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-rw-r--r--drivers/acpi/scan.c19
-rw-r--r--include/acpi/acpi_bus.h2
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 8e63d937babb..f9e790479059 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1524,7 +1524,7 @@ static int acpi_check_serial_bus_slave(struct acpi_resource *ares, void *data)
return -1;
}
-static bool acpi_is_serial_bus_slave(struct acpi_device *device)
+static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
{
struct list_head resource_list;
bool is_serial_bus_slave = false;
@@ -1560,7 +1560,8 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
acpi_bus_get_flags(device);
device->flags.match_driver = false;
device->flags.initialized = true;
- device->flags.serial_bus_slave = acpi_is_serial_bus_slave(device);
+ device->flags.enumeration_by_parent =
+ acpi_device_enumeration_by_parent(device);
acpi_device_clear_enumerated(device);
device_initialize(&device->dev);
dev_set_uevent_suppress(&device->dev, true);
@@ -1858,10 +1859,10 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used,
static void acpi_default_enumeration(struct acpi_device *device)
{
/*
- * Do not enumerate SPI/I2C/UART slaves as they will be enumerated by
- * their respective parents.
+ * Do not enumerate devices with enumeration_by_parent flag set as
+ * they will be enumerated by their respective parents.
*/
- if (!device->flags.serial_bus_slave) {
+ if (!device->flags.enumeration_by_parent) {
acpi_create_platform_device(device, NULL);
acpi_device_set_enumerated(device);
} else {
@@ -1958,7 +1959,7 @@ static void acpi_bus_attach(struct acpi_device *device)
return;
device->flags.match_driver = true;
- if (ret > 0 && !device->flags.serial_bus_slave) {
+ if (ret > 0 && !device->flags.enumeration_by_parent) {
acpi_device_set_enumerated(device);
goto ok;
}
@@ -1967,10 +1968,10 @@ static void acpi_bus_attach(struct acpi_device *device)
if (ret < 0)
return;
- if (!device->pnp.type.platform_id && !device->flags.serial_bus_slave)
- acpi_device_set_enumerated(device);
- else
+ if (device->pnp.type.platform_id || device->flags.enumeration_by_parent)
acpi_default_enumeration(device);
+ else
+ acpi_device_set_enumerated(device);
ok:
list_for_each_entry(child, &device->children, node)
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c9608b0b80c6..ba4dd54f2c82 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -215,7 +215,7 @@ struct acpi_device_flags {
u32 of_compatible_ok:1;
u32 coherent_dma:1;
u32 cca_seen:1;
- u32 serial_bus_slave:1;
+ u32 enumeration_by_parent:1;
u32 reserved:19;
};