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Date: Mon, 15 Apr 2019 17:04:05 +0100
From: Suzuki K Poulose <suzuki.poulose@....com>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
mathieu.poirier@...aro.org, mike.leach@...aro.org,
rjw@...ysocki.net, robert.walker@....com,
Suzuki K Poulose <suzuki.poulose@....com>
Subject: [PATCH v2 22/36] coresight: Remove name from platform description
We are about to use a name independent of the parent AMBA device
name. As such, there is no need to have it in the platform description.
Let us move this to coresight description instead.
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
drivers/hwtracing/coresight/coresight-catu.c | 2 ++
drivers/hwtracing/coresight/coresight-etb10.c | 3 ++-
drivers/hwtracing/coresight/coresight-etm3x.c | 1 +
drivers/hwtracing/coresight/coresight-etm4x.c | 1 +
drivers/hwtracing/coresight/coresight-funnel.c | 1 +
drivers/hwtracing/coresight/coresight-platform.c | 3 ---
drivers/hwtracing/coresight/coresight-replicator.c | 2 ++
drivers/hwtracing/coresight/coresight-stm.c | 1 +
drivers/hwtracing/coresight/coresight-tmc.c | 5 +++--
drivers/hwtracing/coresight/coresight-tpiu.c | 1 +
drivers/hwtracing/coresight/coresight.c | 2 +-
include/linux/coresight.h | 8 ++++----
12 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-catu.c b/drivers/hwtracing/coresight/coresight-catu.c
index 65b86ec..03f5b95 100644
--- a/drivers/hwtracing/coresight/coresight-catu.c
+++ b/drivers/hwtracing/coresight/coresight-catu.c
@@ -551,6 +551,8 @@ static int catu_probe(struct amba_device *adev, const struct amba_id *id)
catu_desc.type = CORESIGHT_DEV_TYPE_HELPER;
catu_desc.subtype.helper_subtype = CORESIGHT_DEV_SUBTYPE_HELPER_CATU;
catu_desc.ops = &catu_ops;
+ catu_desc.name = dev_name(dev);
+
drvdata->csdev = coresight_register(&catu_desc);
if (IS_ERR(drvdata->csdev))
ret = PTR_ERR(drvdata->csdev);
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index cd61b54..91a5d7a 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -723,12 +723,13 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &etb_cs_ops;
desc.pdata = pdata;
desc.dev = dev;
+ desc.name = dev_name(dev);
desc.groups = coresight_etb_groups;
drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev))
return PTR_ERR(drvdata->csdev);
- drvdata->miscdev.name = pdata->name;
+ drvdata->miscdev.name = desc.name;
drvdata->miscdev.minor = MISC_DYNAMIC_MINOR;
drvdata->miscdev.fops = &etb_fops;
ret = misc_register(&drvdata->miscdev);
diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c
index 722fab96..101fb01 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x.c
@@ -854,6 +854,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &etm_cs_ops;
desc.pdata = pdata;
desc.dev = dev;
+ desc.name = dev_name(dev);
desc.groups = coresight_etm_groups;
drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev)) {
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index ced31d1..7ff0989 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -1034,6 +1034,7 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
desc.pdata = pdata;
desc.dev = dev;
desc.groups = coresight_etmv4_groups;
+ desc.name = dev_name(dev);
drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev)) {
ret = PTR_ERR(drvdata->csdev);
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index 2590744..61a9e01 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -216,6 +216,7 @@ static int funnel_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &funnel_cs_ops;
desc.pdata = pdata;
desc.dev = dev;
+ desc.name = dev_name(dev);
desc.groups = coresight_funnel_groups;
drvdata->csdev = coresight_register(&desc);
diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c
index f1ab1b5..0415fff 100644
--- a/drivers/hwtracing/coresight/coresight-platform.c
+++ b/drivers/hwtracing/coresight/coresight-platform.c
@@ -314,9 +314,6 @@ coresight_get_platform_data(struct device *dev)
if (!pdata)
return ERR_PTR(-ENOMEM);
- /* Use device name as sysfs handle */
- pdata->name = dev_name(dev);
-
if (is_of_node(fwnode))
