Tony, Kevin, [...] > > > > > > * Kevin Hilman <khil...@ti.com> [110303 17:22]: > > > > Tarun Kanti DebBarma <tarun.ka...@ti.com> writes: > > > > > > > > > Add pm_runtime support to dmtimer. Since dmtimer is used during > > > > > early boot before pm_runtime is initialized completely there are > > > > > provisions to enable/disable clocks directly in the code during > > > > > early boot. > > > > > > > > I'm still not crazy about the duplicate logic (both early & normal) > in > > > > all the enable/disable functions. > > > > > > > > As I've suggested in the past, why not just do a clk_get, clk_enable > in > > > > when the early timers are initialized, then do a clk_disable, > clk_put() > > > > as soon as the "normal" device is ready and PM runtime is enabled. > > > > > > Even better would be to have separate handling for the system timer > > > with minimal dependencies to anything. > > > > > > > That will greatly simplify the code and eliminate the unnecessary > checks > > > > for ->is_early_device which will always be false except for in early > > > > boot (when these functions are not likely to be called anyways.) > > > > > > And please note that only the system timer needs to be initialized > early. > > > We might as well treat the system timer separately to avoid these > issues. > > > > > Yes, this is applicable normally for the system timer only. > > But as I said earlier, we are giving flexibility whereby any one of the > GPTs > > Can be system timer. > > Any one of them can be used, but no need to register the others this > early. In that case we have to associate probably a dev attribute to system timer. Do you have alternate proposal?
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