1 files changed, 26 insertions, 23 deletions

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 4746816aed3e..9ffecd56600d 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -937,9 +937,6 @@ struct xhci_virt_device {
 #define XHCI_MAX_RINGS_CACHED   31
         struct xhci_virt_ep             eps[31];
         struct completion               cmd_completion;
-        /* Status of the last command issued for this device */
-        u32                             cmd_status;
-        struct list_head                cmd_list;
         u8                              fake_port;
         u8                              real_port;
         struct xhci_interval_bw_table   *bw_table;
@@ -1298,7 +1295,6 @@ struct xhci_td {
 
 /* command descriptor */
 struct xhci_cd {
-        struct list_head        cancel_cmd_list;
         struct xhci_command     *command;
         union xhci_trb          *cmd_trb;
 };
@@ -1476,6 +1472,8 @@ struct xhci_hcd {
         /* msi-x vectors */
         int             msix_count;
         struct msix_entry       *msix_entries;
+        /* optional clock */
+        struct clk              *clk;
         /* data structures */
         struct xhci_device_context_array *dcbaa;
         struct xhci_ring        *cmd_ring;
@@ -1483,8 +1481,10 @@ struct xhci_hcd {
 #define CMD_RING_STATE_RUNNING         (1 << 0)
 #define CMD_RING_STATE_ABORTED         (1 << 1)
 #define CMD_RING_STATE_STOPPED         (1 << 2)
-        struct list_head        cancel_cmd_list;
+        struct list_head        cmd_list;
         unsigned int            cmd_ring_reserved_trbs;
+        struct timer_list       cmd_timer;
+        struct xhci_command     *current_cmd;
         struct xhci_ring        *event_ring;
         struct xhci_erst        erst;
         /* Scratchpad */
@@ -1738,8 +1738,7 @@ static inline int xhci_register_pci(void) { return 0; }
 static inline void xhci_unregister_pci(void) {}
 #endif
 
-#if defined(CONFIG_USB_XHCI_PLATFORM) \
-        || defined(CONFIG_USB_XHCI_PLATFORM_MODULE)
+#if IS_ENABLED(CONFIG_USB_XHCI_PLATFORM)
 int xhci_register_plat(void);
 void xhci_unregister_plat(void);
 #else
@@ -1808,13 +1807,14 @@ struct xhci_segment *trb_in_td(struct xhci_segment *start_seg,
                 dma_addr_t suspect_dma);
 int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code);
 void xhci_ring_cmd_db(struct xhci_hcd *xhci);
-int xhci_queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id);
-int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
-                u32 slot_id, enum xhci_setup_dev);
-int xhci_queue_vendor_command(struct xhci_hcd *xhci,
+int xhci_queue_slot_control(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                u32 trb_type, u32 slot_id);
+int xhci_queue_address_device(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                dma_addr_t in_ctx_ptr, u32 slot_id, enum xhci_setup_dev);
+int xhci_queue_vendor_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
                 u32 field1, u32 field2, u32 field3, u32 field4);
-int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, int slot_id,
-                unsigned int ep_index, int suspend);
+int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                int slot_id, unsigned int ep_index, int suspend);
 int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb,
                 int slot_id, unsigned int ep_index);
 int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb,
@@ -1823,18 +1823,21 @@ int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb,
                 int slot_id, unsigned int ep_index);
 int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
                 struct urb *urb, int slot_id, unsigned int ep_index);
-int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
-                u32 slot_id, bool command_must_succeed);
-int xhci_queue_evaluate_context(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
-                u32 slot_id, bool command_must_succeed);
-int xhci_queue_reset_ep(struct xhci_hcd *xhci, int slot_id,
-                unsigned int ep_index);
-int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id);
+int xhci_queue_configure_endpoint(struct xhci_hcd *xhci,
+                struct xhci_command *cmd, dma_addr_t in_ctx_ptr, u32 slot_id,
+                bool command_must_succeed);
+int xhci_queue_evaluate_context(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                dma_addr_t in_ctx_ptr, u32 slot_id, bool command_must_succeed);
+int xhci_queue_reset_ep(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                int slot_id, unsigned int ep_index);
+int xhci_queue_reset_device(struct xhci_hcd *xhci, struct xhci_command *cmd,
+                u32 slot_id);
 void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
                 unsigned int slot_id, unsigned int ep_index,
                 unsigned int stream_id, struct xhci_td *cur_td,
                 struct xhci_dequeue_state *state);
 void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
+                struct xhci_command *cmd,
                 unsigned int slot_id, unsigned int ep_index,
                 unsigned int stream_id,
                 struct xhci_dequeue_state *deq_state);
@@ -1844,11 +1847,11 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci,
                 unsigned int slot_id, unsigned int ep_index,
                 struct xhci_dequeue_state *deq_state);
 void xhci_stop_endpoint_command_watchdog(unsigned long arg);
-int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
-                union xhci_trb *cmd_trb);
+void xhci_handle_command_timeout(unsigned long data);
+
 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
                 unsigned int ep_index, unsigned int stream_id);
-union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring);
+void xhci_cleanup_command_queue(struct xhci_hcd *xhci);
 
 /* xHCI roothub code */
 void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array,