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

Jonathan Cameron Jonathan.Cameron at huawei.com
Tue Mar 4 02:02:35 PST 2025


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

> From: Junhao He <hejunhao3 at 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 at huawei.com>
> Signed-off-by: Yicong Yang <yangyicong at hisilicon.com>

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





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