coresight: etm3x: Rearrange cp14 access detection

As we are about to refactor the platform specific handling,
move the DT property handling to generic helpers.

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-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c
index 9c92491..fa2f141 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-etm3x.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x.c
@@ -802,9 +802,9 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
                        return PTR_ERR(pdata);
 
                adev->dev.platform_data = pdata;
-               drvdata->use_cp14 = of_property_read_bool(np, "arm,cp14");
        }
 
+       drvdata->use_cp14 = fwnode_property_read_bool(dev->fwnode, "arm,cp14");
        dev_set_drvdata(dev, drvdata);
 
        /* Validity for the resource is already checked by the AMBA core */