON_SERIAL_CONSOLE_PTR(_devname) (&meson_serial_console_##_devname)
>>> #else
>>
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