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https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
325ef1857f
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>
32 lines
722 B
C
32 lines
722 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ASMARM_PCI_H
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#define ASMARM_PCI_H
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#ifdef __KERNEL__
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#include <asm/mach/pci.h> /* for pci_sys_data */
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extern unsigned long pcibios_min_io;
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#define PCIBIOS_MIN_IO pcibios_min_io
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extern unsigned long pcibios_min_mem;
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#define PCIBIOS_MIN_MEM pcibios_min_mem
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#define pcibios_assign_all_busses() pci_has_flag(PCI_REASSIGN_ALL_BUS)
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#ifdef CONFIG_PCI_DOMAINS
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return pci_domain_nr(bus);
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}
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#endif /* CONFIG_PCI_DOMAINS */
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#define HAVE_PCI_MMAP
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#define ARCH_GENERIC_PCI_MMAP_RESOURCE
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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 /* __KERNEL__ */
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#endif
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