In order to have a device for the platform profile core to reference create a platform device for dell-pc. While doing this change the memory allocation for the thermal handler to be device managed to follow the lifecycle of that device. Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- drivers/platform/x86/dell/dell-pc.c | 35 +++++++++++++++++++++-------- 1 file changed, 26 insertions(+), 9 deletions(-) diff --git a/drivers/platform/x86/dell/dell-pc.c b/drivers/platform/x86/dell/dell-pc.c index 3cf79e55e3129..b145fedb6b710 100644 --- a/drivers/platform/x86/dell/dell-pc.c +++ b/drivers/platform/x86/dell/dell-pc.c @@ -18,10 +18,13 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_profile.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include "dell-smbios.h" +static struct platform_device *platform_device; + static const struct dmi_system_id dell_device_table[] __initconst = { { .ident = "Dell Inc.", @@ -244,9 +247,18 @@ static int thermal_init(void) if (!supported_modes) return 0; - thermal_handler = kzalloc(sizeof(*thermal_handler), GFP_KERNEL); - if (!thermal_handler) + platform_device = platform_device_alloc("dell-pc", PLATFORM_DEVID_NONE); + if (!platform_device) return -ENOMEM; + ret = platform_device_add(platform_device); + if (ret) + goto cleanup_platform_device; + + thermal_handler = devm_kzalloc(&platform_device->dev, sizeof(*thermal_handler), GFP_KERNEL); + if (!thermal_handler) { + ret = -ENOMEM; + goto cleanup_platform_device; + } thermal_handler->name = "dell-pc"; thermal_handler->profile_get = thermal_platform_profile_get; thermal_handler->profile_set = thermal_platform_profile_set; @@ -262,20 +274,25 @@ static int thermal_init(void) /* Clean up if failed */ ret = platform_profile_register(thermal_handler); - if (ret) { - kfree(thermal_handler); - thermal_handler = NULL; - } + if (ret) + goto cleanup_thermal_handler; + + return 0; + +cleanup_thermal_handler: + thermal_handler = NULL; + +cleanup_platform_device: + platform_device_del(platform_device); return ret; } static void thermal_cleanup(void) { - if (thermal_handler) { + if (thermal_handler) platform_profile_remove(); - kfree(thermal_handler); - } + platform_device_unregister(platform_device); } static int __init dell_init(void) -- 2.43.0