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perf: xgene: Parse PMU subnode from the match table 

This patch parses PMU Subnode from a match table.

Signed-off-by: Hoan Tran <hotran@apm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
zero-colors
Hoan Tran 2017-06-22 19:26:03 +01:00 committed by Will Deacon
parent bddb9b68d3
commit 838955e2a3
1 changed files with 30 additions and 10 deletions
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40
drivers/perf/xgene_pmu.c
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@ -1047,9 +1047,35 @@ err:
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;