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-rw-r--r--include/linux/device.h37
-rw-r--r--include/linux/usb.h7
2 files changed, 37 insertions, 7 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 38a2071cf776..8566fa98b239 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -351,6 +351,22 @@ enum dl_dev_state {
};
/**
+ * enum device_removable - Whether the device is removable. The criteria for a
+ * device to be classified as removable is determined by its subsystem or bus.
+ * @DEVICE_REMOVABLE_NOT_SUPPORTED: This attribute is not supported for this
+ * device (default).
+ * @DEVICE_REMOVABLE_UNKNOWN: Device location is Unknown.
+ * @DEVICE_FIXED: Device is not removable by the user.
+ * @DEVICE_REMOVABLE: Device is removable by the user.
+ */
+enum device_removable {
+ DEVICE_REMOVABLE_NOT_SUPPORTED = 0, /* must be 0 */
+ DEVICE_REMOVABLE_UNKNOWN,
+ DEVICE_FIXED,
+ DEVICE_REMOVABLE,
+};
+
+/**
* struct dev_links_info - Device data related to device links.
* @suppliers: List of links to supplier devices.
* @consumers: List of links to consumer devices.
@@ -431,6 +447,9 @@ struct dev_links_info {
* device (i.e. the bus driver that discovered the device).
* @iommu_group: IOMMU group the device belongs to.
* @iommu: Per device generic IOMMU runtime data
+ * @removable: Whether the device can be removed from the system. This
+ * should be set by the subsystem / bus driver that discovered
+ * the device.
*
* @offline_disabled: If set, the device is permanently online.
* @offline: Set after successful invocation of bus type's .offline().
@@ -544,6 +563,8 @@ struct device {
struct iommu_group *iommu_group;
struct dev_iommu *iommu;
+ enum device_removable removable;
+
bool offline_disabled:1;
bool offline:1;
bool of_node_reused:1;
@@ -782,6 +803,22 @@ static inline bool dev_has_sync_state(struct device *dev)
return false;
}
+static inline void dev_set_removable(struct device *dev,
+ enum device_removable removable)
+{
+ dev->removable = removable;
+}
+
+static inline bool dev_is_removable(struct device *dev)
+{
+ return dev->removable == DEVICE_REMOVABLE;
+}
+
+static inline bool dev_removable_is_valid(struct device *dev)
+{
+ return dev->removable != DEVICE_REMOVABLE_NOT_SUPPORTED;
+}
+
/*
* High level routines for use by the bus drivers
*/
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 4db6b824af5c..7ccaa76a9a96 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -473,12 +473,6 @@ struct usb_dev_state;
struct usb_tt;
-enum usb_device_removable {
- USB_DEVICE_REMOVABLE_UNKNOWN = 0,
- USB_DEVICE_REMOVABLE,
- USB_DEVICE_FIXED,
-};
-
enum usb_port_connect_type {
USB_PORT_CONNECT_TYPE_UNKNOWN = 0,
USB_PORT_CONNECT_TYPE_HOT_PLUG,
@@ -703,7 +697,6 @@ struct usb_device {
#endif
struct wusb_dev *wusb_dev;
int slot_id;
- enum usb_device_removable removable;
struct usb2_lpm_parameters l1_params;
struct usb3_lpm_parameters u1_params;
struct usb3_lpm_parameters u2_params;