Hello Sascha,
...
> diff --git a/arch/arm/mach-omap/dmtimer.c
> b/drivers/clocksource/timer-ti-dm.c
> similarity index 72%
> rename from arch/arm/mach-omap/dmtimer.c
> rename to drivers/clocksource/timer-ti-dm.c
> index e223b8cc8f..635b860cf9 100644
> --- a/arch/arm/mach-omap/dmtimer.c
> +++ b/drivers/clocksource/timer-ti-dm.c
> @@ -27,6 +27,7 @@
> *
> */
>
> +#include <common.h>
> #include <clock.h>
> #include <init.h>
> #include <io.h>
> @@ -55,7 +56,7 @@
> #define TSICR 0x54
> #define TCAR2 0x58
>
> -static void *base = (void *)AM33XX_DMTIMER2_BASE;
> +static void *base;
>
> /**
> * @brief Provide a simple counter read
> @@ -73,17 +74,20 @@ static struct clocksource dmtimer_cs = {
> .shift = 10,
> };
>
> -/**
> - * @brief Initialize the Clock
> - *
> - * Enable dmtimer.
> - *
> - * @return result of @ref init_clock
> - */
> -static int dmtimer_init(void)
> +static int omap_dmtimer_probe(struct device_d *dev)
> {
> + struct resource *iores;
> u64 clk_speed;
>
> + /* one timer is enough */
> + if (base)
> + return 0;
> +
> + iores = dev_request_mem_resource(dev, 0);
> + if (IS_ERR(iores))
> + return PTR_ERR(iores);
> + base = IOMEM(iores->start);
> +
> clk_speed = am33xx_get_osc_clock();
> clk_speed *= 1000;
> dmtimer_cs.mult = clocksource_hz2mult(clk_speed,
> dmtimer_cs.shift);
> @@ -91,8 +95,27 @@ static int dmtimer_init(void)
> /* Enable counter */
> writel(0x3, base + TCLR);
>
> - return init_clock(&dmtimer_cs);
> + init_clock(&dmtimer_cs);
> +
> + return 0;
is there any reason why you always return 0 now?
Teresa
> }
>
> -/* Run me at boot time */
> -core_initcall(dmtimer_init);
> +static __maybe_unused struct of_device_id omap_dmtimer_dt_ids[] = {
> + {
> + .compatible = "ti,am335x-timer",
> + }, {
> + /* sentinel */
> + }
> +};
> +
> +static struct driver_d omap_dmtimer_driver = {
> + .name = "omap-dmtimer",
> + .probe = omap_dmtimer_probe,
> + .of_compatible = DRV_OF_COMPAT(omap_dmtimer_dt_ids),
> +};
> +
> +static int omap_dmtimer_init(void)
> +{
> + return platform_driver_register(&omap_dmtimer_driver);
> +}
> +postcore_initcall(omap_dmtimer_init);
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