mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-18 02:04:05 +08:00
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
|
|
*
|
|
* Copyright (C) 2012 Hideki EIRAKU
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*/
|
|
|
|
#ifndef __SHMOBILE_IPMMU_H__
|
|
#define __SHMOBILE_IPMMU_H__
|
|
|
|
struct shmobile_ipmmu {
|
|
struct device *dev;
|
|
void __iomem *ipmmu_base;
|
|
int tlb_enabled;
|
|
spinlock_t flush_lock;
|
|
const char * const *dev_names;
|
|
unsigned int num_dev_names;
|
|
};
|
|
|
|
#ifdef CONFIG_SHMOBILE_IPMMU_TLB
|
|
void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu);
|
|
void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size,
|
|
int asid);
|
|
int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu);
|
|
#else
|
|
static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __SHMOBILE_IPMMU_H__ */
|