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ACPI / hotplug / PCI: Eliminate acpiphp_dev_to_bridge() 

Since acpiphp_dev_to_bridge() is only called by
acpiphp_check_host_bridge(), move the code from it to that function
directly which reduces the call chain depth and makes the code
slightly easier to follow.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rafael J. Wysocki 2014-07-15 22:03:14 +02:00
parent 1795cd9b3a
commit 86f5f3ca49
1 changed files with 8 additions and 16 deletions
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24
drivers/pci/hotplug/acpiphp_glue.c
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@ -369,20 +369,6 @@ static acpi_status acpiphp_add_context(acpi_handle handle, u32 lvl, void *data,
return AE_OK;
}
static struct acpiphp_bridge *acpiphp_dev_to_bridge(struct acpi_device *adev)
{
struct acpiphp_bridge *bridge = NULL;
acpi_lock_hp_context();
if (adev->hp) {
bridge = to_acpiphp_root_context(adev->hp)->root_bridge;
if (bridge)
get_bridge(bridge);
}
acpi_unlock_hp_context();
return bridge;
}
static void cleanup_bridge(struct acpiphp_bridge *bridge)
{
struct acpiphp_slot *slot;
@ -753,9 +739,15 @@ static void acpiphp_sanitize_bus(struct pci_bus *bus)
void acpiphp_check_host_bridge(struct acpi_device *adev)
{
struct acpiphp_bridge *bridge;
struct acpiphp_bridge *bridge = NULL;
bridge = acpiphp_dev_to_bridge(adev);
acpi_lock_hp_context();
if (adev->hp) {
bridge = to_acpiphp_root_context(adev->hp)->root_bridge;
if (bridge)
get_bridge(bridge);
}
acpi_unlock_hp_context();
if (bridge) {
pci_lock_rescan_remove();