Hi Ulf, On 04/03/16 11:23, Jon Hunter wrote: > Ideally, if we are returning a reference to a PM domain via a call to > of_genpd_get_from_provider(), then we should keep track of such > references via a reference count. The reference count could then be used > to determine if a PM domain can be safely removed. Alternatively, it is > possible to avoid such external references by providing APIs to access > the PM domain and hence, eliminate any calls to > of_genpd_get_from_provider(). > > Add new helper functions for adding a device and a subdomain to a PM > domain when using device-tree, so that external calls to > of_genpd_get_from_provider() can be removed. While we are at it, does it make sense to add helpers for of_genpd_remove_device/subdomain() as well? Seems that these could be useful for doing the inverse when cleaning up. Cheers Jon -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
