On Sun, Sep 13, 2020 at 01:45:36PM -0400, Mark Salter wrote: > @@ -1483,11 +1473,23 @@ xgene_pmu_dev_ctx *acpi_get_pmu_hw_inf(struct > xgene_pmu *xgene_pmu, > return NULL; > > INIT_LIST_HEAD(&resource_list); > - rc = acpi_dev_get_resources(adev, &resource_list, > - acpi_pmu_dev_add_resource, &res); > + rc = acpi_dev_get_resources(adev, &resource_list, NULL, NULL); > + if (rc <= 0) { > + dev_err(dev, "PMU type %d: No resources found\n", type); > + return NULL; > + } > + > + list_for_each_entry(rentry, &resource_list, node) { > + if (resource_type(rentry->res) == IORESOURCE_MEM) { > + res = *rentry->res; > + rentry = NULL; > + break; > + } > + } > acpi_dev_free_resource_list(&resource_list); > - if (rc < 0) { > - dev_err(dev, "PMU type %d: No resource address found\n", type); > + > + if (rentry) {
I'm curious as to why you've had to change the failure logic here, setting rentry to NULL instead of checking 'rentry->res' like the TX2 driver (which I don't immediately understand at first glance). Will