On Thu, Nov 26, 2015 at 11:24:50AM +0100, Ulf Hansson wrote: > On 26 November 2015 at 09:39, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > > Hello, > > > > On 2015-11-25 19:09, Russell King - ARM Linux wrote: > >> > >> On Wed, Nov 25, 2015 at 02:56:10PM +0100, Ulf Hansson wrote: > >>> > >>> On 25 November 2015 at 14:34, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > >>> wrote: > >>>> > >>>> Is ignoring dev_pm_domain_attach() return value a solution for you? > >>> > >>> That's probably better than nothing, but I wonder if it in practice > >>> will have any effect? > >> > >> If the PM domain is down, then trying to tread the ID is likely to oops > >> the kernel. > > > > > > In my case kernel simply hangs (no single message, even when earlyprintk is > > enabled) > > instead of oopsing, that's why I've submitted this patch. > > > > Okay. > > I suggest we go ahead and try that approach (ignoring the return > value). It's "quick fix", but the easiest way forward to solve the > problem. > > My only concern is if such change impacts the boot time. We should do > some tests to see if the change is negligible, if not we should > probably think of something else (like keeping the PM domain powered > until late_init). > > Russell, what do you think? I thought someone had a patch to read the ID during the match callback? -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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