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![Christoph Hellwig](/assets/img/avatar_default.png)
This was used by the ide, scsi and networking code in the past to determine if they should bounce payloads. Now that the dma mapping always have to support dma to all physical memory (thanks to swiotlb for non-iommu systems) there is no need to this crude hack any more. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Palmer Dabbelt <palmer@sifive.com> (for riscv) Reviewed-by: Jens Axboe <axboe@kernel.dk>
17 lines
401 B
C
17 lines
401 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* linux/include/asm-generic/pci.h
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*
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* Copyright (C) 2003 Russell King
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*/
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#ifndef _ASM_GENERIC_PCI_H
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#define _ASM_GENERIC_PCI_H
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#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
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{
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return channel ? 15 : 14;
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}
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#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
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#endif /* _ASM_GENERIC_PCI_H */
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