On Fri, Sep 12, 2014 at 03:00:12PM +0100, Hanjun Guo wrote:
> diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
> index 5b3546b..9869377 100644
> --- a/arch/arm64/kernel/acpi.c
> +++ b/arch/arm64/kernel/acpi.c
> @@ -23,6 +23,7 @@
> #include <linux/irqdomain.h>
> #include <linux/bootmem.h>
> #include <linux/smp.h>
> +#include <linux/irqchip/arm-gic-acpi.h>
>
> #include <asm/cputype.h>
> #include <asm/cpu_ops.h>
> @@ -312,6 +313,28 @@ void __init acpi_boot_table_init(void)
> pr_err("Can't find FADT or error happened during parsing FADT\n");
> }
>
> +void __init acpi_gic_init(void)
> +{
> + struct acpi_table_header *table;
> + acpi_status status;
> + acpi_size tbl_size;
> + int err;
> +
> + status = acpi_get_table_with_size(ACPI_SIG_MADT, 0, &table, &tbl_size);
> + if (ACPI_FAILURE(status)) {
> + const char *msg = acpi_format_exception(status);
> +
> + pr_err("Failed to get MADT table, %s\n", msg);
> + return;
> + }
> +
> + err = gic_v2_acpi_init(table);
> + if (err)
> + pr_err("Failed to initialize GIC IRQ controller");
> +
> + early_acpi_os_unmap_memory((char *)table, tbl_size);
> +}
Maybe this was discussed already but why does this function need to live
under arch/arm64? Isn't the driver code more appropriate?
--
Catalin
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