leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: Tidy comments

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/pci/setup-irq.c
View File

@ -8,7 +8,6 @@
* David Miller (davem@redhat.com)
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/errno.h>
@ -28,25 +27,26 @@ void pci_assign_irq(struct pci_dev *dev)
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
will come in on 'cos that slot is where the bridge is. Each
time the interrupt line passes through a PCI-PCI bridge we must
apply the swizzle function. */
/*
* 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
* will come in on because that slot is where the bridge is. Each
* 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);
/* Cope with illegal. */
if (pin > 4)
pin = 1;
if (pin) {
/* Follow the chain of bridges, swizzling as we go. */
/* Follow the chain of bridges, swizzling as we go. */
if (hbrg->swizzle_irq)
slot = (*(hbrg->swizzle_irq))(dev, &pin);
/*
* If a swizzling function is not used map_irq must
* ignore slot
* If a swizzling function is not used, map_irq() must
* ignore slot.
*/
irq = (*(hbrg->map_irq))(dev, slot, pin);
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);
/* 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);
}