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platform/x86/intel/tpmi: ADD tpmi external interface for tpmi feature drivers

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Add interface to get resources and platform data. This will avoid code
duplication. These interfaces includes:
- Get resource count
- Get resource at an index

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230202010738.2186174-7-srinivas.pandruvada@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Srinivas Pandruvada 2023-02-01 17:07:37 -08:00 committed by Hans de Goede
parent 762ed31357
commit 6d957f1e16
2 changed files with 24 additions and 0 deletions
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22
drivers/platform/x86/intel/tpmi.c
View file

@ -153,6 +153,28 @@ struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *aux
}
EXPORT_SYMBOL_NS_GPL(tpmi_get_platform_data, INTEL_TPMI);
int tpmi_get_resource_count(struct auxiliary_device *auxdev)
{
struct intel_vsec_device *vsec_dev = auxdev_to_ivdev(auxdev);
if (vsec_dev)
return vsec_dev->num_resources;
return 0;
}
EXPORT_SYMBOL_NS_GPL(tpmi_get_resource_count, INTEL_TPMI);
struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index)
{
struct intel_vsec_device *vsec_dev = auxdev_to_ivdev(auxdev);
if (vsec_dev && index < vsec_dev->num_resources)
return &vsec_dev->resource[index];
return NULL;
}
EXPORT_SYMBOL_NS_GPL(tpmi_get_resource_at_index, INTEL_TPMI);
static const char *intel_tpmi_name(enum intel_tpmi_id id)
{
switch (id) {

2
include/linux/intel_tpmi.h
View file

@ -24,5 +24,7 @@ struct intel_tpmi_plat_info {
};
struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev);
struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index);
int tpmi_get_resource_count(struct auxiliary_device *auxdev);
#endif