On Fri, May 25, 2012 at 1:55 PM, Eduardo Valentin
<eduardo.valentin@xxxxxx> wrote:
> This is a way to add an early device for system control module.
> the code is also requesting for driver registration and probing.
> Done at early_initcall because at that time, ioremapping is possible.
>
> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
> ---
> arch/arm/mach-omap2/devices.c | 29 +++++++++++++++++++++++++++++
> 1 files changed, 29 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index 9332673..58cc5c3 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -40,6 +40,35 @@
> #define L3_MODULES_MAX_LEN 12
> #define L3_MODULES 3
>
> +static struct resource control_resources[] = {
> + [0] = {
> + .start = 0x4a002000,
> + .end = 0x4a0027ff,
> + .flags = IORESOURCE_MEM,
> + },
> +};
> +static struct platform_device control_device = {
> + .name = "omap-control-core",
> + .id = 0,
> + .resource = control_resources,
> + .num_resources = ARRAY_SIZE(control_resources),
> +};
> +
> +static struct platform_device *early_devices[] __initdata = {
> + &control_device,
> +};
> +
> +static int __init plat_early_device_setup(void)
> +{
> + early_platform_add_devices(early_devices,
> + ARRAY_SIZE(early_devices));
> + early_platform_driver_register_all("early_omap_control");
> + early_platform_driver_probe("early_omap_control", 1, false);
> +
> + return 0;
> +}
> +early_initcall(plat_early_device_setup);
> +
> static int omap_init_control(void)
> {
> struct omap_hwmod *oh;
Nice !!
Apart from fix from Konstantin and Benoit's DT comment,
patch looks fine to me.
Regards
Santosh
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