Re: [PATCH v2 5/8] drivers/perf: hisi: Relax the event number check of v2 PMUs

[Jonathan Cameron]

On Fri, 21 Mar 2025 15:38:43 +0800
Yicong Yang <yangyicong@xxxxxxxxxx> wrote:

> From: Junhao He <hejunhao3@xxxxxxxxxx>
> 
> The supported event number range of each Uncore PMUs is provided by
> each driver in hisi_pmu::check_event and out of range events
> will be rejected. A later version with expanded event number range
> needs to register the PMU with updated hisi_pmu::check_event
> even if it's the only update, which means the expanded events
> cannot be used unless the driver's updated. However the unsupported
> events won't be counted by the hardware so we can relax the event
> number check to allow the use the expanded events.
> 
> Signed-off-by: Junhao He <hejunhao3@xxxxxxxxxx>
> Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>