linux-kernel - Re: [PATCH V7 0/6] Use CCF to describe the UART baud rate clock

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Message-ID: <7c4c3272-4ebb-f84b-5436-f1ddc80686ff@amlogic.com>
Date:   Tue, 1 Mar 2022 16:47:39 +0800
From:   Yu Tu <yu.tu@...ogic.com>
To:     Neil Armstrong <narmstrong@...libre.com>,
        <linux-serial@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: Re: [PATCH V7 0/6] Use CCF to describe the UART baud rate clock

Hi Neil,

On 2022/3/1 16:37, Neil Armstrong wrote:
> [ EXTERNAL EMAIL ]
> 
> Hi,
> 
> On 01/03/2022 08:57, Yu Tu wrote:
>> Hi Neil,
>>
>> On 2022/3/1 15:25, Neil Armstrong wrote:
>>> [ EXTERNAL EMAIL ]
>>>
>>> Hi,
>>>
>>> Le 25/02/2022 à 08:39, Yu Tu a écrit :
>>>> Using the common Clock code to describe the UART baud rate
>>>> clock makes it easier for the UART driver to be compatible
>>>> with the baud rate requirements of the UART IP on different
>>>> meson chips. Add Meson S4 SoC compatible.
>>>>
>>>> The test method:
>>>> Start the console and run the following commands in turn:
>>>> stty -F /dev/ttyAML0 115200 and stty -F /dev/ttyAML0 921600.
>>>>
>>>> Since most SoCs are too old, I was able to find all the platforms 
>>>> myself
>>>> such as Meson6, Meson8, Meson8b, GXL and so on. I only tested it with
>>>> G12A and S4.
>>>>
>>>> Yu Tu (6):
>>>>    tty: serial: meson: Move request the register region to probe
>>>>    tty: serial: meson: Use devm_ioremap_resource to get register mapped
>>>>      memory
>>>>    tty: serial: meson: Describes the calculation of the UART baud rate
>>>>      clock using a clock frame
>>>>    tty: serial: meson: Make some bit of the REG5 register writable
>>>>    tty: serial: meson: The system stuck when you run the stty 
>>>> command on
>>>>      the console to change the baud rate
>>>>    tty: serial: meson: Added S4 SOC compatibility
>>>>
>>>> V6 -> V7: To solve the system stuck when you run the stty command on
>>>> the console to change the baud rate.
>>>> V5 -> V6: Change error format as discussed in the email.
>>>> V4 -> V5: Change error format.
>>>> V3 -> V4: Change CCF to describe the UART baud rate clock as discussed
>>>> in the email.
>>>> V2 -> V3: add compatible = "amlogic,meson-gx-uart". Because it must 
>>>> change
>>>> the DTS before it can be deleted
>>>> V1 -> V2: Use CCF to describe the UART baud rate clock.Make some 
>>>> changes as
>>>> discussed in the email
>>>>
>>>> Link:https://lore.kernel.org/linux-amlogic/20220118030911.12815-4-yu.tu@amlogic.com/ 
>>>>
>>>>
>>>>   drivers/tty/serial/meson_uart.c | 221 
>>>> ++++++++++++++++++++++----------
>>>>   1 file changed, 154 insertions(+), 67 deletions(-)
>>>>
>>>>
>>>> base-commit: a603ca60cebff8589882427a67f870ed946b3fc8
>>>
>>> Could you send the emails To Kevin, Jerome, Martin & me, and put the 
>>> various lists in CC instead ? otherwise we are not notified when the 
>>> patch is accepted by the tty maintainer.
>> The fact is that sending is adding you up, you see
>> Link: 
>> https://lore.kernel.org/linux-amlogic/20220225073922.3947-1-yu.tu@amlogic.com/ 
>>
> 
> It's not the point, the order of recipient in Cc and To is important 
> since they are used
> by maintainers to track patch for review and to notify when patches are 
> taken in their tree.
> 
> So please make sure the recipients are correctly set before sending the 
> patches.
> 
I see what you mean. Mailing lists should all use To.
> Neil
> 
>>>
>>> Thanks,
>>> Neil
>>>
>