diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thermal/int340x_thermal/int3400_thermal.c | 172 |
1 files changed, 13 insertions, 159 deletions
diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c index 9104b4f9381b..edc1cce117ba 100644 --- a/drivers/thermal/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c @@ -14,33 +14,7 @@ #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/thermal.h> - -struct art { - acpi_handle source; - acpi_handle target; - u64 weight; - u64 ac0_max; - u64 ac1_max; - u64 ac2_max; - u64 ac3_max; - u64 ac4_max; - u64 ac5_max; - u64 ac6_max; - u64 ac7_max; - u64 ac8_max; - u64 ac9_max; -}; - -struct trt { - acpi_handle source; - acpi_handle target; - u64 influence; - u64 sampling_period; - u64 reverved1; - u64 reverved2; - u64 reverved3; - u64 reverved4; -}; +#include "acpi_thermal_rel.h" enum int3400_thermal_uuid { INT3400_THERMAL_PASSIVE_1, @@ -68,6 +42,7 @@ struct int3400_thermal_priv { int trt_count; struct trt *trts; u8 uuid_bitmap; + int rel_misc_dev_res; }; static int int3400_thermal_get_uuids(struct int3400_thermal_priv *priv) @@ -146,136 +121,6 @@ static int int3400_thermal_run_osc(acpi_handle handle, return result; } - -static int parse_art(struct int3400_thermal_priv *priv) -{ - acpi_handle handle = priv->adev->handle; - acpi_status status; - int result = 0; - int i; - struct acpi_device *adev; - union acpi_object *p; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - struct acpi_buffer element = { 0, NULL }; - struct acpi_buffer art_format = { - sizeof("RRNNNNNNNNNNN"), "RRNNNNNNNNNNN" }; - - if (!acpi_has_method(handle, "_ART")) - return 0; - - status = acpi_evaluate_object(handle, "_ART", NULL, &buffer); - if (ACPI_FAILURE(status)) - return -ENODEV; - - p = buffer.pointer; - if (!p || (p->type != ACPI_TYPE_PACKAGE)) { - pr_err("Invalid _ART data\n"); - result = -EFAULT; - goto end; - } - - /* ignore p->package.elements[0], as this is _ART Revision field */ - priv->art_count = p->package.count - 1; - priv->arts = kzalloc(sizeof(struct art) * priv->art_count, GFP_KERNEL); - if (!priv->arts) { - result = -ENOMEM; - goto end; - } - - for (i = 0; i < priv->art_count; i++) { - struct art *art = &(priv->arts[i]); - - element.length = sizeof(struct art); - element.pointer = art; - - status = acpi_extract_package(&(p->package.elements[i + 1]), - &art_format, &element); - if (ACPI_FAILURE(status)) { - pr_err("Invalid _ART data"); - result = -EFAULT; - kfree(priv->arts); - goto end; - } - result = acpi_bus_get_device(art->source, &adev); - if (!result) - acpi_create_platform_device(adev, NULL); - else - pr_warn("Failed to get source ACPI device\n"); - result = acpi_bus_get_device(art->target, &adev); - if (!result) - acpi_create_platform_device(adev, NULL); - else - pr_warn("Failed to get source ACPI device\n"); - } -end: - kfree(buffer.pointer); - return result; -} - -static int parse_trt(struct int3400_thermal_priv *priv) -{ - acpi_handle handle = priv->adev->handle; - acpi_status status; - int result = 0; - int i; - struct acpi_device *adev; - union acpi_object *p; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - struct acpi_buffer element = { 0, NULL }; - struct acpi_buffer trt_format = { sizeof("RRNNNNNN"), "RRNNNNNN" }; - - if (!acpi_has_method(handle, "_TRT")) - return 0; - - status = acpi_evaluate_object(handle, "_TRT", NULL, &buffer); - if (ACPI_FAILURE(status)) - return -ENODEV; - - p = buffer.pointer; - if (!p || (p->type != ACPI_TYPE_PACKAGE)) { - pr_err("Invalid _TRT data\n"); - result = -EFAULT; - goto end; - } - - priv->trt_count = p->package.count; - priv->trts = kzalloc(sizeof(struct trt) * priv->trt_count, GFP_KERNEL); - if (!priv->trts) { - result = -ENOMEM; - goto end; - } - - for (i = 0; i < priv->trt_count; i++) { - struct trt *trt = &(priv->trts[i]); - - element.length = sizeof(struct trt); - element.pointer = trt; - - status = acpi_extract_package(&(p->package.elements[i]), - &trt_format, &element); - if (ACPI_FAILURE(status)) { - pr_err("Invalid _ART data"); - result = -EFAULT; - kfree(priv->trts); - goto end; - } - - result = acpi_bus_get_device(trt->source, &adev); - if (!result) - acpi_create_platform_device(adev, NULL); - else - pr_warn("Failed to get source ACPI device\n"); - result = acpi_bus_get_device(trt->target, &adev); - if (!result) - acpi_create_platform_device(adev, NULL); - else - pr_warn("Failed to get target ACPI device\n"); - } -end: - kfree(buffer.pointer); - return result; -} - static int int3400_thermal_get_temp(struct thermal_zone_device *thermal, unsigned long *temp) { @@ -350,11 +195,14 @@ static int int3400_thermal_probe(struct platform_device *pdev) if (result) goto free_priv; - result = parse_art(priv); + result = acpi_parse_art(priv->adev->handle, &priv->art_count, + &priv->arts, true); if (result) goto free_priv; - result = parse_trt(priv); + + result = acpi_parse_trt(priv->adev->handle, &priv->trt_count, + &priv->trts, true); if (result) goto free_art; @@ -372,6 +220,9 @@ static int int3400_thermal_probe(struct platform_device *pdev) goto free_trt; } + priv->rel_misc_dev_res = acpi_thermal_rel_misc_device_add( + priv->adev->handle); + return 0; free_trt: kfree(priv->trts); @@ -386,6 +237,9 @@ static int int3400_thermal_remove(struct platform_device *pdev) { struct int3400_thermal_priv *priv = platform_get_drvdata(pdev); + if (!priv->rel_misc_dev_res) + acpi_thermal_rel_misc_device_remove(priv->adev->handle); + thermal_zone_device_unregister(priv->thermal); kfree(priv->trts); kfree(priv->arts); |