Re: [PATCH V2 0/5] cpufreq: loongson3: Fix wrong behaviors on multi-node servers

[Zhongqiu Han]

On 8/28/2026 11:11 AM, Huacai Chen wrote:
> Our server productions (e.g. Loongson-3D6000/3E6000) can have multiple
> nodes in one package and SMC mailboxes are also per-node. However, the
> current driver has wrong behaviors on multi-node servers, including: id
> field in smc_message is too narrow, mutex is not per-node, IOCSR read/
> write can only perform on the current node, etc. This series fix all the
> above problems.
>
> V1 -> V2:
> 1. Fix typos and add Fixes tags.
> 2. Fix loongson3_cpufreq_get() return values.
> 3. Use nid_to_addrbase() rather than hard code.
> 4. Guard some code with CONFIG_SMP to avoid build errors.
>
> Hongliang Wang & Huacai Chen (5):
>    cpufreq: loongson3: Make this drvier depend on MACH_LOONGSON64
>    cpufreq: loongson3: Adjust the width of id and val in smc_message
>    cpufreq: loongson3: Replace per-package mutex with per-node
>    cpufreq: loongson3: Use global physical CPU ID in get/target callbacks
>    cpufreq: loongson3: Replace IOCSR read/write with MMIO ones
>
> Signed-off-by: Hongliang Wang <wanghongliang@xxxxxxxxxxx>
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> ---
>   drivers/cpufreq/Kconfig             |  1 +
>   drivers/cpufreq/loongson3_cpufreq.c | 72 ++++++++++++++++++++++++-------------
>   2 files changed, 48 insertions(+), 25 deletions(-)

The whole series looks good to me.

Reviewed-by: Zhongqiu Han <zhongqiu.han@xxxxxxxxxxxxxxxx>

> ---
> 2.27.0


--
Thx and BRs,
Zhongqiu Han