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platform/x86/dell: dell-pc: Create platform device

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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.

Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20241206031918.1537-3-mario.limonciello@amd.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Mario Limonciello
2024-12-05 21:18:58 -06:00
committed by Ilpo Järvinen
parent 549de562d7
commit 7c63fe4dcd
1 changed files with 24 additions and 10 deletions
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34
drivers/platform/x86/dell/dell-pc.c
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@@ -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 +247,15 @@ static int thermal_init(void)
if (!supported_modes)
return 0;
thermal_handler = kzalloc(sizeof(*thermal_handler), GFP_KERNEL);
if (!thermal_handler)
return -ENOMEM;
platform_device = platform_device_register_simple("dell-pc", PLATFORM_DEVID_NONE, NULL, 0);
if (IS_ERR(platform_device))
return PTR_ERR(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 +271,25 @@ 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_unregister(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)