diff options
| -rw-r--r-- | drivers/nvdimm/Makefile | 2 | ||||
| -rw-r--r-- | drivers/nvdimm/nd_perf.c | 1 | ||||
| -rw-r--r-- | include/linux/nd.h | 16 |
3 files changed, 14 insertions, 5 deletions
diff --git a/drivers/nvdimm/Makefile b/drivers/nvdimm/Makefile index 3fb806748716..ba0296dca9db 100644 --- a/drivers/nvdimm/Makefile +++ b/drivers/nvdimm/Makefile @@ -15,7 +15,7 @@ nd_e820-y := e820.o libnvdimm-y := core.o libnvdimm-y += bus.o libnvdimm-y += dimm_devs.o -libnvdimm-y += nd_perf.o +libnvdimm-$(CONFIG_PERF_EVENTS) += nd_perf.o libnvdimm-y += dimm.o libnvdimm-y += region_devs.o libnvdimm-y += region.o diff --git a/drivers/nvdimm/nd_perf.c b/drivers/nvdimm/nd_perf.c index 314415894acf..433bbb68ae64 100644 --- a/drivers/nvdimm/nd_perf.c +++ b/drivers/nvdimm/nd_perf.c @@ -10,6 +10,7 @@ #define pr_fmt(fmt) "nvdimm_pmu: " fmt #include <linux/nd.h> +#include <linux/platform_device.h> #define EVENT(_name, _code) enum{_name = _code} diff --git a/include/linux/nd.h b/include/linux/nd.h index 7b2ccbdc1cbc..b9771ba1ef87 100644 --- a/include/linux/nd.h +++ b/include/linux/nd.h @@ -9,7 +9,6 @@ #include <linux/device.h> #include <linux/badblocks.h> #include <linux/perf_event.h> -#include <linux/platform_device.h> enum nvdimm_event { NVDIMM_REVALIDATE_POISON, @@ -57,15 +56,24 @@ struct nvdimm_pmu { struct cpumask arch_cpumask; }; +struct platform_device; + +#ifdef CONFIG_PERF_EVENTS extern ssize_t nvdimm_events_sysfs_show(struct device *dev, struct device_attribute *attr, char *page); int register_nvdimm_pmu(struct nvdimm_pmu *nvdimm, struct platform_device *pdev); void unregister_nvdimm_pmu(struct nvdimm_pmu *nd_pmu); -void perf_pmu_migrate_context(struct pmu *pmu, int src_cpu, int dst_cpu); -int perf_pmu_register(struct pmu *pmu, const char *name, int type); -void perf_pmu_unregister(struct pmu *pmu); + +#else +static inline int register_nvdimm_pmu(struct nvdimm_pmu *nvdimm, struct platform_device *pdev) +{ + return -ENXIO; +} + +static inline void unregister_nvdimm_pmu(struct nvdimm_pmu *nd_pmu) { } +#endif struct nd_device_driver { struct device_driver drv; |