nand_irq_lock 110 drivers/memory/fsl_ifc.c static DEFINE_SPINLOCK(nand_irq_lock); nand_irq_lock 118 drivers/memory/fsl_ifc.c spin_lock_irqsave(&nand_irq_lock, flags); nand_irq_lock 127 drivers/memory/fsl_ifc.c spin_unlock_irqrestore(&nand_irq_lock, flags);