Hi Geert, On 21/09/16 09:53, Geert Uytterhoeven wrote: > Hi Jon, > > On Tue, Sep 20, 2016 at 12:28 PM, Jon Hunter <jonathanh@xxxxxxxxxx> wrote: >> Some devices may require more than one PM domain to operate and this is >> not currently by the PM domain framework. Furthermore, the current Linux >> 'device' structure only allows devices to be associated with a single PM >> domain and so cannot easily be associated with more than one. To allow >> devices to be associated with more than one PM domain, if multiple >> domains are defined for a given device (eg. via device-tree), then: >> 1. Create a new PM domain for this device. The name of the new PM domain >> created matches the device name for which it was created for. >> 2. Register the new PM domain as a sub-domain for all PM domains >> required by the device. >> 3. Attach the device to the new PM domain. > > This looks a suboptimal to me: if you have n devices sharing the same PM > domains, you would add n new subdomains? BTW, would this be the case today for some renesas devices or are you just pointing this out as something that could be optimised/improved? 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
