Re: [PATCH RESEND v3 1/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC

[Randy Dunlap]

Hi--

On 7/25/23 00:57, Huisong Li wrote:
> diff --git a/drivers/soc/hisilicon/Kconfig b/drivers/soc/hisilicon/Kconfig
> new file mode 100644
> index 000000000000..87a1f15cbedb
> --- /dev/null
> +++ b/drivers/soc/hisilicon/Kconfig
> @@ -0,0 +1,19 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +
> +menu "Hisilicon SoC drivers"
> +	depends on ARCH_HISI || COMPILE_TEST
> +
> +config KUNPENG_HCCS
> +	tristate "HCCS driver on Kunpeng SoC"
> +	depends on ACPI
> +	depends on ARM64 || COMPILE_TEST
> +	help
> +	  The Huawei Cache-Coherent System (HCCS) is a bus protocol standard

Just curious: what makes it a standard?

> +	  for ensuring cache coherent on HiSilicon SoC. The performance of

	                     coherence

> +	  the application may be affected if some hccs ports are in non-full

	                                          HCCS

> +	  lane status, have a large number of CRC errors and so on.
> +
> +	  Say M here if you want to include support for querying the health
> +	  status and port information of HCCS on Kunpeng SoC.
> +
> +endmenu

thanks.
-- 
~Randy