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Commit 6dd1ad1f authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Sebastian Reichel
Browse files

power/reset: at91-poweroff: allow compiling as a module 



It was not possible to compile at91-poweroff as a module. Implement
.remove() to allow it. Also switch to module_platform_driver_probe() as it
is not hotpluggable.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent 2b2c6148

drivers/power/reset/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ config POWER_RESET_AS3722 
	  This driver supports turning off board via a ams AS3722 power-off.



config POWER_RESET_AT91_POWEROFF

	bool "Atmel AT91 poweroff driver"

	tristate "Atmel AT91 poweroff driver"

	depends on ARCH_AT91

	default SOC_AT91SAM9 || SOC_SAMA5

	help

drivers/power/reset/at91-poweroff.c

+15 −3
Original line number Diff line number Diff line
@@ -119,7 +119,7 @@ static void at91_poweroff_dt_set_wakeup_mode(struct platform_device *pdev) 
	writel(wakeup_mode | mode, at91_shdwc_base + AT91_SHDW_MR);

}



static int at91_poweroff_probe(struct platform_device *pdev)

static int __init at91_poweroff_probe(struct platform_device *pdev)

{

	struct resource *res;
@@ -140,6 +140,14 @@ static int at91_poweroff_probe(struct platform_device *pdev) 
	return 0;

}



static int __exit at91_poweroff_remove(struct platform_device *pdev)

{

	if (pm_power_off == at91_poweroff)

		pm_power_off = NULL;



	return 0;

}



static const struct of_device_id at91_poweroff_of_match[] = {

	{ .compatible = "atmel,at91sam9260-shdwc", },

	{ .compatible = "atmel,at91sam9rl-shdwc", },
@@ -148,10 +156,14 @@ static const struct of_device_id at91_poweroff_of_match[] = { 
};



static struct platform_driver at91_poweroff_driver = {

	.probe = at91_poweroff_probe,

	.remove = __exit_p(at91_poweroff_remove),

	.driver = {

		.name = "at91-poweroff",

		.of_match_table = at91_poweroff_of_match,

	},

};

module_platform_driver(at91_poweroff_driver);
 
module_platform_driver_probe(at91_poweroff_driver, at91_poweroff_probe);



MODULE_AUTHOR("Atmel Corporation");

MODULE_DESCRIPTION("Shutdown driver for Atmel SoCs");

MODULE_LICENSE("GPL v2");