diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm3x-sysfs.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c index fd81eca3ec18..762109307b86 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c @@ -50,11 +50,11 @@ static ssize_t etmsr_show(struct device *dev, pm_runtime_get_sync(dev->parent); spin_lock_irqsave(&drvdata->spinlock, flags); - CS_UNLOCK(drvdata->base); + CS_UNLOCK(drvdata->csa.base); val = etm_readl(drvdata, ETMSR); - CS_LOCK(drvdata->base); + CS_LOCK(drvdata->csa.base); spin_unlock_irqrestore(&drvdata->spinlock, flags); pm_runtime_put(dev->parent); @@ -85,6 +85,7 @@ static ssize_t reset_store(struct device *dev, } etm_set_default(config); + etm_release_trace_id(drvdata); spin_unlock(&drvdata->spinlock); } @@ -721,7 +722,7 @@ static ssize_t cntr_val_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - if (!local_read(&drvdata->mode)) { + if (!coresight_get_mode(drvdata->csdev)) { spin_lock(&drvdata->spinlock); for (i = 0; i < drvdata->nr_cntr; i++) ret += sprintf(buf, "counter %d: %x\n", @@ -940,7 +941,7 @@ static ssize_t seq_curr_state_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - if (!local_read(&drvdata->mode)) { + if (!coresight_get_mode(drvdata->csdev)) { val = config->seq_curr_state; goto out; } @@ -948,9 +949,9 @@ static ssize_t seq_curr_state_show(struct device *dev, pm_runtime_get_sync(dev->parent); spin_lock_irqsave(&drvdata->spinlock, flags); - CS_UNLOCK(drvdata->base); + CS_UNLOCK(drvdata->csa.base); val = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); - CS_LOCK(drvdata->base); + CS_LOCK(drvdata->csa.base); spin_unlock_irqrestore(&drvdata->spinlock, flags); pm_runtime_put(dev->parent); @@ -1189,30 +1190,15 @@ static DEVICE_ATTR_RO(cpu); static ssize_t traceid_show(struct device *dev, struct device_attribute *attr, char *buf) { - unsigned long val; - struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); - - val = etm_get_trace_id(drvdata); - - return sprintf(buf, "%#lx\n", val); -} - -static ssize_t traceid_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - int ret; - unsigned long val; struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); + int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL); - ret = kstrtoul(buf, 16, &val); - if (ret) - return ret; + if (trace_id < 0) + return trace_id; - drvdata->traceid = val & ETM_TRACEID_MASK; - return size; + return sysfs_emit(buf, "%#x\n", trace_id); } -static DEVICE_ATTR_RW(traceid); +static DEVICE_ATTR_RO(traceid); static struct attribute *coresight_etm_attrs[] = { &dev_attr_nr_addr_cmp.attr, |
