Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index e4c4663..98be06a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -122,13 +122,21 @@
struct acpiphp_context *context;
acpi_lock_hp_context();
+
context = acpiphp_get_context(adev);
- if (!context || context->func.parent->is_going_away) {
- acpi_unlock_hp_context();
- return NULL;
+ if (!context)
+ goto unlock;
+
+ if (context->func.parent->is_going_away) {
+ acpiphp_put_context(context);
+ context = NULL;
+ goto unlock;
}
+
get_bridge(context->func.parent);
acpiphp_put_context(context);
+
+unlock:
acpi_unlock_hp_context();
return context;
}
@@ -449,8 +457,15 @@
/* Scan non-hotplug bridges that need to be reconfigured */
for_each_pci_bridge(dev, bus) {
- if (!hotplug_is_native(dev))
- max = pci_scan_bridge(bus, dev, max, 1);
+ if (hotplug_is_native(dev))
+ continue;
+
+ max = pci_scan_bridge(bus, dev, max, 1);
+ if (dev->subordinate) {
+ pcibios_resource_survey_bus(dev->subordinate);
+ pci_bus_size_bridges(dev->subordinate);
+ pci_bus_assign_resources(dev->subordinate);
+ }
}
}
@@ -480,7 +495,6 @@
if (PCI_SLOT(dev->devfn) == slot->device)
acpiphp_native_scan_bridge(dev);
}
- pci_assign_unassigned_bridge_resources(bus->self);
} else {
LIST_HEAD(add_list);
int max, pass;
@@ -526,6 +540,7 @@
slot->flags &= ~SLOT_ENABLED;
continue;
}
+ pci_dev_put(dev);
}
}