80ccba1186
Convert printks to use dev_printk(). I converted pr_debug() to dev_dbg(). Both use KERN_DEBUG and are enabled only when DEBUG is defined. I converted printk(KERN_DEBUG) to dev_printk(KERN_DEBUG), not to dev_dbg(), because dev_dbg() is only enabled when DEBUG is defined. I converted DBG(KERN_INFO) (only in setup-bus.c) to dev_info(). The DBG() name makes it sound like debug, but it's been enabled forever, so dev_info() preserves the previous behavior. I tried to make the resource assignment formats more consistent, e.g., "BAR %d: got res [%#llx-%#llx] bus [%#llx-%#llx] flags %#lx\n" instead of sometimes using "start-end" and sometimes using "size@start". I'm not attached to one or the other; I'd just like them consistent. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* drivers/pci/setup-irq.c
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*
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* Extruded from code written by
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* Dave Rusling (david.rusling@reo.mts.dec.com)
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* David Mosberger (davidm@cs.arizona.edu)
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* David Miller (davem@redhat.com)
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*
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* Support routines for initializing a PCI subsystem.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/errno.h>
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#include <linux/ioport.h>
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#include <linux/cache.h>
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static void __init
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pdev_fixup_irq(struct pci_dev *dev,
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u8 (*swizzle)(struct pci_dev *, u8 *),
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int (*map_irq)(struct pci_dev *, u8, u8))
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{
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u8 pin, slot;
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int irq = 0;
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/* If this device is not on the primary bus, we need to figure out
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which interrupt pin it will come in on. We know which slot it
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will come in on 'cos that slot is where the bridge is. Each
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time the interrupt line passes through a PCI-PCI bridge we must
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apply the swizzle function. */
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pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
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/* Cope with illegal. */
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if (pin > 4)
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pin = 1;
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if (pin != 0) {
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/* Follow the chain of bridges, swizzling as we go. */
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slot = (*swizzle)(dev, &pin);
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irq = (*map_irq)(dev, slot, pin);
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if (irq == -1)
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irq = 0;
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}
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dev->irq = irq;
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dev_dbg(&dev->dev, "fixup irq: got %d\n", dev->irq);
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/* Always tell the device, so the driver knows what is
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the real IRQ to use; the device does not use it. */
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pcibios_update_irq(dev, irq);
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}
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void __init
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pci_fixup_irqs(u8 (*swizzle)(struct pci_dev *, u8 *),
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int (*map_irq)(struct pci_dev *, u8, u8))
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{
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struct pci_dev *dev = NULL;
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while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
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pdev_fixup_irq(dev, swizzle, map_irq);
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}
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}
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