On 22 June 2016 at 16:58, Jon Hunter <jonathanh@xxxxxxxxxx> wrote: > 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. I would prefer if we could avoid adding new APIs until we really see the need for it. Moreover, I would like to avoid us adding OF specific APIs, unless those can be really justified. Hope that made sense. Kind regards Uffe -- 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
