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-rw-r--r--include/linux/usb.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 27a4e16d2bf..73b68d1f2cb 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -376,6 +376,12 @@ struct usb_bus {
struct usb_tt;
+enum usb_device_removable {
+ USB_DEVICE_REMOVABLE_UNKNOWN = 0,
+ USB_DEVICE_REMOVABLE,
+ USB_DEVICE_FIXED,
+};
+
/**
* struct usb_device - kernel's representation of a USB device
* @devnum: device number; address on a USB bus
@@ -432,6 +438,7 @@ struct usb_tt;
* @wusb_dev: if this is a Wireless USB device, link to the WUSB
* specific data for the device.
* @slot_id: Slot ID assigned by xHCI
+ * @removable: Device can be physically removed from this port
*
* Notes:
* Usbcore drivers should not set usbdev->state directly. Instead use
@@ -494,7 +501,7 @@ struct usb_device {
#endif
int maxchild;
- struct usb_device *children[USB_MAXCHILDREN];
+ struct usb_device **children;
u32 quirks;
atomic_t urbnum;
@@ -509,6 +516,7 @@ struct usb_device {
#endif
struct wusb_dev *wusb_dev;
int slot_id;
+ enum usb_device_removable removable;
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
@@ -1073,6 +1081,7 @@ typedef void (*usb_complete_t)(struct urb *);
* which the host controller driver should use in preference to the
* transfer_buffer.
* @sg: scatter gather buffer list
+ * @num_mapped_sgs: (internal) number of mapped sg entries
* @num_sgs: number of entries in the sg list
* @transfer_buffer_length: How big is transfer_buffer. The transfer may
* be broken up into chunks according to the current maximum packet