mirror of https://gitee.com/openkylin/linux.git
32 lines
676 B
C
32 lines
676 B
C
#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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int irq;
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if (dev->bus->number == 0) {
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switch (slot) {
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case 4: return 5; /* eth0 */
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case 8: return 5; /* eth1 */
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case 6: return 2; /* PCI bridge */
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default:
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printk(KERN_ERR "PCI: Bad IRQ mapping request "
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"for slot %d\n", slot);
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return 2;
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}
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} else {
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switch (pin) {
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case 0: irq = 2; break;
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case 1: irq = 2; break;
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case 2: irq = 2; break;
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case 3: irq = 2; break;
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case 4: irq = 2; break;
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default: irq = -1; break;
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}
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}
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return irq;
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}
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