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e87c621dce
The lock is taken in atomic context, replace it with a spinlock. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
35 lines
875 B
C
35 lines
875 B
C
/* shmobile-ipmmu.h
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*
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* Copyright (C) 2012 Hideki EIRAKU
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*/
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#ifndef __SHMOBILE_IPMMU_H__
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#define __SHMOBILE_IPMMU_H__
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struct shmobile_ipmmu {
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struct device *dev;
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void __iomem *ipmmu_base;
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int tlb_enabled;
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spinlock_t flush_lock;
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const char * const *dev_names;
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unsigned int num_dev_names;
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};
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#ifdef CONFIG_SHMOBILE_IPMMU_TLB
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void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu);
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void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size,
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int asid);
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int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu);
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#else
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static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu)
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{
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return -EINVAL;
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}
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#endif
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#endif /* __SHMOBILE_IPMMU_H__ */
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