coresight-tpda: Change qcom,dsb-element-size to qcom,dsb-elem-bits

Change qcom,dsb-element-size to qcom,dsb-elem-bits as the unit is bit.
When use "-bits" suffix, the type of the property is u32 from
property-units.yaml, so use fwnode_property_read_u32 to read the
property.

Fixes: 57e7235 ("coresight-tpda: Add DSB dataset support")
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Link: https://lore.kernel.org/r/20240218094322.22470-3-quic_jinlmao@quicinc.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

drivers/hwtracing/coresight/coresight-tpda.c

@@ -69,8 +69,8 @@ static int tpdm_read_element_size(struct tpda_drvdata *drvdata,
 	struct tpdm_drvdata *tpdm_data = dev_get_drvdata(csdev->dev.parent);
 
 	if (tpdm_has_dsb_dataset(tpdm_data)) {
-		rc = fwnode_property_read_u8(dev_fwnode(csdev->dev.parent),
-				"qcom,dsb-element-size", &drvdata->dsb_esize);
+		rc = fwnode_property_read_u32(dev_fwnode(csdev->dev.parent),
+				"qcom,dsb-element-bits", &drvdata->dsb_esize);
 	}
 	if (tpdm_has_cmb_dataset(tpdm_data)) {
 		rc = fwnode_property_read_u32(dev_fwnode(csdev->dev.parent),

drivers/hwtracing/coresight/coresight-tpda.h

@@ -36,7 +36,7 @@ struct tpda_drvdata {
 	struct coresight_device	*csdev;
 	spinlock_t		spinlock;
 	u8			atid;
-	u8			dsb_esize;
+	u32			dsb_esize;
 	u32			cmb_esize;
 };