Add USB hub initialization logic to a couple of board configurations

configs/olimex-lpc1766stk/src/lpc17_hidkbd.c

@@ -39,6 +39,9 @@
 
 #include <nuttx/config.h>
 
+#include <errno.h>
+#include <debug.h>
+
 #include <nuttx/usb/usbhost.h>
 
 #include "lpc17_usbhost.h"
@@ -66,6 +69,18 @@
 
 struct usbhost_connection_s *arch_usbhost_initialize(void)
 {
+#ifdef CONFIG_USBHOST_HUB
+  int ret;
+
+  /* Initialize USB hub support */
+
+  ret = usbhost_hub_initialize();
+  if (ret < 0)
+    {
+      udbg("ERROR: usbhost_hub_initialize failed: %d\n", ret);
+    }
+#endif
+
   return lpc17_usbhost_initialize(0);
 }
 #endif /* CONFIG_LPC17_USBHOST && CONFIG_USBHOST && CONFIG_EXAMPLES_HIDKBD */

configs/olimex-lpc1766stk/src/lpc17_hidmouse.c

@@ -41,9 +41,9 @@
 
 #include <stdbool.h>
 #include <stdio.h>
-#include <debug.h>
 #include <assert.h>
 #include <errno.h>
+#include <debug.h>
 
 #include <nuttx/board.h>
 #include <nuttx/usb/usbhost.h>
@@ -125,6 +125,16 @@ int board_tsc_setup(int minor)
 
   if (!initialized)
     {
+#ifdef CONFIG_USBHOST_HUB
+      /* Initialize USB hub support */
+
+      ret = usbhost_hub_initialize();
+      if (ret < 0)
+        {
+          idbg("ERROR: usbhost_hub_initialize failed: %d\n", ret);
+        }
+#endif
+
       /* Initialize and register the USB HID mouse device class */
 
       ret = usbhost_mouse_init();

configs/olimex-lpc1766stk/src/lpc17_nsh.c

@@ -248,6 +248,19 @@ static int nsh_usbhostinitialize(void)
    */
 
   syslog(LOG_INFO, "Register class drivers\n");
+
+#ifdef CONFIG_USBHOST_HUB
+  /* Initialize USB hub support */
+
+  ret = usbhost_hub_initialize();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: usbhost_hub_initialize failed: %d\n", ret);
+    }
+#endif
+
+  /* Initialize mass storage support */
+
   ret = usbhost_storageinit();
   if (ret != OK)
     {

configs/olimex-lpc1766stk/src/lpc17_usbmsc.c

@@ -135,4 +135,5 @@ int usbmsc_archinitialize(void)
 
 errout:
   lpc17_gpiowrite(LPC1766STK_MMC_PWR, true);
-  return ret;}
+  return ret;
+}

configs/sama5d4-ek/src/sam_usb.c

@@ -311,10 +311,20 @@ int sam_usbhost_initialize(void)
 
   /* First, register all of the class drivers needed to support the drivers
    * that we care about
-   *
-   * Register theUSB host Mass Storage Class:
    */
 
+#ifdef CONFIG_USBHOST_HUB
+  /* Initialize USB hub support */
+
+  ret = usbhost_hub_initialize();
+  if (ret < 0)
+    {
+      udbg("ERROR: usbhost_hub_initialize failed: %d\n", ret);
+    }
+#endif
+
+  /* Register the USB host Mass Storage Class */
+
   ret = usbhost_storageinit();
   if (ret != OK)
     {

drivers/usbhost/usbhost_hub.c

@@ -1341,7 +1341,7 @@ static int usbhost_disconnected(struct usbhost_class_s *hubclass)
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbhost_hubinit
+ * Name: usbhost_hub_initialize
  *
  * Description:
  *   Initialize the USB hub class.  This function should be called
@@ -1357,7 +1357,7 @@ static int usbhost_disconnected(struct usbhost_class_s *hubclass)
  *
  ****************************************************************************/
 
-int usbhost_hubinit(void)
+int usbhost_hub_initialize(void)
 {
   /* Advertise our availability to support (certain) mass storage devices */
 

include/nuttx/usb/usbhost.h

@@ -865,8 +865,8 @@ int usbhost_registerclass(struct usbhost_registry_s *devclass);
 const struct usbhost_registry_s *usbhost_findclass(const struct usbhost_id_s *id);
 
 #ifdef CONFIG_USBHOST_HUB
-/****************************************************************************
+ /****************************************************************************
- * Name: usbhost_hubinit
+ * Name: usbhost_hub_initialize
  *
  * Description:
  *   Initialize the USB hub class.  This function should be called
@@ -882,7 +882,7 @@ const struct usbhost_registry_s *usbhost_findclass(const struct usbhost_id_s *id
  *
  ****************************************************************************/
 
-int usbhost_hubinit(void);
+int usbhost_hub_initialize(void);
 #endif
 
 #ifdef CONFIG_USBHOST_MSC