Merge branches 'acpi-dock', 'acpi-ec' and 'acpi-scan'
* acpi-dock:
MAINTAINERS: remove maintainship entry of docking station driver
* acpi-ec:
ACPI / EC: fix NULL pointer dereference in acpi_ec_remove_query_handler()
* acpi-scan:
ACPI / scan: Add a scan handler for PRP0001
ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()
diff --git a/MAINTAINERS b/MAINTAINERS
index f7bbaec..779d1df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3272,12 +3272,6 @@
F: drivers/firmware/dmi_scan.c
F: include/linux/dmi.h
-DOCKING STATION DRIVER
-M: Shaohua Li <shaohua.li@intel.com>
-L: linux-acpi@vger.kernel.org
-S: Supported
-F: drivers/acpi/dock.c
-
DOCUMENTATION
M: Jonathan Corbet <corbet@lwn.net>
L: linux-doc@vger.kernel.org
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 220d640..5e8fed4 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -861,7 +861,7 @@
}
}
mutex_unlock(&ec->mutex);
- list_for_each_entry(handler, &free_list, node)
+ list_for_each_entry_safe(handler, tmp, &free_list, node)
acpi_ec_put_query_handler(handler);
}
EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 69bc0d8..03141aa 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -375,7 +375,11 @@
struct acpi_device_physical_node *pn;
bool offline = true;
- mutex_lock(&adev->physical_node_lock);
+ /*
+ * acpi_container_offline() calls this for all of the container's
+ * children under the container's physical_node_lock lock.
+ */
+ mutex_lock_nested(&adev->physical_node_lock, SINGLE_DEPTH_NESTING);
list_for_each_entry(pn, &adev->physical_node_list, node)
if (device_supports_offline(pn->dev) && !pn->dev->offline) {
@@ -2388,9 +2392,6 @@
struct list_head resource_list;
bool is_spi_i2c_slave = false;
- if (!device->pnp.type.platform_id || device->handler)
- return;
-
/*
* Do not enemerate SPI/I2C slaves as they will be enuerated by their
* respective parents.
@@ -2403,6 +2404,29 @@
acpi_create_platform_device(device);
}
+static const struct acpi_device_id generic_device_ids[] = {
+ {"PRP0001", },
+ {"", },
+};
+
+static int acpi_generic_device_attach(struct acpi_device *adev,
+ const struct acpi_device_id *not_used)
+{
+ /*
+ * Since PRP0001 is the only ID handled here, the test below can be
+ * unconditional.
+ */
+ if (adev->data.of_compatible)
+ acpi_default_enumeration(adev);
+
+ return 1;
+}
+
+static struct acpi_scan_handler generic_device_handler = {
+ .ids = generic_device_ids,
+ .attach = acpi_generic_device_attach,
+};
+
static int acpi_scan_attach_handler(struct acpi_device *device)
{
struct acpi_hardware_id *hwid;
@@ -2428,8 +2452,6 @@
break;
}
}
- if (!ret)
- acpi_default_enumeration(device);
return ret;
}
@@ -2471,6 +2493,9 @@
ret = device_attach(&device->dev);
if (ret < 0)
return;
+
+ if (!ret && device->pnp.type.platform_id)
+ acpi_default_enumeration(device);
}
device->flags.visited = true;
@@ -2629,6 +2654,8 @@
acpi_pnp_init();
acpi_int340x_thermal_init();
+ acpi_scan_add_handler(&generic_device_handler);
+
mutex_lock(&acpi_scan_lock);
/*
* Enumerate devices in the ACPI namespace.