On Wed, Oct 29, 2014 at 12:39:16PM -0700, Tony Lindgren wrote:
> From: Tony Lindgren <tony@xxxxxxxxxxx>
> Date: Mon, 27 Oct 2014 13:05:54 -0700
> Subject: [PATCH] ARM: OMAP2+: Warn about deprecated legacy booting mode
>
> We're moving omaps to use device tree based booting and already have
> omap2, omap4, omap5, am335x and am437x booting in device tree only
> mode.
>
> Only omap3 still has legacy booting still around and we really want
> to make that device tree only. So let's add a warning about deprecated
> legacy booting so we get people to upgrade their boards to use device
> tree based booting and find out about any remaining issues.
>
> Note that for most boards we already have the .dts file and those can
> be booted with without changing the bootloader using the appended
> DTB mode.
>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Reviewed-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
> --- a/arch/arm/mach-omap2/omap_device.c
> +++ b/arch/arm/mach-omap2/omap_device.c
> @@ -917,6 +917,10 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
> static int __init omap_device_late_init(void)
> {
> bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle);
> +
> + WARN(!of_have_populated_dt(),
> + "legacy booting deprecated, please update to boot with .dts\n");
> +
> return 0;
> }
> omap_late_initcall_sync(omap_device_late_init);
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