diff options
| author | Joakim Zhang <qiangqing.zhang@nxp.com> | 2020-11-30 14:42:02 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-12-09 17:14:02 +0300 |
| commit | 881b0520504a2e028a28ddacc05c26e46f21d483 (patch) | |
| tree | ec0085b30119f45abddc4bc1dcb50cac77285076 /arch/arm64 | |
| parent | d0c00977a16a1c785b3e9a3b95026ea5ac27cfb5 (diff) | |
| download | linux-881b0520504a2e028a28ddacc05c26e46f21d483.tar.xz | |
perf/imx_ddr: Add system PMU identifier for userspace
The DDR Perf for i.MX8 is a system PMU whose AXI ID would different from
SoC to SoC. Need expose system PMU identifier for userspace which refer
to /sys/bus/event_source/devices/<PMU DEVICE>/identifier.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/20201130114202.26057-3-qiangqing.zhang@nxp.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
0 files changed, 0 insertions, 0 deletions