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Diffstat (limited to 'arch/mips/include/asm/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/dma-coherence.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h deleted file mode 100644 index 5eaa1fcc878a..000000000000 --- a/arch/mips/include/asm/dma-coherence.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> - * - */ -#ifndef __ASM_DMA_COHERENCE_H -#define __ASM_DMA_COHERENCE_H - -enum coherent_io_user_state { - IO_COHERENCE_DEFAULT, - IO_COHERENCE_ENABLED, - IO_COHERENCE_DISABLED, -}; - -#if defined(CONFIG_DMA_PERDEV_COHERENT) -/* Don't provide (hw_)coherentio to avoid misuse */ -#elif defined(CONFIG_DMA_MAYBE_COHERENT) -extern enum coherent_io_user_state coherentio; -extern int hw_coherentio; - -static inline bool dev_is_dma_coherent(struct device *dev) -{ - return coherentio == IO_COHERENCE_ENABLED || - (coherentio == IO_COHERENCE_DEFAULT && hw_coherentio); -} -#else -#ifdef CONFIG_DMA_NONCOHERENT -#define coherentio IO_COHERENCE_DISABLED -#else -#define coherentio IO_COHERENCE_ENABLED -#endif -#define hw_coherentio 0 -#endif /* CONFIG_DMA_MAYBE_COHERENT */ - -#endif |