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Subject: [PATCH] drm/komeda: Add ACLK rate to sysfs
Thread-Topic: [PATCH] drm/komeda: Add ACLK rate to sysfs
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Date:   Wed, 28 Aug 2019 11:03:49 +0000
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Expose node with the name 'aclk_hz'

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/=
drm/arm/display/komeda/komeda_dev.c
index 0142ee991957..e8d67395a3b9 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -91,9 +91,19 @@ config_id_show(struct device *dev, struct device_attribu=
te *attr, char *buf)
 }
 static DEVICE_ATTR_RO(config_id);
=20
+static ssize_t
+aclk_hz_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct komeda_dev *mdev =3D dev_to_mdev(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%lu\n", clk_get_rate(mdev->aclk));
+}
+static DEVICE_ATTR_RO(aclk_hz);
+
 static struct attribute *komeda_sysfs_entries[] =3D {
 	&dev_attr_core_id.attr,
 	&dev_attr_config_id.attr,
+	&dev_attr_aclk_hz.attr,
 	NULL,
 };
=20
--=20
2.22.0