Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 97e2dde..712b2a6 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -72,6 +72,12 @@
struct usb_host_endpoint *completing_ep;
};
+enum usb_dev_authorize_policy {
+ USB_DEVICE_AUTHORIZE_NONE = 0,
+ USB_DEVICE_AUTHORIZE_ALL = 1,
+ USB_DEVICE_AUTHORIZE_INTERNAL = 2,
+};
+
struct usb_hcd {
/*
@@ -92,6 +98,7 @@
#ifdef CONFIG_PM
struct work_struct wakeup_work; /* for remote wakeup */
#endif
+ struct work_struct died_work; /* for when the device dies */
/*
* hardware info/state
@@ -117,7 +124,6 @@
#define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */
#define HCD_FLAG_DEAD 6 /* controller has died? */
#define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */
-#define HCD_FLAG_DEV_AUTHORIZED 8 /* authorize devices? */
/* The flags can be tested using these macros; they are likely to
* be slightly faster than test_bit().
@@ -142,8 +148,7 @@
* or they require explicit user space authorization; this bit is
* settable through /sys/class/usb_host/X/authorized_default
*/
-#define HCD_DEV_AUTHORIZED(hcd) \
- ((hcd)->flags & (1U << HCD_FLAG_DEV_AUTHORIZED))
+ enum usb_dev_authorize_policy dev_policy;
/* Flags that get set only during HCD registration or removal. */
unsigned rh_registered:1;/* is root hub registered? */
@@ -211,6 +216,9 @@
#define HC_IS_RUNNING(state) ((state) & __ACTIVE)
#define HC_IS_SUSPENDED(state) ((state) & __SUSPEND)
+ /* memory pool for HCs having local memory, or %NULL */
+ struct gen_pool *localmem_pool;
+
/* more shared queuing code would be good; it should support
* smarter scheduling, handle transaction translators, etc;
* input size of periodic table to an interrupt scheduler.
@@ -235,11 +243,6 @@
return container_of(bus, struct usb_hcd, self);
}
-struct hcd_timeout { /* timeouts we allocate */
- struct list_head timeout_list;
- struct timer_list timer;
-};
-
/*-------------------------------------------------------------------------*/
@@ -253,7 +256,7 @@
int flags;
#define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */
-#define HCD_LOCAL_MEM 0x0002 /* HC needs local memory */
+#define HCD_DMA 0x0002 /* HC uses DMA */
#define HCD_SHARED 0x0004 /* Two (or more) usb_hcds share HW */
#define HCD_USB11 0x0010 /* USB 1.1 */
#define HCD_USB2 0x0020 /* USB 2.0 */
@@ -420,6 +423,11 @@
return hcd->high_prio_bh.completing_ep == ep;
}
+static inline bool hcd_uses_dma(struct usb_hcd *hcd)
+{
+ return IS_ENABLED(CONFIG_HAS_DMA) && (hcd->driver->flags & HCD_DMA);
+}
+
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb,
int status);
@@ -461,6 +469,8 @@
unsigned int irqnum, unsigned long irqflags);
extern void usb_remove_hcd(struct usb_hcd *hcd);
extern int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1);
+int usb_hcd_setup_local_mem(struct usb_hcd *hcd, phys_addr_t phys_addr,
+ dma_addr_t dma, size_t size);
struct platform_device;
extern void usb_hcd_platform_shutdown(struct platform_device *dev);
@@ -587,6 +597,10 @@
#define GetPortStatus HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, USB_REQ_GET_STATUS)
#define SetHubFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, USB_REQ_SET_FEATURE)
#define SetPortFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, USB_REQ_SET_FEATURE)
+#define ClearTTBuffer HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_CLEAR_TT_BUFFER)
+#define ResetTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_RESET_TT)
+#define GetTTState HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, HUB_GET_TT_STATE)
+#define StopTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_STOP_TT)
/*-------------------------------------------------------------------------*/
@@ -653,11 +667,16 @@
#define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN))
#ifdef CONFIG_PM
+extern unsigned usb_wakeup_enabled_descendants(struct usb_device *udev);
extern void usb_root_hub_lost_power(struct usb_device *rhdev);
extern int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg);
extern int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg);
extern void usb_hcd_resume_root_hub(struct usb_hcd *hcd);
#else
+static inline unsigned usb_wakeup_enabled_descendants(struct usb_device *udev)
+{
+ return 0;
+}
static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd)
{
return;