hook_irq 130 arch/mips/alchemy/devboards/bcsr.c void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq) hook_irq 146 arch/mips/alchemy/devboards/bcsr.c irq_set_chained_handler(hook_irq, bcsr_csc_handler); hook_irq 259 arch/mips/include/asm/mach-db1x00/bcsr.h void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq);