linux-kernel - [PATCH v3 4/9] soc: fujitsu: Add Kconfig/Makefile to build hardware prefetch control driver

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Date:   Wed, 20 Apr 2022 12:02:18 +0900
From:   Kohei Tarumizu <tarumizu.kohei@...itsu.com>
To:     catalin.marinas@....com, will@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        fenghua.yu@...el.com, reinette.chatre@...el.com
Cc:     tarumizu.kohei@...itsu.com
Subject: [PATCH v3 4/9] soc: fujitsu: Add Kconfig/Makefile to build hardware prefetch control driver

This adds Kconfig/Makefile to build hardware prefetch control driver
for A64FX support. This also adds a MAINTAINERS entry.

Signed-off-by: Kohei Tarumizu <tarumizu.kohei@...itsu.com>
---
 MAINTAINERS                  |  1 +
 drivers/soc/Kconfig          |  1 +
 drivers/soc/Makefile         |  1 +
 drivers/soc/fujitsu/Kconfig  | 11 +++++++++++
 drivers/soc/fujitsu/Makefile |  2 ++
 5 files changed, 16 insertions(+)
 create mode 100644 drivers/soc/fujitsu/Kconfig
 create mode 100644 drivers/soc/fujitsu/Makefile

diff --git a/MAINTAINERS b/MAINTAINERS
index f6640dc053c0..b359dcc38be3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8619,6 +8619,7 @@ HARDWARE PREFETCH CONTROL DRIVERS
 M:	Kohei Tarumizu <tarumizu.kohei@...itsu.com>
 S:	Maintained
 F:	drivers/base/pfctl.c
+F:	drivers/soc/fujitsu/a64fx-pfctl.c
 F:	include/linux/pfctl.h
 
 HARDWARE RANDOM NUMBER GENERATOR CORE
diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig
index c5aae42673d3..d87754799d90 100644
--- a/drivers/soc/Kconfig
+++ b/drivers/soc/Kconfig
@@ -9,6 +9,7 @@ source "drivers/soc/atmel/Kconfig"
 source "drivers/soc/bcm/Kconfig"
 source "drivers/soc/canaan/Kconfig"
 source "drivers/soc/fsl/Kconfig"
+source "drivers/soc/fujitsu/Kconfig"
 source "drivers/soc/imx/Kconfig"
 source "drivers/soc/ixp4xx/Kconfig"
 source "drivers/soc/litex/Kconfig"
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 904eec2a7871..6c8ff1792cda 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_SOC_CANAAN)	+= canaan/
 obj-$(CONFIG_ARCH_DOVE)		+= dove/
 obj-$(CONFIG_MACH_DOVE)		+= dove/
 obj-y				+= fsl/
+obj-y				+= fujitsu/
 obj-$(CONFIG_ARCH_GEMINI)	+= gemini/
 obj-y				+= imx/
 obj-y				+= ixp4xx/
diff --git a/drivers/soc/fujitsu/Kconfig b/drivers/soc/fujitsu/Kconfig
new file mode 100644
index 000000000000..d9db05d5055d
--- /dev/null
+++ b/drivers/soc/fujitsu/Kconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+menu "Fujitsu SoC drivers"
+
+config A64FX_HWPF_CONTROL
+	tristate "A64FX Hardware Prefetch Control driver"
+	depends on ARM64 || HWPF_CONTROL
+	help
+	  This adds Hardware Prefetch driver control support for A64FX.
+
+endmenu
diff --git a/drivers/soc/fujitsu/Makefile b/drivers/soc/fujitsu/Makefile
new file mode 100644
index 000000000000..35e284a548bb
--- /dev/null
+++ b/drivers/soc/fujitsu/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_A64FX_HWPF_CONTROL)	+= a64fx-pfctl.o
-- 
2.27.0