diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm3x.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm3x.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c index 2de4cad9c5ed..3fe368b23d15 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x.c +++ b/drivers/hwtracing/coresight/coresight-etm3x.c @@ -311,9 +311,10 @@ void etm_config_trace_mode(struct etm_config *config) #define ETM3X_SUPPORTED_OPTIONS (ETMCR_CYC_ACC | ETMCR_TIMESTAMP_EN) static int etm_parse_event_config(struct etm_drvdata *drvdata, - struct perf_event_attr *attr) + struct perf_event *event) { struct etm_config *config = &drvdata->config; + struct perf_event_attr *attr = &event->attr; if (!attr) return -EINVAL; @@ -459,7 +460,7 @@ static int etm_trace_id(struct coresight_device *csdev) } static int etm_enable_perf(struct coresight_device *csdev, - struct perf_event_attr *attr) + struct perf_event *event) { struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); @@ -467,7 +468,7 @@ static int etm_enable_perf(struct coresight_device *csdev, return -EINVAL; /* Configure the tracer based on the session's specifics */ - etm_parse_event_config(drvdata, attr); + etm_parse_event_config(drvdata, event); /* And enable it */ etm_enable_hw(drvdata); @@ -504,7 +505,7 @@ err: } static int etm_enable(struct coresight_device *csdev, - struct perf_event_attr *attr, u32 mode) + struct perf_event *event, u32 mode) { int ret; u32 val; @@ -521,7 +522,7 @@ static int etm_enable(struct coresight_device *csdev, ret = etm_enable_sysfs(csdev); break; case CS_MODE_PERF: - ret = etm_enable_perf(csdev, attr); + ret = etm_enable_perf(csdev, event); break; default: ret = -EINVAL; @@ -601,7 +602,8 @@ static void etm_disable_sysfs(struct coresight_device *csdev) dev_info(drvdata->dev, "ETM tracing disabled\n"); } -static void etm_disable(struct coresight_device *csdev) +static void etm_disable(struct coresight_device *csdev, + struct perf_event *event) { u32 mode; struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); @@ -756,13 +758,9 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) struct coresight_platform_data *pdata = NULL; struct etm_drvdata *drvdata; struct resource *res = &adev->res; - struct coresight_desc *desc; + struct coresight_desc desc = { 0 }; struct device_node *np = adev->dev.of_node; - desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); - if (!desc) - return -ENOMEM; - drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); if (!drvdata) return -ENOMEM; @@ -825,13 +823,13 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) etm_init_trace_id(drvdata); etm_set_default(&drvdata->config); - desc->type = CORESIGHT_DEV_TYPE_SOURCE; - desc->subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC; - desc->ops = &etm_cs_ops; - desc->pdata = pdata; - desc->dev = dev; - desc->groups = coresight_etm_groups; - drvdata->csdev = coresight_register(desc); + desc.type = CORESIGHT_DEV_TYPE_SOURCE; + desc.subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC; + desc.ops = &etm_cs_ops; + desc.pdata = pdata; + desc.dev = dev; + desc.groups = coresight_etm_groups; + drvdata->csdev = coresight_register(&desc); if (IS_ERR(drvdata->csdev)) { ret = PTR_ERR(drvdata->csdev); goto err_arch_supported; @@ -893,6 +891,11 @@ static struct amba_id etm_ids[] = { .mask = 0x0003ffff, .data = "ETM 3.3", }, + { /* ETM 3.5 - Cortex-A5 */ + .id = 0x0003b955, + .mask = 0x0003ffff, + .data = "ETM 3.5", + }, { /* ETM 3.5 */ .id = 0x0003b956, .mask = 0x0003ffff, |