diff options
| author | Mark Rutland <mark.rutland@arm.com> | 2017-04-11 09:39:57 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-04-11 16:29:54 +0100 |
| commit | f00fa5f4163b40c3ec8590d9a7bd845c19bf8d16 (patch) | |
| tree | 0b78d7b6459597f70def23ada56b82c8ec21fdc5 /arch/arm64/kernel | |
| parent | f1b36dcb5c316c276ca6faedc50d89d97f90d960 (diff) | |
| download | linux-f00fa5f4163b40c3ec8590d9a7bd845c19bf8d16.tar.bz2 | |
arm64: pmuv3: use arm_pmu ACPI framework
Now that we have a framework to handle the ACPI bits, make the PMUv3
code use this. The framework is a little different to what was
originally envisaged, and we can drop some unused support code in the
process of moving over to it.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
[will: make armv8_pmu_driver_init static]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 53f235465fc4..98c749394c4b 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1136,24 +1136,9 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = { {}, }; -/* - * Non DT systems have their micro/arch events probed at run-time. - * A fairly complete list of generic events are provided and ones that - * aren't supported by the current PMU are disabled. - */ -static const struct pmu_probe_info armv8_pmu_probe_table[] = { - PMU_PROBE(0, 0, armv8_pmuv3_init), /* enable all defined counters */ - { /* sentinel value */ } -}; - static int armv8_pmu_device_probe(struct platform_device *pdev) { - if (acpi_disabled) - return arm_pmu_device_probe(pdev, armv8_pmu_of_device_ids, - NULL); - - return arm_pmu_device_probe(pdev, armv8_pmu_of_device_ids, - armv8_pmu_probe_table); + return arm_pmu_device_probe(pdev, armv8_pmu_of_device_ids, NULL); } static struct platform_driver armv8_pmu_driver = { @@ -1164,4 +1149,11 @@ static struct platform_driver armv8_pmu_driver = { .probe = armv8_pmu_device_probe, }; -builtin_platform_driver(armv8_pmu_driver); +static int __init armv8_pmu_driver_init(void) +{ + if (acpi_disabled) + return platform_driver_register(&armv8_pmu_driver); + else + return arm_pmu_acpi_probe(armv8_pmuv3_init); +} +device_initcall(armv8_pmu_driver_init) |