DB1200_SD0_INSERT_INT
if (irq == DB1200_SD0_INSERT_INT)
enable_irq(DB1200_SD0_INSERT_INT);
ret = request_threaded_irq(DB1200_SD0_INSERT_INT, db1200_mmc_cd,
free_irq(DB1200_SD0_INSERT_INT, mmc_host);
enable_irq(DB1200_SD0_INSERT_INT);
free_irq(DB1200_SD0_INSERT_INT, mmc_host);
irq_set_status_flags(DB1200_SD0_INSERT_INT, IRQ_NOAUTOEN);