Messages in this thread | | | Date | Fri, 31 Aug 2012 16:22:34 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH v2] drivers/tty: Folding Android's keyreset driver in sysRQ |
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On Fri, Aug 31, 2012 at 04:57:04PM -0600, Mathieu Poirier wrote: > On 12-08-31 04:41 PM, Dmitry Torokhov wrote: > > On Fri, Aug 31, 2012 at 11:02:27PM +0100, Alan Cox wrote: > >>>> Why do we need to involve a platform device and not use, for example, a module > >>>> parameter, that could be set up from userspace? > >>> > >>> The platform device comes from the original design and was included to > >>> minimise the amount of changes in code that make use of the current > >>> keyreset driver. > >> > >> The platform device is IMHO the right answer. In this class of devices > >> the stuff is compiled in, the userspace is Android, there are no modules > >> and there is no reason for it to be configurable. > > > > It does not matter if it is built in or not, /sys/module/XXX/parameters > > is still there, and while havig it in kernel is "easy" you could as > > easily stuff needed data into a sysfs attribute during booting. > > > > And we should be able to get this from DT even without the platform > > device (this was the next step, wasn't it?). > > Correct - my hope was to get the main functionality accepted before > adding DT support. Do you think the lack of DT support is a blocker for > acceptance ? Please confirm. >
No, lack of DT is not a blocker, but I am unconvinced that we need platform device.
Thanks,
-- Dmitry
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