mirror of https://gitee.com/openkylin/linux.git
35 lines
848 B
C
35 lines
848 B
C
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#include <linux/pci.h>
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#include <linux/init.h>
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int pci_range_ck(unsigned char bus, unsigned char dev)
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{
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if (((bus == 0) || (bus == 1)) && (dev >= 6) && (dev <= 8))
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return 0;
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return -1;
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}
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/*
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* After detecting all agents over the PCI , this function is called
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* in order to give an interrupt number for each PCI device starting
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* from IRQ 20. It does also enables master for each device.
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*/
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void __devinit pcibios_fixup_bus(struct pci_bus *bus)
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{
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unsigned int irq = 20;
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struct pci_bus *current_bus = bus;
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struct pci_dev *dev;
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struct list_head *devices_link;
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list_for_each(devices_link, &(current_bus->devices)) {
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dev = pci_dev_b(devices_link);
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if (dev != NULL) {
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dev->irq = irq++;
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/* Assign an interrupt number for the device */
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pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
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pcibios_set_master(dev);
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}
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}
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}
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