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Commit c5cd037d authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-mapping: provide a generic asm/dma-mapping.h 



For architectures that just use the generic dma_noop_ops we can provide
a generic version of dma-mapping.h.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent cea9d03c

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -4338,6 +4338,7 @@ F: lib/dma-noop.c 
F:	lib/dma-virt.c

F:	drivers/base/dma-mapping.c

F:	drivers/base/dma-coherent.c

F:	include/asm-generic/dma-mapping.h

F:	include/linux/dma-direct.h

F:	include/linux/dma-mapping.h

arch/m32r/include/asm/Kbuild

+1 −0
Original line number Diff line number Diff line 
generic-y += clkdev.h

generic-y += current.h

generic-y += dma-mapping.h

generic-y += exec.h

generic-y += extable.h

generic-y += irq_work.h

arch/riscv/include/asm/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ generic-y += device.h 
generic-y += div64.h

generic-y += dma.h

generic-y += dma-contiguous.h

generic-y += dma-mapping.h

generic-y += emergency-restart.h

generic-y += errno.h

generic-y += exec.h

arch/riscv/include/asm/dma-mapping.h

deleted100644 → 0
+0 −30
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2003-2004 Hewlett-Packard Co

 *	David Mosberger-Tang <davidm@hpl.hp.com>

 * Copyright (C) 2012 ARM Ltd.

 * Copyright (C) 2016 SiFive, Inc.

 *

 * 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_RISCV_DMA_MAPPING_H

#define __ASM_RISCV_DMA_MAPPING_H



/* Use ops->dma_mapping_error (if it exists) or assume success */

// #undef DMA_ERROR_CODE



static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)

{

	return &dma_noop_ops;

}



#endif	/* __ASM_RISCV_DMA_MAPPING_H */

arch/s390/include/asm/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ generic-y += cacheflush.h 
generic-y += clkdev.h

generic-y += device.h

generic-y += dma-contiguous.h

generic-y += dma-mapping.h

generic-y += div64.h

generic-y += emergency-restart.h

generic-y += export.h