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PCI: Tidy comments

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Make comments follow multi-line comment conventions. No functional change
intended.

Link: https://lore.kernel.org/r/YUZJenW2UCA4Qu0O@pranay-desktop
Signed-off-by: Pranay Sanghai <pranaysanghai@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Pranay Sanghai
2021-09-18 13:18:02 -07:00
committed by Bjorn Helgaas
parent e4e737bb5c
commit 9a0a1417d3
1 changed files with 14 additions and 12 deletions
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26
drivers/pci/setup-irq.c
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@@ -8,7 +8,6 @@
* David Miller (davem@redhat.com) * David Miller (davem@redhat.com)
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/errno.h> #include <linux/errno.h>
@@ -28,25 +27,26 @@ void pci_assign_irq(struct pci_dev *dev)
return; return;
} }
/* If this device is not on the primary bus, we need to figure out /*
which interrupt pin it will come in on. We know which slot it * If this device is not on the primary bus, we need to figure out
will come in on 'cos that slot is where the bridge is. Each * which interrupt pin it will come in on. We know which slot it
time the interrupt line passes through a PCI-PCI bridge we must * will come in on because that slot is where the bridge is. Each
apply the swizzle function. */ * time the interrupt line passes through a PCI-PCI bridge we must
* apply the swizzle function.
*/
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
/* Cope with illegal. */ /* Cope with illegal. */
if (pin > 4) if (pin > 4)
pin = 1; pin = 1;
if (pin) { if (pin) {
/* Follow the chain of bridges, swizzling as we go. */ /* Follow the chain of bridges, swizzling as we go. */
if (hbrg->swizzle_irq) if (hbrg->swizzle_irq)
slot = (*(hbrg->swizzle_irq))(dev, &pin); slot = (*(hbrg->swizzle_irq))(dev, &pin);
/* /*
* If a swizzling function is not used map_irq must * If a swizzling function is not used, map_irq() must
* ignore slot * ignore slot.
*/ */
irq = (*(hbrg->map_irq))(dev, slot, pin); irq = (*(hbrg->map_irq))(dev, slot, pin);
if (irq == -1) if (irq == -1)
@@ -56,7 +56,9 @@ void pci_assign_irq(struct pci_dev *dev)
pci_dbg(dev, "assign IRQ: got %d\n", dev->irq); pci_dbg(dev, "assign IRQ: got %d\n", dev->irq);
/* Always tell the device, so the driver knows what is /*
the real IRQ to use; the device does not use it. */ * Always tell the device, so the driver knows what is the real IRQ
* to use; the device does not use it.
*/
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
} }