diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/platform/x86/intel/int3472/intel_skl_int3472_common.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/drivers/platform/x86/intel/int3472/intel_skl_int3472_common.c b/drivers/platform/x86/intel/int3472/intel_skl_int3472_common.c deleted file mode 100644 index 497e74fba75f..000000000000 --- a/drivers/platform/x86/intel/int3472/intel_skl_int3472_common.c +++ /dev/null @@ -1,106 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Author: Dan Scally <djrscally@gmail.com> */ - -#include <linux/acpi.h> -#include <linux/i2c.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -#include "intel_skl_int3472_common.h" - -union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev, char *id) -{ - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_handle handle = adev->handle; - union acpi_object *obj; - acpi_status status; - - status = acpi_evaluate_object(handle, id, NULL, &buffer); - if (ACPI_FAILURE(status)) - return ERR_PTR(-ENODEV); - - obj = buffer.pointer; - if (!obj) - return ERR_PTR(-ENODEV); - - if (obj->type != ACPI_TYPE_BUFFER) { - acpi_handle_err(handle, "%s object is not an ACPI buffer\n", id); - kfree(obj); - return ERR_PTR(-EINVAL); - } - - return obj; -} - -int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb) -{ - union acpi_object *obj; - int ret; - - obj = skl_int3472_get_acpi_buffer(adev, "CLDB"); - if (IS_ERR(obj)) - return PTR_ERR(obj); - - if (obj->buffer.length > sizeof(*cldb)) { - acpi_handle_err(adev->handle, "The CLDB buffer is too large\n"); - ret = -EINVAL; - goto out_free_obj; - } - - memcpy(cldb, obj->buffer.pointer, obj->buffer.length); - ret = 0; - -out_free_obj: - kfree(obj); - return ret; -} - -static const struct acpi_device_id int3472_device_id[] = { - { "INT3472", 0 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, int3472_device_id); - -static struct platform_driver int3472_discrete = { - .driver = { - .name = "int3472-discrete", - .acpi_match_table = int3472_device_id, - }, - .probe = skl_int3472_discrete_probe, - .remove = skl_int3472_discrete_remove, -}; - -static struct i2c_driver int3472_tps68470 = { - .driver = { - .name = "int3472-tps68470", - .acpi_match_table = int3472_device_id, - }, - .probe_new = skl_int3472_tps68470_probe, -}; - -static int skl_int3472_init(void) -{ - int ret; - - ret = platform_driver_register(&int3472_discrete); - if (ret) - return ret; - - ret = i2c_register_driver(THIS_MODULE, &int3472_tps68470); - if (ret) - platform_driver_unregister(&int3472_discrete); - - return ret; -} -module_init(skl_int3472_init); - -static void skl_int3472_exit(void) -{ - platform_driver_unregister(&int3472_discrete); - i2c_del_driver(&int3472_tps68470); -} -module_exit(skl_int3472_exit); - -MODULE_DESCRIPTION("Intel SkyLake INT3472 ACPI Device Driver"); -MODULE_AUTHOR("Daniel Scally <djrscally@gmail.com>"); -MODULE_LICENSE("GPL v2"); |