summaryrefslogtreecommitdiff
path: root/drivers/platform
diff options
context:
space:
mode:
authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2023-02-01 17:07:37 -0800
committerHans de Goede <hdegoede@redhat.com>2023-02-06 13:47:40 +0100
commit6d957f1e1646039f51fe1f6c6060738f648c4c70 (patch)
tree6c515aeb7e27754108824b327358d295df30d74c /drivers/platform
parent762ed313574652ac604fb95dd601232a6e0320ef (diff)
downloadlwn-6d957f1e1646039f51fe1f6c6060738f648c4c70.tar.gz
lwn-6d957f1e1646039f51fe1f6c6060738f648c4c70.zip
platform/x86/intel/tpmi: ADD tpmi external interface for tpmi feature drivers
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/intel/tpmi.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
index e612da579b29..c60733261c89 100644
--- a/drivers/platform/x86/intel/tpmi.c
+++ b/drivers/platform/x86/intel/tpmi.c
@@ -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) {