a43ae58c84
pcibios_penalize_isa_irq() is only implemented by x86 now, and legacy ISA is not used by some architectures. Make pcibios_penalize_isa_irq() a __weak function to simplify the code. This removes the need for new platforms to add stub implementations of pcibios_penalize_isa_irq(). [bhelgaas: changelog, comments] Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* pci.h: FR-V specific PCI declarations
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*
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* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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* - Derived from include/asm-m68k/pci.h
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_FRV_PCI_H
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#define _ASM_FRV_PCI_H
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#include <linux/mm.h>
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#include <asm/scatterlist.h>
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#include <asm-generic/pci-dma-compat.h>
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#include <asm-generic/pci.h>
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struct pci_dev;
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#define pcibios_assign_all_busses() 0
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extern void pcibios_set_master(struct pci_dev *dev);
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#ifdef CONFIG_MMU
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extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
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extern void consistent_free(void *vaddr);
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extern void consistent_sync(void *vaddr, size_t size, int direction);
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extern void consistent_sync_page(struct page *page, unsigned long offset,
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size_t size, int direction);
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#endif
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extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
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dma_addr_t *dma_handle);
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extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
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void *vaddr, dma_addr_t dma_handle);
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/* Return the index of the PCI controller for device PDEV. */
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#define pci_controller_num(PDEV) (0)
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#ifdef CONFIG_PCI
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static inline void pci_dma_burst_advice(struct pci_dev *pdev,
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enum pci_dma_burst_strategy *strat,
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unsigned long *strategy_parameter)
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{
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*strat = PCI_DMA_BURST_INFINITY;
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*strategy_parameter = ~0UL;
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}
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#endif
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/*
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* These are pretty much arbitrary with the CoMEM implementation.
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* We have the whole address space to ourselves.
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*/
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#define PCIBIOS_MIN_IO 0x100
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#define PCIBIOS_MIN_MEM 0x00010000
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#endif /* _ASM_FRV_PCI_H */
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