linux/arch/arm/include/asm/device.h
Christoph Hellwig c9cb01369b ARM/dma-mapping: remove the dma_coherent member of struct dev_archdata
Since commit ae626eb97376 ("ARM/dma-mapping: use dma-direct
unconditionally") only the dma_coherent flag in struct device is used,
so remove the now write only flag in struct dev_archdata.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-10-06 14:31:08 +02:00

30 lines
533 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Arch specific extensions to struct device
*/
#ifndef ASMARM_DEVICE_H
#define ASMARM_DEVICE_H
struct dev_archdata {
#ifdef CONFIG_ARM_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
unsigned int dma_ops_setup:1;
};
struct omap_device;
struct pdev_archdata {
#ifdef CONFIG_ARCH_OMAP
struct omap_device *od;
#endif
};
#ifdef CONFIG_ARM_DMA_USE_IOMMU
#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
#else
#define to_dma_iommu_mapping(dev) NULL
#endif
#endif