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    Subject[PATCH] drm/komeda: Add ACLK rate to sysfs
    Date
    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_attribute *attr, char *buf)
    }
    static DEVICE_ATTR_RO(config_id);

    +static ssize_t
    +aclk_hz_show(struct device *dev, struct device_attribute *attr, char *buf)
    +{
    + struct komeda_dev *mdev = 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[] = {
    &dev_attr_core_id.attr,
    &dev_attr_config_id.attr,
    + &dev_attr_aclk_hz.attr,
    NULL,
    };

    --
    2.22.0
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