Merge tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

[linux-drm-fsl-dcu.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 5cad0e6f35524b454ec691e1787848d322893b3b..2cdc9d422bed9245bef3e0e62a007efad80be6c1 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -907,12 +907,22 @@ struct perf_pmu_events_attr {
        const char *event_str;
 };
 
+ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr,
+                             char *page);
+
 #define PMU_EVENT_ATTR(_name, _var, _id, _show)                                \
 static struct perf_pmu_events_attr _var = {                            \
        .attr = __ATTR(_name, 0444, _show, NULL),                       \
        .id   =  _id,                                                   \
 };
 
+#define PMU_EVENT_ATTR_STRING(_name, _var, _str)                           \
+static struct perf_pmu_events_attr _var = {                                \
+       .attr           = __ATTR(_name, 0444, perf_event_sysfs_show, NULL), \
+       .id             = 0,                                                \
+       .event_str      = _str,                                             \
+};
+
 #define PMU_FORMAT_ATTR(_name, _format)                                        \
 static ssize_t                                                         \
 _name##_show(struct device *dev,                                       \