-----Original Message-----
> Added support for the 'irq' series of commands in the MIPS32/64 architecture,
> except for the 'irq -d' command, others can be used.
>
> The result of using the 'irq' command without this patch is as follows:
> irq: cannot determine number of IRQs
>
> Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx>
Acked-by: Kazuhito Hagio <k-hagio-ab@xxxxxxx>
Thanks,
Kazu
> ---
> mips.c | 10 ++++++++--
> mips64.c | 14 ++++++++++++++
> 2 files changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/mips.c b/mips.c
> index f73dfad..d6602e3 100644
> --- a/mips.c
> +++ b/mips.c
> @@ -1126,8 +1126,14 @@ mips_init(int when)
> machdep->get_irq_affinity = generic_get_irq_affinity;
> machdep->section_size_bits = _SECTION_SIZE_BITS;
> machdep->max_physmem_bits = _MAX_PHYSMEM_BITS;
> - ARRAY_LENGTH_INIT(machdep->nr_irqs, irq_desc,
> - "irq_desc", NULL, 0);
> +
> + if (symbol_exists("irq_desc"))
> + ARRAY_LENGTH_INIT(machdep->nr_irqs, irq_desc,
> + "irq_desc", NULL, 0);
> + else if (kernel_symbol_exists("nr_irqs"))
> + get_symbol_data("nr_irqs", sizeof(unsigned int),
> + &machdep->nr_irqs);
> +
> mips_stackframe_init();
>
> if (!machdep->hz)
> diff --git a/mips64.c b/mips64.c
> index 62ed799..b1d6acf 100644
> --- a/mips64.c
> +++ b/mips64.c
> @@ -1160,6 +1160,9 @@ mips64_dump_machdep_table(ulong arg)
> fprintf(fp, " is_task_addr: mips64_is_task_addr()\n");
> fprintf(fp, " verify_symbol: mips64_verify_symbol()\n");
> fprintf(fp, " dis_filter: generic_dis_filter()\n");
> + fprintf(fp, " dump_irq: generic_dump_irq()\n");
> + fprintf(fp, " show_interrupts: generic_show_interrupts()\n");
> + fprintf(fp, " get_irq_affinity: generic_get_irq_affinity()\n");
> fprintf(fp, " cmd_mach: mips64_cmd_mach()\n");
> fprintf(fp, " get_smp_cpus: mips64_get_smp_cpus()\n");
> fprintf(fp, " is_kvaddr: generic_is_kvaddr()\n");
> @@ -1246,6 +1249,9 @@ mips64_init(int when)
> machdep->is_task_addr = mips64_is_task_addr;
> machdep->get_smp_cpus = mips64_get_smp_cpus;
> machdep->dis_filter = generic_dis_filter;
> + machdep->dump_irq = generic_dump_irq;
> + machdep->show_interrupts = generic_show_interrupts;
> + machdep->get_irq_affinity = generic_get_irq_affinity;
> machdep->value_to_symbol = generic_machdep_value_to_symbol;
> machdep->init_kernel_pgd = NULL;
> break;
> @@ -1257,6 +1263,14 @@ mips64_init(int when)
> mips64_stackframe_init();
> if (!machdep->hz)
> machdep->hz = 250;
> +
> + if (symbol_exists("irq_desc"))
> + ARRAY_LENGTH_INIT(machdep->nr_irqs, irq_desc,
> + "irq_desc", NULL, 0);
> + else if (kernel_symbol_exists("nr_irqs"))
> + get_symbol_data("nr_irqs", sizeof(unsigned int),
> + &machdep->nr_irqs);
> +
> MEMBER_OFFSET_INIT(elf_prstatus_pr_reg, "elf_prstatus",
> "pr_reg");
> STRUCT_SIZE_INIT(note_buf, "note_buf_t");
> --
> 2.1.0
--
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