Introduce a boolean flag and an accessor function to check whether a device is dma_coherent. Set the flag from set_arch_dma_coherent_ops. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
		
			
				
	
	
		
			30 lines
		
	
	
	
		
			851 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
	
		
			851 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (C) 2012 ARM Ltd.
 | 
						|
 *
 | 
						|
 * This program is free software; you can redistribute it and/or modify
 | 
						|
 * it under the terms of the GNU General Public License version 2 as
 | 
						|
 * published by the Free Software Foundation.
 | 
						|
 *
 | 
						|
 * This program is distributed in the hope that it will be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
 * GNU General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU General Public License
 | 
						|
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | 
						|
 */
 | 
						|
#ifndef __ASM_DEVICE_H
 | 
						|
#define __ASM_DEVICE_H
 | 
						|
 | 
						|
struct dev_archdata {
 | 
						|
	struct dma_map_ops *dma_ops;
 | 
						|
#ifdef CONFIG_IOMMU_API
 | 
						|
	void *iommu;			/* private IOMMU data */
 | 
						|
#endif
 | 
						|
	bool dma_coherent;
 | 
						|
};
 | 
						|
 | 
						|
struct pdev_archdata {
 | 
						|
};
 | 
						|
 | 
						|
#endif
 |