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path: root/drivers/hwtracing/coresight/coresight-tmc.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index 84052c72462c..4cbcaf93c9d9 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.c
+++ b/drivers/hwtracing/coresight/coresight-tmc.c
@@ -302,7 +302,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
struct coresight_platform_data *pdata = NULL;
struct tmc_drvdata *drvdata;
struct resource *res = &adev->res;
- struct coresight_desc *desc;
+ struct coresight_desc desc = { 0 };
struct device_node *np = adev->dev.of_node;
if (np) {
@@ -319,10 +319,6 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
if (!drvdata)
goto out;
- desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
- if (!desc)
- goto out;
-
drvdata->dev = &adev->dev;
dev_set_drvdata(dev, drvdata);
@@ -354,24 +350,25 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
pm_runtime_put(&adev->dev);
- desc->pdata = pdata;
- desc->dev = dev;
- desc->subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
- desc->groups = coresight_tmc_groups;
+ desc.pdata = pdata;
+ desc.dev = dev;
+ desc.groups = coresight_tmc_groups;
if (drvdata->config_type == TMC_CONFIG_TYPE_ETB) {
- desc->type = CORESIGHT_DEV_TYPE_SINK;
- desc->ops = &tmc_etb_cs_ops;
+ desc.type = CORESIGHT_DEV_TYPE_SINK;
+ desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
+ desc.ops = &tmc_etb_cs_ops;
} else if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) {
- desc->type = CORESIGHT_DEV_TYPE_SINK;
- desc->ops = &tmc_etr_cs_ops;
+ desc.type = CORESIGHT_DEV_TYPE_SINK;
+ desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
+ desc.ops = &tmc_etr_cs_ops;
} else {
- desc->type = CORESIGHT_DEV_TYPE_LINKSINK;
- desc->subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_FIFO;
- desc->ops = &tmc_etf_cs_ops;
+ desc.type = CORESIGHT_DEV_TYPE_LINKSINK;
+ desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_FIFO;
+ desc.ops = &tmc_etf_cs_ops;
}
- drvdata->csdev = coresight_register(desc);
+ drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev)) {
ret = PTR_ERR(drvdata->csdev);
goto out;