slightly change the signature of tuh_control_xfer

src/class/cdc/cdc_host.c

@@ -138,7 +138,7 @@ bool tuh_cdc_set_control_line_state(uint8_t dev_addr, bool dtr, bool rts, tuh_co
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,

src/class/hid/hid_host.c

@@ -139,7 +139,7 @@ static bool _hidh_set_protocol(uint8_t dev_addr, uint8_t itf_num, uint8_t protoc
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -196,7 +196,7 @@ bool tuh_hid_set_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, u
     .wLength  = len
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -227,7 +227,7 @@ static bool _hidh_set_idle(uint8_t dev_addr, uint8_t itf_num, uint16_t idle_rate
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,

src/class/msc/msc_host.c

@@ -419,7 +419,7 @@ bool msch_set_config(uint8_t dev_addr, uint8_t itf_num)
     .wLength  = 1
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,

src/host/hub.c

@@ -94,7 +94,7 @@ bool hub_port_clear_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature,
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -125,7 +125,7 @@ bool hub_port_set_feature(uint8_t hub_addr, uint8_t hub_port, uint8_t feature,
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -156,7 +156,7 @@ bool hub_port_get_status(uint8_t hub_addr, uint8_t hub_port, void* resp,
     .wLength  = 4
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -248,7 +248,7 @@ bool hub_set_config(uint8_t dev_addr, uint8_t itf_num)
     .wLength  = sizeof(descriptor_hub_desc_t)
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,

src/host/usbh.c

@@ -326,7 +326,7 @@ static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t
     .wLength  = tu_htole16(len)
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -411,7 +411,7 @@ bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_
     .wLength  = len
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -442,7 +442,7 @@ bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,
@@ -889,7 +889,7 @@ static void _control_blocking_complete_cb(uint8_t daddr, tuh_control_xfer_t* xfe
   *((xfer_result_t*) xfer->user_arg) = xfer->result;
 }
 
-bool tuh_control_xfer (uint8_t daddr, tuh_control_xfer_t const* xfer)
+bool tuh_control_xfer (uint8_t daddr, tuh_control_xfer_t* xfer)
 {
   // pre-check to help reducing mutex lock
   TU_VERIFY(_ctrl_xfer.stage == CONTROL_STAGE_IDLE);
@@ -1404,7 +1404,7 @@ static bool enum_request_set_addr(void)
     .wLength  = 0
   };
 
-  tuh_control_xfer_t const xfer =
+  tuh_control_xfer_t xfer =
   {
     .ep_addr     = 0,
     .setup       = &request,

src/host/usbh.h

@@ -53,8 +53,6 @@ struct tuh_control_xfer_s
   uint32_t actual_len;
 
   uint8_t* buffer;
-
-
   tuh_control_xfer_cb_t complete_cb;
   uintptr_t user_arg;
 };
@@ -118,7 +116,7 @@ static inline bool tuh_ready(uint8_t daddr)
 // Carry out a control transfer
 // true on success, false if there is on-going control transfer or incorrect parameters
 // Blocking if complete callback is NULL, in this case 'user_arg' must contain xfer_result_t variable
-bool tuh_control_xfer(uint8_t daddr, tuh_control_xfer_t const* xfer);
+bool tuh_control_xfer(uint8_t daddr, tuh_control_xfer_t* xfer);
 
 //bool tuh_edpt_xfer(uint8_t daddr, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);