linux-kernel - [PATCH 5/5] power: vexpress: make the reset driver a module

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Message-Id: <20200527112608.3886105-6-anders.roxell@linaro.org>
Date:   Wed, 27 May 2020 13:26:08 +0200
From:   Anders Roxell <anders.roxell@...aro.org>
To:     soc@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        robh@...nel.org, linus.walleij@...aro.org,
        Anders Roxell <anders.roxell@...aro.org>
Subject: [PATCH 5/5] power: vexpress: make the reset driver a module

Today the vexpress power driver can only be builtin.  Rework so it's
possible for the vexpress power driver to be a module.

Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
---
 arch/arm/mach-vexpress/Kconfig          |  1 -
 drivers/power/reset/Kconfig             |  5 +++--
 drivers/power/reset/vexpress-poweroff.c | 12 +++++++++++-
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 065e12991663..4b54d8cf897d 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -15,7 +15,6 @@ menuconfig ARCH_VEXPRESS
 	select NO_IOPORT_MAP
 	select PLAT_VERSATILE
 	select POWER_RESET
-	select POWER_RESET_VEXPRESS
 	select POWER_SUPPLY
 	select REGULATOR if MMC_ARMMMCI
 	select REGULATOR_FIXED_VOLTAGE if REGULATOR
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
index f07b982c8dff..8468d42b0198 100644
--- a/drivers/power/reset/Kconfig
+++ b/drivers/power/reset/Kconfig
@@ -189,9 +189,10 @@ config POWER_RESET_VERSATILE
 	  reference boards.
 
 config POWER_RESET_VEXPRESS
-	bool "ARM Versatile Express power-off and reset driver"
+	tristate "ARM Versatile Express power-off and reset driver"
 	depends on ARM || ARM64
-	depends on VEXPRESS_CONFIG=y
+	depends on VEXPRESS_CONFIG
+	default VEXPRESS_CONFIG
 	help
 	  Power off and reset support for the ARM Ltd. Versatile
 	  Express boards.
diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c
index 1fdbcbd95fc2..b1eef95132d9 100644
--- a/drivers/power/reset/vexpress-poweroff.c
+++ b/drivers/power/reset/vexpress-poweroff.c
@@ -5,6 +5,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -146,4 +147,13 @@ static struct platform_driver vexpress_reset_driver = {
 		.suppress_bind_attrs = true,
 	},
 };
-builtin_platform_driver(vexpress_reset_driver);
+
+static int __init vexpress_reset_init(void)
+{
+	return platform_driver_register(&vexpress_reset_driver);
+}
+module_init(vexpress_reset_init);
+
+MODULE_AUTHOR("Pawel Moll <pawel.moll@....com>");
+MODULE_DESCRIPTION("Vexpress reset driver");
+MODULE_LICENSE("GPL v2");
-- 
2.26.2