b8074aa246
Convert pci_resource_to_user() to a weak function so the existing architecture-specific implementations will automatically override the generic one. This allows us to remove HAVE_ARCH_PCI_RESOURCE_TO_USER definitions and avoid the conditional compilation for this single function. Link: https://lore.kernel.org/r/20190729101401.28068-1-efremov@linux.com Link: https://lore.kernel.org/r/20190729101401.28068-2-efremov@linux.com Link: https://lore.kernel.org/r/20190729101401.28068-3-efremov@linux.com Link: https://lore.kernel.org/r/20190729101401.28068-4-efremov@linux.com Link: https://lore.kernel.org/r/20190729101401.28068-5-efremov@linux.com Link: https://lore.kernel.org/r/20190729101401.28068-6-efremov@linux.com Signed-off-by: Denis Efremov <efremov@linux.com> [bhelgaas: squash into one commit] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ___ASM_SPARC_PCI_H
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#define ___ASM_SPARC_PCI_H
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/* Can be used to override the logic in pci_scan_bus for skipping
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* already-configured bus numbers - to be used for buggy BIOSes
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* or architectures with incomplete PCI setup by the loader.
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*/
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#define pcibios_assign_all_busses() 0
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#define PCIBIOS_MIN_IO 0UL
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#define PCIBIOS_MIN_MEM 0UL
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#define PCI_IRQ_NONE 0xffffffff
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#ifdef CONFIG_SPARC64
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/* PCI IOMMU mapping bypass support. */
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/* PCI 64-bit addressing works for all slots on all controller
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* types on sparc64. However, it requires that the device
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* can drive enough of the 64 bits.
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*/
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#define PCI64_REQUIRED_MASK (~(u64)0)
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#define PCI64_ADDR_BASE 0xfffc000000000000UL
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/* Return the index of the PCI controller for device PDEV. */
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int pci_domain_nr(struct pci_bus *bus);
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return 1;
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}
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/* Platform support for /proc/bus/pci/X/Y mmap()s. */
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#define HAVE_PCI_MMAP
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#define arch_can_pci_mmap_io() 1
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#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
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#define get_pci_unmapped_area get_fb_unmapped_area
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#endif /* CONFIG_SPARC64 */
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#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI)
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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 PCI_IRQ_NONE;
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}
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#else
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#include <asm-generic/pci.h>
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#endif
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#endif /* ___ASM_SPARC_PCI_H */
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