diff options
Diffstat (limited to 'drivers/perf/arm-ccn.c')
| -rw-r--r-- | drivers/perf/arm-ccn.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index 728d13d8e98a..1a0d0e1a2263 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -215,18 +215,9 @@ static void arm_ccn_pmu_config_set(u64 *config, u32 node_xp, u32 type, u32 port) *config |= (node_xp << 0) | (type << 8) | (port << 24); } -static ssize_t arm_ccn_pmu_format_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct dev_ext_attribute *ea = container_of(attr, - struct dev_ext_attribute, attr); - - return sysfs_emit(buf, "%s\n", (char *)ea->var); -} - #define CCN_FORMAT_ATTR(_name, _config) \ struct dev_ext_attribute arm_ccn_pmu_format_attr_##_name = \ - { __ATTR(_name, S_IRUGO, arm_ccn_pmu_format_show, \ + { __ATTR(_name, S_IRUGO, device_show_string, \ NULL), _config } static CCN_FORMAT_ATTR(node, "config:0-7"); @@ -1265,6 +1256,7 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn) /* Perf driver registration */ ccn->dt.pmu = (struct pmu) { .module = THIS_MODULE, + .parent = ccn->dev, .attr_groups = arm_ccn_pmu_attr_groups, .task_ctx_nr = perf_invalid_context, .event_init = arm_ccn_pmu_event_init, @@ -1281,9 +1273,8 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn) /* No overflow interrupt? Have to use a timer instead. */ if (!ccn->irq) { dev_info(ccn->dev, "No access to interrupts, using timer.\n"); - hrtimer_init(&ccn->dt.hrtimer, CLOCK_MONOTONIC, - HRTIMER_MODE_REL); - ccn->dt.hrtimer.function = arm_ccn_pmu_timer_handler; + hrtimer_setup(&ccn->dt.hrtimer, arm_ccn_pmu_timer_handler, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); } /* Pick one CPU which we will use to collect data from CCN... */ @@ -1515,13 +1506,11 @@ static int arm_ccn_probe(struct platform_device *pdev) return arm_ccn_pmu_init(ccn); } -static int arm_ccn_remove(struct platform_device *pdev) +static void arm_ccn_remove(struct platform_device *pdev) { struct arm_ccn *ccn = platform_get_drvdata(pdev); arm_ccn_pmu_cleanup(ccn); - - return 0; } static const struct of_device_id arm_ccn_match[] = { @@ -1571,4 +1560,5 @@ module_init(arm_ccn_init); module_exit(arm_ccn_exit); MODULE_AUTHOR("Pawel Moll <pawel.moll@arm.com>"); +MODULE_DESCRIPTION("ARM CCN (Cache Coherent Network) Performance Monitor Driver"); MODULE_LICENSE("GPL v2"); |