Messages in this thread | | | Date | Wed, 20 May 2015 18:06:45 +0200 | Subject | Re: [PATCH 3/5] soc: Mediatek: Add SCPSYS power domain driver | From | Matthias Brugger <> |
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2015-05-20 16:03 GMT+02:00 Sascha Hauer <s.hauer@pengutronix.de>: > On Tue, May 19, 2015 at 01:06:10PM +0200, Matthias Brugger wrote: >> 2015-05-19 12:30 GMT+02:00 Sascha Hauer <s.hauer@pengutronix.de>: >> > >> > I'll check for errors next round. However, I cannot bail out in this >> > case since once pm_genpd_init() is called the domain cannot be >> > unregistered anymore. >> >> We should think of implementing this. >> I had a quick look on it, and from what I understand as long as you >> don't have any subdomains, devices and masters added, it's just >> deleting an element from a linked list. > > In my error path I would have subdomains added though, so I would need > that to be handled.
Well we could bail out, when pm_genpd_add_subdomain fails. But the actual implementations don't do that neither at the moment.
> >> Maybe we should split this in pm_genpd_prepare and pm_genpd_add, with >> the last one actually adding the generic_pm_domain to gpd_list. >> >> This way we could also get rid of the two for loops. > > Well, with pm_genpd_prepare and pm_genpd_add I would still need two > loops, one for preparing and one for adding. > > I'm not sure how useful it really is to be able to unregister power > domains. For now I suggest to continue with the domains that are > successfully registered. I'll look into it should the pm domain > maintainers request it.
Alright.
-- motzblog.wordpress.com
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