[PATCH v2 6/8] cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent

Randy Dunlap rdunlap at infradead.org
Tue Jun 24 10:18:41 PDT 2025


Hi--

On 6/24/25 8:48 AM, Jonathan Cameron wrote:
> diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig
> index bedc51bea1d1..0ed87f25bd69 100644
> --- a/drivers/cache/Kconfig
> +++ b/drivers/cache/Kconfig
> @@ -10,6 +10,20 @@ config CACHE_COHERENCY_SUBSYSTEM
>  	  kernel subsystems to issue invalidations and similar coherency
>  	  operations.
>  
> +if CACHE_COHERENCY_SUBSYSTEM
> +
> +config HISI_SOC_HHA
> +	tristate "HiSilicon Hydra Home Agent (HHA) device driver"
> +	depends on (ARM64 && ACPI) || COMPILE_TEST
> +	help
> +	  The Hydra Home Agent (HHA) is responsible of cache coherency

	                                            for cache coherency

> +	  on SoC. This drivers provides cache maintenance functions of HHA.

	  on the SoC.

> +
> +	  This driver can be built as a module. If so, the module will be
> +	  called hisi_soc_hha.
> +
> +endif

-- 
~Randy




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