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(parent: ed0207a) | patch
perf/imx_ddr: Dump AXI ID filter info to userspace
authorJoakim Zhang <qiangqing.zhang@nxp.com>
Mon, 4 Nov 2019 07:09:24 +0000 (07:09 +0000)
committerWill Deacon <will@kernel.org>
Mon, 4 Nov 2019 17:25:16 +0000 (17:25 +0000)
commitf1d303a1b5dd75d18734a2ca56ca90691639a79d
tree5c01577671f7fc3cdd18f15990d0c409b6beddebtree | snapshot
parented0207a33adda11db88c9c3b6066f0c6051119fecommit | diff
perf/imx_ddr: Dump AXI ID filter info to userspace

caps/filter indicates whether HW supports AXI ID filter or not.
caps/enhanced_filter indicates whether HW supports enhanced AXI ID filter
or not.

Users can check filter features from userspace with these attributions.

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
[will: reworked cap switch to be less error-prone]
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/fsl_imx8_ddr_perf.c diff | blob | history
Domain: System / Kernel;