mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-04-24 14:07:52 -04:00
abb4970ac3
The isa_dma_bridge_buggy symbol is only used for x86_32, and only x86_32 platforms or quirks ever set it. Add a new linux/isa-dma.h header that #defines isa_dma_bridge_buggy to 0 except on x86_32, where we keep it as a variable, and remove all the arch- specific definitions. [bhelgaas: commit log] Suggested-by: Arnd Bergmann <arnd@arndb.de> Suggested-by: Christoph Hellwig <hch@infradead.org> Link: https://lore.kernel.org/r/20220722214944.831438-3-shorne@gmail.com Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
17 lines
317 B
C
17 lines
317 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_IA64_DMA_H
|
|
#define _ASM_IA64_DMA_H
|
|
|
|
/*
|
|
* Copyright (C) 1998-2002 Hewlett-Packard Co
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
*/
|
|
|
|
|
|
#include <asm/io.h> /* need byte IO */
|
|
|
|
extern unsigned long MAX_DMA_ADDRESS;
|
|
|
|
#define free_dma(x)
|
|
|
|
#endif /* _ASM_IA64_DMA_H */
|