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authorSuzuki K Poulose <suzuki.poulose@arm.com>2017-08-02 19:22:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 17:05:48 +0300
commit79d29bb93bd846f71f617bc06a80444ba6ba08b5 (patch)
treed21cf35471a065822cbe010588f755981180636f /drivers/hwtracing
parent2b4553399b5fee1306817284b54ea22b108ba9cf (diff)
downloadlinux-79d29bb93bd846f71f617bc06a80444ba6ba08b5.tar.xz
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>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-dynamic-replicator.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-dynamic-replicator.c b/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
index c6900f2301de..b00ea2d7d13f 100644
--- 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);