Revert "UPSTREAM: usb: dwc3: drop FIFO resizing logic"

[firefly-linux-kernel-4.4.55.git] / drivers / usb / dwc3 / core.h

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index c78b2bdb4f2c19db45e3647d069f562a5b0c865a..ed96f7d113f6f9d8529e6ea736408f4e3418ca3d 100644 (file)
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -721,8 +721,10 @@ struct dwc3_scratchpad_array {
  *     0       - utmi_sleep_n
  *     1       - utmi_l1_suspend_n
  * @is_fpga: true when we are using the FPGA board
+ * @needs_fifo_resize: not all users might want fifo resizing, flag it
  * @enabled: true when gadget driver is ready
  * @pullups_connected: true when Run/Stop bit is set
+ * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes.
  * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
  * @start_config_issued: true when StartConfig command has been issued
  * @three_stage_setup: set if we perform a three phase setup
@@ -873,8 +875,10 @@ struct dwc3 {
        unsigned                has_lpm_erratum:1;
        unsigned                is_utmi_l1_suspend:1;
        unsigned                is_fpga:1;
+       unsigned                needs_fifo_resize:1;
        unsigned                enabled:1;
        unsigned                pullups_connected:1;
+       unsigned                resize_fifos:1;
        unsigned                setup_packet_pending:1;
        unsigned                three_stage_setup:1;
        unsigned                usb3_lpm_capable:1;
@@ -1045,6 +1049,7 @@ struct dwc3_gadget_ep_cmd_params {
 
 /* prototypes */
 void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
+int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc);
 int dwc3_soft_reset(struct dwc3 *dwc);
 int dwc3_event_buffers_setup(struct dwc3 *dwc);
 void dwc3_event_buffers_cleanup(struct dwc3 *dwc);