drivers/cache/Kconfig

Source file repositories/reference/linux-study-clean/drivers/cache/Kconfig

File Facts

System
Linux kernel
Corpus path
drivers/cache/Kconfig
Extension
[no extension]
Size
1646 bytes
Lines
57
Domain
Driver Families
Bucket
drivers/cache
Inferred role
Driver Families: build/configuration rule
Status
atlas-only

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0

menuconfig CACHEMAINT_FOR_DMA
	bool "Cache management for noncoherent DMA"
	depends on RISCV
	default y
	help
	  These drivers implement support for noncoherent DMA master devices
	  on platforms that lack the standard CPU interfaces for this.

if CACHEMAINT_FOR_DMA

config AX45MP_L2_CACHE
	bool "Andes Technology AX45MP L2 Cache controller"
	select RISCV_NONSTANDARD_CACHE_OPS
	help
	  Support for the L2 cache controller on Andes Technology AX45MP platforms.

config SIFIVE_CCACHE
	bool "Sifive Composable Cache controller"
	depends on ARCH_SIFIVE || ARCH_STARFIVE
	help
	  Support for the composable cache controller on SiFive platforms.

config STARFIVE_STARLINK_CACHE
	bool "StarFive StarLink Cache controller"
	depends on ARCH_STARFIVE
	depends on 64BIT
	select RISCV_DMA_NONCOHERENT
	select RISCV_NONSTANDARD_CACHE_OPS
	help
	  Support for the StarLink cache controller IP from StarFive.

endif #CACHEMAINT_FOR_DMA

menuconfig CACHEMAINT_FOR_HOTPLUG
	bool "Cache management for memory hot plug like operations"
	depends on GENERIC_CPU_CACHE_MAINTENANCE
	help
	  These drivers implement cache management for flows where it is necessary
	  to flush data from all host caches.

if CACHEMAINT_FOR_HOTPLUG

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 for cache coherency
	  on the SoC. This drivers enables the cache maintenance functions of
	  the HHA.

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

endif #CACHEMAINT_FOR_HOTPLUG

Annotation

Implementation Notes