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authorBjorn Helgaas <bhelgaas@google.com>2014-01-24 10:38:40 -0700
committerBjorn Helgaas <bhelgaas@google.com>2014-02-12 17:31:54 -0700
commitaffbda86feef8da5056effe5d71da7981b2a9565 (patch)
tree7bf7c99f507e232fff63a510ce0f8542ad8bd8f3 /arch/x86/pci/acpi.c
parentx86/PCI: Remove unnecessary local variable initialization (diff)
downloadlinux-dev-affbda86feef8da5056effe5d71da7981b2a9565.tar.xz
linux-dev-affbda86feef8da5056effe5d71da7981b2a9565.zip
x86/PCI: Reword comments
Reword comments so they make sense. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/x86/pci/acpi.c')
-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)
sd->domain = domain;
sd->node = node;
sd->companion = device;
- /*
- * Maybe the desired pci bus has been already scanned. In such case
- * it is unnecessary to scan the pci bus with the given domain,busnum.
- */
+
bus = pci_find_bus(domain, busnum);
if (bus) {
/*
- * If the desired bus exits, the content of bus->sysdata will
- * be replaced by sd.
+ * If the desired bus has been scanned already, replace
+ * its bus->sysdata.
*/
memcpy(bus->sysdata, sd, sizeof(*sd));
kfree(info);