split_lock 171 drivers/iommu/io-pgtable-arm-v7s.c spinlock_t split_lock; split_lock 672 drivers/iommu/io-pgtable-arm-v7s.c spin_lock_irqsave(&data->split_lock, flags); split_lock 674 drivers/iommu/io-pgtable-arm-v7s.c spin_unlock_irqrestore(&data->split_lock, flags); split_lock 778 drivers/iommu/io-pgtable-arm-v7s.c spin_lock_init(&data->split_lock);