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authorBjorn Helgaas <bhelgaas@google.com>2014-01-24 12:38:40 -0500
committerBjorn Helgaas <bhelgaas@google.com>2014-02-12 19:31:54 -0500
commitaffbda86feef8da5056effe5d71da7981b2a9565 (patch)
tree7bf7c99f507e232fff63a510ce0f8542ad8bd8f3
parent8928d5a66df1428fd215e611088822d0bec08f58 (diff)
x86/PCI: Reword comments
Reword comments so they make sense. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--arch/x86/pci/acpi.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index ef7e92068eb1..0073348b2960 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -519,15 +519,12 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
519 sd->domain = domain; 519 sd->domain = domain;
520 sd->node = node; 520 sd->node = node;
521 sd->companion = device; 521 sd->companion = device;
522 /* 522
523 * Maybe the desired pci bus has been already scanned. In such case
524 * it is unnecessary to scan the pci bus with the given domain,busnum.
525 */
526 bus = pci_find_bus(domain, busnum); 523 bus = pci_find_bus(domain, busnum);
527 if (bus) { 524 if (bus) {
528 /* 525 /*
529 * If the desired bus exits, the content of bus->sysdata will 526 * If the desired bus has been scanned already, replace
530 * be replaced by sd. 527 * its bus->sysdata.
531 */ 528 */
532 memcpy(bus->sysdata, sd, sizeof(*sd)); 529 memcpy(bus->sysdata, sd, sizeof(*sd));
533 kfree(info); 530 kfree(info);