desc.name = devm_kasprintf(dev, GFP_KERNEL, "trbe%d", cpu);
if (!desc.name)
goto cpu_clear;
-
- desc.pdata = coresight_get_platform_data(dev);
+ /*
+ * TRBE coresight devices do not need regular connections
+ * information, as the paths get built between all percpu
+ * source and their respective percpu sink devices. Though
+ * coresight_register() expect device connections via the
+ * platform_data, which TRBE devices do not have. As they
+ * are not real ACPI devices, coresight_get_platform_data()
+ * ends up failing. Instead let's allocate a dummy zeroed
+ * coresight_platform_data structure and assign that back
+ * into the device for that purpose.
+ */
+ desc.pdata = devm_kzalloc(dev, sizeof(*desc.pdata), GFP_KERNEL);
if (IS_ERR(desc.pdata))
goto cpu_clear;