From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Subject:
Using the hotplug context objects introduced previously rework the
ACPI-based PCI hotplug (ACPIPHP) core code to get to acpiphp_bridge
objects associated with hotplug bridges from those context objects
rather than from the global list of hotplug bridges.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/pci/hotplug/acpiphp_glue.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
Index: linux-pm/drivers/pci/hotplug/acpiphp_glue.c
===================================================================
--- linux-pm.orig/drivers/pci/hotplug/acpiphp_glue.c
+++ linux-pm/drivers/pci/hotplug/acpiphp_glue.c
@@ -464,18 +464,20 @@ static int detect_ejectable_slots(acpi_h
static struct acpiphp_bridge *acpiphp_handle_to_bridge(acpi_handle handle)
{
- struct acpiphp_bridge *bridge;
+ struct acpiphp_context *context;
+ struct acpiphp_bridge *bridge = NULL;
- mutex_lock(&bridge_mutex);
- list_for_each_entry(bridge, &bridge_list, list)
- if (bridge->handle == handle) {
+ mutex_lock(&acpiphp_context_lock);
+ context = acpiphp_get_context(handle);
+ if (context) {
+ bridge = context->bridge;
+ if (bridge)
get_bridge(bridge);
- mutex_unlock(&bridge_mutex);
- return bridge;
- }
- mutex_unlock(&bridge_mutex);
- return NULL;
+ acpiphp_put_context(context);
+ }
+ mutex_unlock(&acpiphp_context_lock);
+ return bridge;
}
static void cleanup_bridge(struct acpiphp_bridge *bridge)
--
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