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Commit 838955e2 authored by Hoan Tran's avatar Hoan Tran Committed by Will Deacon
Browse files

perf: xgene: Parse PMU subnode from the match table 



This patch parses PMU Subnode from a match table.

Signed-off-by: default avatarHoan Tran <hotran@apm.com>
Signed-off-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent bddb9b68

drivers/perf/xgene_pmu.c

+30 −10
Original line number Diff line number Diff line
@@ -1047,9 +1047,35 @@ xgene_pmu_dev_ctx *acpi_get_pmu_hw_inf(struct xgene_pmu *xgene_pmu, 
	return NULL;

}



static const struct acpi_device_id xgene_pmu_acpi_type_match[] = {

	{"APMC0D5D", PMU_TYPE_L3C},

	{"APMC0D5E", PMU_TYPE_IOB},

	{"APMC0D5F", PMU_TYPE_MCB},

	{"APMC0D60", PMU_TYPE_MC},

	{},

};



static const struct acpi_device_id *xgene_pmu_acpi_match_type(

					const struct acpi_device_id *ids,

					struct acpi_device *adev)

{

	const struct acpi_device_id *match_id = NULL;

	const struct acpi_device_id *id;



	for (id = ids; id->id[0] || id->cls; id++) {

		if (!acpi_match_device_ids(adev, id))

			match_id = id;

		else if (match_id)

			break;

	}



	return match_id;

}



static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level,

				    void *data, void **return_value)

{

	const struct acpi_device_id *acpi_id;

	struct xgene_pmu *xgene_pmu = data;

	struct xgene_pmu_dev_ctx *ctx;

	struct acpi_device *adev;
@@ -1059,17 +1085,11 @@ static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level, 
	if (acpi_bus_get_status(adev) || !adev->status.present)

		return AE_OK;



	if (!strcmp(acpi_device_hid(adev), "APMC0D5D"))

		ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_L3C);

	else if (!strcmp(acpi_device_hid(adev), "APMC0D5E"))

		ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_IOB);

	else if (!strcmp(acpi_device_hid(adev), "APMC0D5F"))

		ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_MCB);

	else if (!strcmp(acpi_device_hid(adev), "APMC0D60"))

		ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_MC);

	else

		ctx = NULL;

	acpi_id = xgene_pmu_acpi_match_type(xgene_pmu_acpi_type_match, adev);

	if (!acpi_id)

		return AE_OK;



	ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, (u32)acpi_id->driver_data);

	if (!ctx)

		return AE_OK;