This patch set add hardware sampling support for csky-pmu, and
also add some properties to pmu node definition. perf can record
on hardware event with this patch applied.
Cc: Guo Ren <guo...@kernel.org>
Changes since v3:
- change reg-io-width to count-width
- use macro sign_extend64
- update commit log
Changes since v2:
- update dt-binding(csky pmu use rising edge interrupt)
- use cpuhp_setup_state to enable irq(fix irq enable on smp)
Changes since v1:
- do not update hpcr when event type is invalid(fix option
--all-kernel/--all-user)
Guo Ren (1):
csky: Fixup some error count in 810 & 860.
Mao Han (5):
csky: Init pmu as a device
csky: Add count-width property for csky pmu
csky: Add pmu interrupt support
dt-bindings: csky: Add csky PMU bindings
csky: Fix perf record in kernel/user space
Documentation/devicetree/bindings/csky/pmu.txt | 38 +++
arch/csky/kernel/perf_event.c | 424 +++++++++++++++++++++++--
2 files changed, 441 insertions(+), 21 deletions(-)
create mode 100644 Documentation/devicetree/bindings/csky/pmu.txt
--
2.7.4
