coresight replicator: Expose replicator management registers

Expose the idfilter* registers of the programmable replicator.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwtracing/coresight/coresight-dynamic-replicator.c b/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
index c6900f2..b00ea2d 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
@@ -95,6 +95,28 @@ static const struct coresight_ops replicator_cs_ops = {
        .link_ops       = &replicator_link_ops,
 };
 
+#define coresight_replicator_reg(name, offset) \
+       coresight_simple_reg32(struct replicator_state, name, offset)
+
+coresight_replicator_reg(idfilter0, REPLICATOR_IDFILTER0);
+coresight_replicator_reg(idfilter1, REPLICATOR_IDFILTER1);
+
+static struct attribute *replicator_mgmt_attrs[] = {
+       &dev_attr_idfilter0.attr,
+       &dev_attr_idfilter1.attr,
+       NULL,
+};
+
+static const struct attribute_group replicator_mgmt_group = {
+       .attrs = replicator_mgmt_attrs,
+       .name = "mgmt",
+};
+
+static const struct attribute_group *replicator_groups[] = {
+       &replicator_mgmt_group,
+       NULL,
+};
+
 static int replicator_probe(struct amba_device *adev, const struct amba_id *id)
 {
        int ret;
@@ -139,6 +161,7 @@ static int replicator_probe(struct amba_device *adev, const struct amba_id *id)
        desc.ops = &replicator_cs_ops;
        desc.pdata = adev->dev.platform_data;
        desc.dev = &adev->dev;
+       desc.groups = replicator_groups;
        drvdata->csdev = coresight_register(&desc);
        if (IS_ERR(drvdata->csdev))
                return PTR_ERR(drvdata->csdev);