diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/Makefile | 1 | ||||
| -rw-r--r-- | drivers/cpufreq/powernv-cpufreq.c | 4 | ||||
| -rw-r--r-- | drivers/cpufreq/powernv-trace.h | 44 | ||||
| -rw-r--r-- | drivers/cpufreq/rcpufreq_dt.rs | 5 |
4 files changed, 50 insertions, 4 deletions
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index d38526b8e063..681d687b5a18 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_CPUFREQ_VIRT) += virtual-cpufreq.o # Traces CFLAGS_amd-pstate-trace.o := -I$(src) +CFLAGS_powernv-cpufreq.o := -I$(src) amd_pstate-y := amd-pstate.o amd-pstate-trace.o ################################################################################## diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index a8943e2a93be..7d9a5f656de8 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -21,7 +21,6 @@ #include <linux/string_choices.h> #include <linux/cpu.h> #include <linux/hashtable.h> -#include <trace/events/power.h> #include <asm/cputhreads.h> #include <asm/firmware.h> @@ -30,6 +29,9 @@ #include <asm/opal.h> #include <linux/timer.h> +#define CREATE_TRACE_POINTS +#include "powernv-trace.h" + #define POWERNV_MAX_PSTATES_ORDER 8 #define POWERNV_MAX_PSTATES (1UL << (POWERNV_MAX_PSTATES_ORDER)) #define PMSR_PSAFE_ENABLE (1UL << 30) diff --git a/drivers/cpufreq/powernv-trace.h b/drivers/cpufreq/powernv-trace.h new file mode 100644 index 000000000000..8cadb7c9427b --- /dev/null +++ b/drivers/cpufreq/powernv-trace.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#if !defined(_POWERNV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _POWERNV_TRACE_H + +#include <linux/cpufreq.h> +#include <linux/tracepoint.h> +#include <linux/trace_events.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM power + +TRACE_EVENT(powernv_throttle, + + TP_PROTO(int chip_id, const char *reason, int pmax), + + TP_ARGS(chip_id, reason, pmax), + + TP_STRUCT__entry( + __field(int, chip_id) + __string(reason, reason) + __field(int, pmax) + ), + + TP_fast_assign( + __entry->chip_id = chip_id; + __assign_str(reason); + __entry->pmax = pmax; + ), + + TP_printk("Chip %d Pmax %d %s", __entry->chip_id, + __entry->pmax, __get_str(reason)) +); + +#endif /* _POWERNV_TRACE_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE powernv-trace + +#include <trace/define_trace.h> diff --git a/drivers/cpufreq/rcpufreq_dt.rs b/drivers/cpufreq/rcpufreq_dt.rs index 9ad85fe6fd05..7e1fbf9a091f 100644 --- a/drivers/cpufreq/rcpufreq_dt.rs +++ b/drivers/cpufreq/rcpufreq_dt.rs @@ -9,7 +9,6 @@ use kernel::{ cpumask::CpumaskVar, device::{Core, Device}, error::code::*, - fmt, macros::vtable, module_platform_driver, of, opp, platform, prelude::*, @@ -19,7 +18,7 @@ use kernel::{ /// Finds exact supply name from the OF node. fn find_supply_name_exact(dev: &Device, name: &str) -> Option<CString> { - let prop_name = CString::try_from_fmt(fmt!("{}-supply", name)).ok()?; + let prop_name = CString::try_from_fmt(fmt!("{name}-supply")).ok()?; dev.fwnode()? .property_present(&prop_name) .then(|| CString::try_from_fmt(fmt!("{name}")).ok()) @@ -221,7 +220,7 @@ impl platform::Driver for CPUFreqDTDriver { module_platform_driver! { type: CPUFreqDTDriver, name: "cpufreq-dt", - author: "Viresh Kumar <viresh.kumar@linaro.org>", + authors: ["Viresh Kumar <viresh.kumar@linaro.org>"], description: "Generic CPUFreq DT driver", license: "GPL v2", } |