Commit 098d4efb authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by jiayingbao
Browse files

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

mainline inclusion
from mainline-v6.3-rc1
commit 6d957f1e
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8WOEC

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d957f1e1646039f51fe1f6c6060738f648c4c70



-------------------------------------

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

Intel-SIG: commit 6d957f1e platform/x86/intel/tpmi: ADD tpmi external interface for tpmi feature drivers.
Backport Intel_tpmi base driver.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230202010738.2186174-7-srinivas.pandruvada@linux.intel.com


Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
[ Yingbao Jia: amend commit log ]
Signed-off-by: default avatarYingbao Jia <yingbao.jia@intel.com>
parent 38da715a

drivers/platform/x86/intel_vsec_tpmi.c

+22 −0
Original line number Diff line number Diff line
@@ -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) {

include/linux/intel_tpmi.h

+2 −0
Original line number Diff line number Diff line
@@ -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