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Commit 8fe809a7 authored by Rama Aparna Mallavarapu's avatar Rama Aparna Mallavarapu Committed by Gerrit - the friendly Code Review server
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Coresight: add support for device names 



Add support to read device names from device tree entries.
This allows using same names for CoreSight devices across different
targets.

Change-Id: Ide3da74533051db38e9a6c5904a7cab42b3be6c1
Signed-off-by: default avatarShashank Mittal <mittals@codeaurora.org>
Signed-off-by: default avatarRama Aparna Mallavarapu <aparnam@codeaurora.org>
Signed-off-by: default avatarMulu He <muluhe@codeaurora.org>
parent 6e56c6aa

drivers/hwtracing/coresight/of_coresight.c

+9 −4
Original line number Diff line number Diff line
@@ -130,9 +130,11 @@ of_get_coresight_platform_data(struct device *dev, 
	if (!pdata)

		return ERR_PTR(-ENOMEM);



	ret = of_property_read_string(node, "coresight-name", &pdata->name);

	if (ret) {

		/* Use device name as sysfs handle */

		pdata->name = dev_name(dev);



	}

	/* Get the number of input and output port for this component */

	of_coresight_get_ports(node, &pdata->nr_inport, &pdata->nr_outport);
@@ -181,6 +183,9 @@ of_get_coresight_platform_data(struct device *dev, 
			if (!rdev)

				return ERR_PTR(-EPROBE_DEFER);



			ret = of_property_read_string(rparent, "coresight-name",

						&pdata->child_names[i]);

			if (ret)

				pdata->child_names[i] = dev_name(rdev);

			pdata->child_ports[i] = rendpoint.id;