Re: [PATCH 5/9] drivers/perf: hisi: Add support for HiSilicon SLLC v3 PMU driver

Jonathan Cameron
2025-03-04T10:02:44Z

On Tue, 18 Feb 2025 17:19:56 +0800
Yicong Yang <yangyicong@huawei.com> wrote:

> From: Junhao He <hejunhao3@huawei.com>
>
> SLLC v3 PMU has the following changes compared to previous version:
> a) update the register layout
> b) update the definition of SRCID_CTRL and TGTID_CTRL registers.
> To be compatible with v2, we use maximum width (11 bits)
> and mask the extra length for themselves.
> c) remove latency events (driver does not need to be adapted).
>
> SLLC v3 PMU is identified with HID HISI0264.
>
> Signed-off-by: Junhao He <hejunhao3@huawei.com>
> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>