[PATCH V7 0/6] Use CCF to describe the UART baud rate clock

Neil Armstrong narmstrong at baylibre.com
Tue Mar 1 00:37:56 PST 2022


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.

Neil

>>
>> Thanks,
>> Neil
>>




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