Re: [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates

From: Gregory CLEMENT
Date: Fri Dec 17 2021 - 12:23:06 EST


Hello Pali,

> On Thursday 30 September 2021 11:58:32 Pali Rohár wrote:
>> This patch series add support for baudrates higher than 230400 on
>> Marvell Armada 37xx boards.
>
> Stephen, Gregory, are there any issues with this patch series?

I am not found of these changes but let's apply it as I didn't take time
to do a better review.

However I can't apply the dt part if the driver is not merged.

Gregory

> If not, could you take them?
>
>> Changes in v7:
>> * fixed lint errors in yaml binding file
>>
>> Changes in v6:
>> * fixed yaml binding file and dts files
>>
>> Changes in v5:
>> * fixed yaml binding file
>>
>> Changes in v4:
>> * converted armada3700-uart-clock documentation to YAML
>> * split documentation changes into two commits:
>> - first which adds clock documentation
>> - second which updates UART documentation
>>
>> Changes in v3:
>> v3 is rebased on top of Linus master branch and all already applied patches
>> were dropped. There are no changes in patches itself since v2.
>>
>> Pali Rohár (6):
>> math64: New DIV_U64_ROUND_CLOSEST helper
>> serial: mvebu-uart: implement UART clock driver for configuring UART
>> base clock
>> dt-bindings: mvebu-uart: document DT bindings for
>> marvell,armada-3700-uart-clock
>> dt-bindings: mvebu-uart: update information about UART clock
>> arm64: dts: marvell: armada-37xx: add device node for UART clock and
>> use it
>> serial: mvebu-uart: implement support for baudrates higher than 230400
>>
>> .../clock/marvell,armada-3700-uart-clock.yaml | 59 ++
>> .../devicetree/bindings/serial/mvebu-uart.txt | 9 +-
>> arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 14 +-
>> drivers/tty/serial/Kconfig | 1 +
>> drivers/tty/serial/mvebu-uart.c | 592 +++++++++++++++++-
>> include/linux/math64.h | 13 +
>> 6 files changed, 667 insertions(+), 21 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/clock/marvell,armada-3700-uart-clock.yaml
>>
>> --
>> 2.20.1
>>

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com