diff options
| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-08-11 11:12:49 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2015-09-22 15:18:53 +0200 |
| commit | 6dd1ad1f236e7e683e92efd6b5b3953615900701 (patch) | |
| tree | c09019d2e4a890eb1d4c711b0f524297b0321e87 /drivers | |
| parent | 2b2c6148fe851042cefbf272146b77634a4da39d (diff) | |
| download | linux-6dd1ad1f236e7e683e92efd6b5b3953615900701.tar.bz2 | |
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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/reset/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/power/reset/at91-poweroff.c | 18 |
2 files changed, 16 insertions, 4 deletions
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 5cec1d9fdd47..1131cf75acc6 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -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 diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c index 9847cfb7e23d..3e698d916c4f 100644 --- a/drivers/power/reset/at91-poweroff.c +++ b/drivers/power/reset/at91-poweroff.c @@ -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"); |