Hi--HCCS is just a self-defined bus protocol and used for multi-chip interconnection.
On 7/25/23 00:57, Huisong Li wrote:
diff --git a/drivers/soc/hisilicon/Kconfig b/drivers/soc/hisilicon/KconfigJust curious: what makes it a standard?
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
Ack, thanks.
+ for ensuring cache coherent on HiSilicon SoC. The performance ofcoherence
HCCS is a bus protocol, it should be all capitals.
+ the application may be affected if some hccs ports are in non-fullHCCS