Re: [PATCH v8 2/3] clocksource: Add JH7110 timer driver

From: Xingyu Wu
Date: Wed Dec 20 2023 - 20:58:45 EST


On 2023/12/20 21:59, Emil Renner Berthing wrote:
> Xingyu Wu wrote:
>> Add timer driver for the StarFive JH7110 SoC and select it by
>> CONFIG_SOC_STARFIVE.
>>
>> This timer has four free-running and independent 32-bit counters.
>> Each channel(counter) can trigger an interrupt when timeout even
>> CPU is sleeping. So this timer is used as global timer and register
>> clockevent for each CPU core after riscv-timer registration on the
>> StarFive JH7110 SoC.
>>
>> Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
>> ---
>> MAINTAINERS | 7 +
>> arch/riscv/Kconfig.socs | 1 +
>> drivers/clocksource/Kconfig | 9 +
>> drivers/clocksource/Makefile | 1 +
>> drivers/clocksource/timer-jh7110.c | 360 +++++++++++++++++++++++++++++
>> include/linux/cpuhotplug.h | 1 +
>> 6 files changed, 379 insertions(+)
>> create mode 100644 drivers/clocksource/timer-jh7110.c
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 9104430e148e..fe0e803606a5 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -20617,6 +20617,13 @@ S: Maintained
>> F: Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
>> F: sound/soc/starfive/jh7110_tdm.c
>>
>> +STARFIVE JH7110 TIMER DRIVER
>> +M: Samin Guo <samin.guo@xxxxxxxxxxxxxxxx>
>
> Last time I sent a mail to samin.guo@xxxxxxxxxxxxxxxx it bounced. Was that just
> a temporary error?
>
> /Emil

Oh, This email has been deactivated and I don't have his other personal email.
I had dropped it in the driver but forget it here.
Will fix.

Thanks,
Xingyu Wu

>
>> +M: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
>> +S: Supported
>> +F: Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
>> +F: drivers/clocksource/timer-jh7110.c
>> +
>> STARFIVE JH71X0 CLOCK DRIVERS
>> M: Emil Renner Berthing <kernel@xxxxxxxx>
>> M: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>