Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 5e49e82..e656e7b 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -200,7 +200,6 @@
* @dev: driver model's view of this device
* @usb_dev: if an interface is bound to the USB major, this will point
* to the sysfs representation for that device.
- * @pm_usage_cnt: PM usage counter for this interface
* @reset_ws: Used for scheduling resets from atomic context.
* @resetting_device: USB core reset the device, so use alt setting 0 as
* current; needs bandwidth alloc after reset.
@@ -257,7 +256,6 @@
struct device dev; /* interface specific device info */
struct device *usb_dev;
- atomic_t pm_usage_cnt; /* usage counter for autosuspend */
struct work_struct reset_ws; /* for resets in atomic context */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
@@ -428,7 +426,6 @@
struct device *sysdev; /* as seen from firmware or bus */
int busnum; /* Bus number (in order of reg) */
const char *bus_name; /* stable id (PCI slot_name etc) */
- u8 uses_dma; /* Does the host controller use DMA? */
u8 uses_pio_for_control; /*
* Does the host controller use PIO
* for control transfers?
@@ -580,6 +577,7 @@
* @bus_mA: Current available from the bus
* @portnum: parent port number (origin 1)
* @level: number of USB hub ancestors
+ * @devaddr: device address, XHCI: assigned by HW, others: same as devnum
* @can_submit: URBs may be submitted
* @persist_enabled: USB_PERSIST enabled for this device
* @have_langid: whether string_langid is valid
@@ -663,6 +661,7 @@
unsigned short bus_mA;
u8 portnum;
u8 level;
+ u8 devaddr;
unsigned can_submit:1;
unsigned persist_enabled:1;
@@ -1151,6 +1150,8 @@
* @id_table: USB drivers use ID table to support hotplugging.
* Export this with MODULE_DEVICE_TABLE(usb,...). This must be set
* or your driver's probe function will never get called.
+ * @dev_groups: Attributes attached to the device that will be created once it
+ * is bound to the driver.
* @dynids: used internally to hold the list of dynamically added device
* ids for this driver.
* @drvwrap: Driver-model core structure wrapper.
@@ -1198,6 +1199,7 @@
int (*post_reset)(struct usb_interface *intf);
const struct usb_device_id *id_table;
+ const struct attribute_group **dev_groups;
struct usb_dynids dynids;
struct usbdrv_wrap drvwrap;
@@ -1221,6 +1223,8 @@
* module is being unloaded.
* @suspend: Called when the device is going to be suspended by the system.
* @resume: Called when the device is being resumed by the system.
+ * @dev_groups: Attributes attached to the device that will be created once it
+ * is bound to the driver.
* @drvwrap: Driver-model core structure wrapper.
* @supports_autosuspend: if set to 0, the USB core will not allow autosuspend
* for devices bound to this driver.
@@ -1235,6 +1239,7 @@
int (*suspend) (struct usb_device *udev, pm_message_t message);
int (*resume) (struct usb_device *udev, pm_message_t message);
+ const struct attribute_group **dev_groups;
struct usbdrv_wrap drvwrap;
unsigned int supports_autosuspend:1;
};
@@ -1457,7 +1462,7 @@
* field rather than determining a dma address themselves.
*
* Note that transfer_buffer must still be set if the controller
- * does not support DMA (as indicated by bus.uses_dma) and when talking
+ * does not support DMA (as indicated by hcd_uses_dma()) and when talking
* to root hub. If you have to trasfer between highmem zone and the device
* on such controller, create a bounce buffer or bail out with an error.
* If transfer_buffer cannot be set (is in highmem) and the controller is DMA
@@ -1545,10 +1550,10 @@
struct urb {
/* private: usb core and host controller only fields in the urb */
struct kref kref; /* reference count of the URB */
+ int unlinked; /* unlink error code */
void *hcpriv; /* private data for host controller */
atomic_t use_count; /* concurrent submissions counter */
atomic_t reject; /* submissions will fail */
- int unlinked; /* unlink error code */
/* public: documented fields in the urb that can be used by drivers */
struct list_head urb_list; /* list head for use by the urb's