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Subject[PATCH v2 2/8] drivers: base: Add Kconfig/Makefile to build hardware prefetch control core driver
Date
This adds Kconfig/Makefile to build hardware prefetch control core
driver. This also adds a MAINTAINERS entry.

Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
---
MAINTAINERS | 6 ++++++
drivers/base/Kconfig | 13 +++++++++++++
drivers/base/Makefile | 1 +
3 files changed, 20 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 05fd080b82f3..213537cea2e2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8452,6 +8452,12 @@ F: include/linux/hwmon*.h
F: include/trace/events/hwmon*.h
K: (devm_)?hwmon_device_(un)?register(|_with_groups|_with_info)

+HARDWARE PREFETCH CONTROL DRIVERS
+M: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
+S: Maintained
+F: drivers/base/pfctl.c
+F: include/linux/pfctl.h
+
HARDWARE RANDOM NUMBER GENERATOR CORE
M: Matt Mackall <mpm@selenic.com>
M: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 6f04b831a5c0..d146604b5b3a 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -230,4 +230,17 @@ config GENERIC_ARCH_NUMA
Enable support for generic NUMA implementation. Currently, RISC-V
and ARM64 use it.

+config ARCH_HAS_HWPF_CONTROL
+ bool
+
+config HWPF_CONTROL
+ bool "Hardware Prefetch Control driver"
+ depends on ARCH_HAS_HWPF_CONTROL && SYSFS
+ help
+ This driver allows user to control CPU's Hardware Prefetch behavior.
+ If the machine supports this behavior, it provides a sysfs interface.
+
+ See Documentation/ABI/testing/sysfs-devices-system-cpu for more
+ information.
+
endmenu
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index 02f7f1358e86..13f3a0ddf3d1 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_DEV_COREDUMP) += devcoredump.o
obj-$(CONFIG_GENERIC_MSI_IRQ_DOMAIN) += platform-msi.o
obj-$(CONFIG_GENERIC_ARCH_TOPOLOGY) += arch_topology.o
obj-$(CONFIG_GENERIC_ARCH_NUMA) += arch_numa.o
+obj-$(CONFIG_HWPF_CONTROL) += pfctl.o

obj-y += test/

--
2.27.0
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