Quoting zhuyinbo (2023-02-22 18:16:49) > > 在 2023/2/23 上午5:00, Stephen Boyd 写道: > > Quoting zhuyinbo (2023-02-21 21:10:14) > >>>>> yes, the use of dts doesn't require the use of CLK_OF_DECLARE and can > >>>>> use platform_driver_register > >>>>> > >>>>> but my drvier not use platform_driver_register to register clk and use > >>>>> CLK_OF_DECLARE to match of_clk_init. > >>>> of_clk_init() is there to register clks that are needed for early init, > >>>> i.e. the clockevent/clocksource or the root interrupt controller > >>>> (irqchip). Otherwise, it isn't necessary to register clks via > >>>> of_clk_init(). > >>> okay, I got it. > >> and, the time driver get clock by CCF that ask loongson2 clock driver > >> use CLK_OF_DECLARE > >> > >> to match of_clk_init. because the timer_probe is very early and the > >> timer driver was use TIMER_OF_DECLARE > >> > >> to match time_probe. > >> > > If you have a time driver that gets clks, register those early with > > CLK_OF_DECLARE_DRIVER() and then have a platform driver for the rest of > > the clk tree that registers clks later. > > okay, I got it. and this series patch I will use platform driver. > later, if the loongson2 time driver use the > > CLK_OF_DECLARE style I will make a alone time clk driver for it that > use CLK_OF_DECLARE_DRIVER() > It can be the same file if you want. But then it can't be a module. Up to you what you want to do there.
