[PATCH RESEND v7 05/21] drivers/perf: apple_m1: Support configuring counters for 32-bit EL0

[Will Deacon]

On Mon, Jun 16, 2025 at 09:31:54AM +0800, Nick Chan wrote:
> Add support for configuring counters for 32-bit EL0 to allow adding support
> for implementations with 32-bit EL0.
> 
> For documentation purposes, also add the bitmask for configuring counters
> for 64-bit EL3.
> 
> Signed-off-by: Nick Chan <towinchenmi at gmail.com>
> ---
>  arch/arm64/include/asm/apple_m1_pmu.h | 3 +++
>  drivers/perf/apple_m1_cpu_pmu.c       | 6 ++++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/apple_m1_pmu.h b/arch/arm64/include/asm/apple_m1_pmu.h
> index 02e05d05851f739b985bf416f1aa3baeafd691dc..6e238043e0dc2360c4fd507dc6a0eb7e055d2d6f 100644
> --- a/arch/arm64/include/asm/apple_m1_pmu.h
> +++ b/arch/arm64/include/asm/apple_m1_pmu.h
> @@ -38,8 +38,11 @@
>  
>  #define SYS_IMP_APL_PMCR1_EL1	sys_reg(3, 1, 15, 1, 0)
>  #define SYS_IMP_APL_PMCR1_EL12	sys_reg(3, 1, 15, 7, 2)
> +#define PMCR1_COUNT_A32_EL0_0_7	GENMASK(7, 0)
>  #define PMCR1_COUNT_A64_EL0_0_7	GENMASK(15, 8)
>  #define PMCR1_COUNT_A64_EL1_0_7	GENMASK(23, 16)
> +#define PMCR1_COUNT_A64_EL3_0_7	GENMASK(31, 24)

No need to add this one ^^

Will