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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#ifndef __ASM_CRIS_PCI_H
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#define __ASM_CRIS_PCI_H
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#ifdef __KERNEL__
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#include <linux/mm.h> /* for struct page */
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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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#define pcibios_assign_all_busses(void) 1
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#define PCIBIOS_MIN_IO 0x1000
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#define PCIBIOS_MIN_MEM 0x10000000
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#define PCIBIOS_MIN_CARDBUS_IO 0x4000
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void pcibios_config_init(void);
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struct pci_bus * pcibios_scan_root(int bus);
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void pcibios_set_master(struct pci_dev *dev);
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struct irq_routing_table *pcibios_get_irq_routing_table(void);
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int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
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/* Dynamic DMA mapping stuff.
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* i386 has everything mapped statically.
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*/
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <asm/scatterlist.h>
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#include <linux/string.h>
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#include <asm/io.h>
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struct pci_dev;
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/* The PCI address space does equal the physical memory
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* address space. The networking and block device layers use
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* this boolean for bounce buffer decisions.
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*/
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#define PCI_DMA_BUS_IS_PHYS (1)
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#define HAVE_PCI_MMAP
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extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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enum pci_mmap_state mmap_state, int write_combine);
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#endif /* __KERNEL__ */
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/* implement the pci_ DMA API in terms of the generic device dma_ one */
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#include <asm-generic/pci-dma-compat.h>
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/* generic pci stuff */
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#include <asm-generic/pci.h>
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#endif /* __ASM_CRIS_PCI_H */
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