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path: root/drivers/hwtracing/coresight/coresight-etb10.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etb10.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-etb10.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 4d20b0be0c0b..d7325c6534ad 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -184,8 +184,7 @@ static void etb_disable_hw(struct etb_drvdata *drvdata)
if (coresight_timeout(drvdata->base, ETB_FFCR, ETB_FFCR_BIT, 0)) {
dev_err(drvdata->dev,
- "timeout observed when probing at offset %#x\n",
- ETB_FFCR);
+ "timeout while waiting for completion of Manual Flush\n");
}
/* disable trace capture */
@@ -193,8 +192,7 @@ static void etb_disable_hw(struct etb_drvdata *drvdata)
if (coresight_timeout(drvdata->base, ETB_FFSR, ETB_FFSR_BIT, 1)) {
dev_err(drvdata->dev,
- "timeout observed when probing at offset %#x\n",
- ETB_FFCR);
+ "timeout while waiting for Formatter to Stop\n");
}
CS_LOCK(drvdata->base);
@@ -561,7 +559,7 @@ static const struct file_operations etb_fops = {
};
#define coresight_etb10_simple_func(name, offset) \
- coresight_simple_func(struct etb_drvdata, name, offset)
+ coresight_simple_func(struct etb_drvdata, NULL, name, offset)
coresight_etb10_simple_func(rdp, ETB_RAM_DEPTH_REG);
coresight_etb10_simple_func(sts, ETB_STATUS_REG);
@@ -638,7 +636,7 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
struct coresight_platform_data *pdata = NULL;
struct etb_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) {
@@ -684,17 +682,13 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
return -ENOMEM;
}
- desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
- if (!desc)
- return -ENOMEM;
-
- desc->type = CORESIGHT_DEV_TYPE_SINK;
- desc->subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
- desc->ops = &etb_cs_ops;
- desc->pdata = pdata;
- desc->dev = dev;
- desc->groups = coresight_etb_groups;
- drvdata->csdev = coresight_register(desc);
+ desc.type = CORESIGHT_DEV_TYPE_SINK;
+ desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
+ desc.ops = &etb_cs_ops;
+ desc.pdata = pdata;
+ desc.dev = dev;
+ desc.groups = coresight_etb_groups;
+ drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev))
return PTR_ERR(drvdata->csdev);