return of_get_coresight_platform_data(dev, pdata);
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 7eb3bf7..939f20d 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -215,6 +215,8 @@ static int replicator_probe(struct device *dev, struct resource *res)
desc.ops = &replicator_cs_ops;
desc.pdata = dev->platform_data;
desc.dev = dev;
+ desc.name = dev_name(dev);
+
drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev)) {
ret = PTR_ERR(drvdata->csdev);
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index eae0094..734227f 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -871,6 +871,7 @@ static int stm_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &stm_cs_ops;
desc.pdata = pdata;
desc.dev = dev;
+ desc.name = dev_name(dev);
desc.groups = coresight_stm_groups;
drvdata->csdev = coresight_register(&desc);
if (IS_ERR(drvdata->csdev)) {
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index 7dbdf59..02c5cb5 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.c
+++ b/drivers/hwtracing/coresight/coresight-tmc.c
@@ -433,6 +433,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
desc.pdata = pdata;
desc.dev = dev;
desc.groups = coresight_tmc_groups;
+ desc.name = dev_name(dev);
switch (drvdata->config_type) {
case TMC_CONFIG_TYPE_ETB:
@@ -455,7 +456,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &tmc_etf_cs_ops;
break;
default:
- pr_err("%s: Unsupported TMC config\n", pdata->name);
+ pr_err("%s: Unsupported TMC config\n", desc.name);
ret = -EINVAL;
goto out;
}
@@ -466,7 +467,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
goto out;
}
- drvdata->miscdev.name = pdata->name;
+ drvdata->miscdev.name = desc.name;
drvdata->miscdev.minor = MISC_DYNAMIC_MINOR;
drvdata->miscdev.fops = &tmc_fops;
ret = misc_register(&drvdata->miscdev);
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index eea7fd1..792f1d6 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -154,6 +154,7 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
desc.ops = &tpiu_cs_ops;
desc.pdata = pdata;
desc.dev = dev;
+ desc.name = dev_name(dev);
drvdata->csdev = coresight_register(&desc);
if (!IS_ERR(drvdata->csdev)) {
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 55204dd..91c63cd 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -1197,7 +1197,7 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)
csdev->dev.parent = desc->dev;
csdev->dev.release = coresight_device_release;
csdev->dev.bus = &coresight_bustype;
- dev_set_name(&csdev->dev, "%s", desc->pdata->name);
+ dev_set_name(&csdev->dev, "%s", desc->name);
ret = device_register(&csdev->dev);
if (ret) {
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index bb7548f..84a2137 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -91,13 +91,11 @@ union coresight_dev_subtype {
/**
* struct coresight_platform_data - data harvested from the DT specification
- * @name: name of the component as shown under sysfs.
* @nr_inport: number of input ports for this component.
* @nr_outport: number of output ports for this component.
* @conns: Array of nr_outport connections from this component
*/
struct coresight_platform_data {
- const char *name;
int nr_inport;
int nr_outport;
struct coresight_connection *conns;
@@ -108,11 +106,12 @@ struct coresight_platform_data {
* @type: as defined by @coresight_dev_type.
* @subtype: as defined by @coresight_dev_subtype.
* @ops: generic operations for this component, as defined
- by @coresight_ops.
+ * by @coresight_ops.
* @pdata: platform data collected from DT.
* @dev: The device entity associated to this component.
* @groups: operations specific to this component. These will end up
- in the component's sysfs sub-directory.
+ * in the component's sysfs sub-directory.
+ * @name: name for the coresight device, also shown under sysfs.
*/
struct coresight_desc {
enum coresight_dev_type type;
@@ -121,6 +120,7 @@ struct coresight_desc {
struct coresight_platform_data *pdata;
struct device *dev;
const struct attribute_group **groups;
+ const char *name;
};
/**
--
2.7.4
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