sdhci_thread_irq
return sdhci_thread_irq(irq, dev_id);
EXPORT_SYMBOL_GPL(sdhci_thread_irq);
sdhci_thread_irq, IRQF_SHARED,
host->thread_irq_fn = sdhci_thread_irq;
irqreturn_t sdhci_thread_irq(int irq, void *dev_id);