On Tuesday 17 September 2013, Uwe Kleine-König wrote:
> arch/arm/Kconfig | 16 +++-
> arch/arm/Kconfig.debug | 16 ++++
> arch/arm/Makefile | 1 +
> arch/arm/configs/efm32_defconfig | 104 +++++++++++++++++++++++++
> arch/arm/mach-efm32/Makefile | 1 +
> arch/arm/mach-efm32/Makefile.boot | 2 +
> arch/arm/mach-efm32/cmu.h | 15 ++++
> arch/arm/mach-efm32/common.c | 19 +++++
> arch/arm/mach-efm32/common.h | 1 +
> arch/arm/mach-efm32/dtmachine.c | 31 ++++++++
> arch/arm/mach-efm32/include/mach/debug-macro.S | 48 ++++++++++++
> arch/arm/mach-efm32/include/mach/entry-macro.S | 5 ++
> arch/arm/mach-efm32/include/mach/io.h | 6 ++
> arch/arm/mach-efm32/include/mach/irqs.h | 6 ++
> arch/arm/mach-efm32/include/mach/timex.h | 7 ++
You should be able to add NOMMU platforms in combination with CONFIG_MULTIPLATFORM
now, which gets rid of most of these files.
> diff --git a/arch/arm/mach-efm32/Makefile b/arch/arm/mach-efm32/Makefile
> new file mode 100644
> index 0000000..081f45a
> --- /dev/null
> +++ b/arch/arm/mach-efm32/Makefile
> @@ -0,0 +1 @@
> +obj-y += common.o dtmachine.o
Just merge the two files into one.
> +
> +void __init efm32_init_time(void)
> +{
> + of_clk_init(NULL);
> + clocksource_of_init();
> +}
When Sebastian Hesselbarth's patches for of_clk_init() are merged, this function can go away.
> +static void __init efm32_init(void)
> +{
> + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> +}
> +
And this one is already unnecessary.
> +static const char *const efm32gg_compat[] __initconst = {
> + "efm32,dk3750",
> + NULL
> +};
> +
> +DT_MACHINE_START(EFM32DT, "EFM32 (Device Tree Support)")
> + .init_irq = irqchip_init,
Same for irqchip_init, which is the default when omitted.
> diff --git a/arch/arm/mach-efm32/include/mach/debug-macro.S b/arch/arm/mach-efm32/include/mach/debug-macro.S
> new file mode 100644
> index 0000000..c58915c
> --- /dev/null
> +++ b/arch/arm/mach-efm32/include/mach/debug-macro.S
Please move this to arch/arm/include/debug/ like the other such implementations.
> diff --git a/arch/arm/mach-efm32/include/mach/entry-macro.S b/arch/arm/mach-efm32/include/mach/entry-macro.S
> new file mode 100644
> index 0000000..f0c0f7d
> --- /dev/null
> +++ b/arch/arm/mach-efm32/include/mach/entry-macro.S
> @@ -0,0 +1,5 @@
> + .macro get_irqnr_preamble, base, tmp
> + .endm
> +
> + .macro arch_ret_to_user, tmp1, tmp2
> + .endm
And use set_handle_irq() to register a handler from your irqchip driver
to get rid of this one.
> --- /dev/null
> +++ b/arch/arm/mach-efm32/include/mach/irqs.h
> @@ -0,0 +1,6 @@
> +#ifndef __MACH_IRQS_H__
> +#define __MACH_IRQS_H__
> +
> +#define NR_IRQS 82
> +
> +#endif /* __MACH_IRQS_H__ */
This should not be needed if you have the proper IRQ domain support, which I think you do.
Arnd
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