linux-kernel - [PATCH 3/3] power: reset: sc27xx: Allow the SC27XX poweroff driver building into a module

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Message-Id: <12b6c11ec62956173fcd84581720b4e0aed54a11.1583740881.git.baolin.wang7@gmail.com>
Date:   Mon,  9 Mar 2020 16:18:46 +0800
From:   Baolin Wang <baolin.wang7@...il.com>
To:     sre@...nel.org
Cc:     baolin.wang7@...il.com, orsonzhai@...il.com, zhang.lyra@...il.com,
        kernel-team@...roid.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] power: reset: sc27xx: Allow the SC27XX poweroff driver building into a module

Change the config to 'tristate' and use module_platform_driver() to
allow the SC27XX poweroff driver building into a module, as well as
adding some mudule information.

Signed-off-by: Baolin Wang <baolin.wang7@...il.com>
---
 drivers/power/reset/Kconfig           | 2 +-
 drivers/power/reset/sc27xx-poweroff.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
index 513efe8..8903803 100644
--- a/drivers/power/reset/Kconfig
+++ b/drivers/power/reset/Kconfig
@@ -248,7 +248,7 @@ config SYSCON_REBOOT_MODE
 	  action according to the mode.
 
 config POWER_RESET_SC27XX
-	bool "Spreadtrum SC27xx PMIC power-off driver"
+	tristate "Spreadtrum SC27xx PMIC power-off driver"
 	depends on MFD_SC27XX_PMIC || COMPILE_TEST
 	help
 	  This driver supports powering off a system through
diff --git a/drivers/power/reset/sc27xx-poweroff.c b/drivers/power/reset/sc27xx-poweroff.c
index 91b5ece..6986307 100644
--- a/drivers/power/reset/sc27xx-poweroff.c
+++ b/drivers/power/reset/sc27xx-poweroff.c
@@ -6,6 +6,7 @@
 
 #include <linux/cpu.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/regmap.h>
@@ -71,4 +72,8 @@ static int sc27xx_poweroff_probe(struct platform_device *pdev)
 		.name = "sc27xx-poweroff",
 	},
 };
-builtin_platform_driver(sc27xx_poweroff_driver);
+module_platform_driver(sc27xx_poweroff_driver);
+
+MODULE_DESCRIPTION("Power off driver for SC27XX PMIC Device");
+MODULE_AUTHOR("Baolin Wang <baolin.wang@...soc.com>");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1