Fix a few missed things in 16454efc (and hopefully clear the red).

Change-Id: I2ce88e4c41e6e08efbfbdf261122318dfb0f8b0f

firmware/export/storage.h

@@ -188,7 +188,7 @@ static inline void storage_sleep(void) {}
         #define storage_spin sd_spin
 
         #define storage_enable(on) sd_enable(on)
-        #define storage_sleepnow() sd_sleepnow()
+        #define storage_sleepnow() do {} while (0)
         #define storage_disk_is_active() 0
         #define storage_soft_reset() (void)0
         #ifdef HAVE_STORAGE_FLUSH

firmware/target/arm/rk27xx/ata-nand-rk27xx.c

@@ -116,3 +116,30 @@ int nand_num_drives(int first_drive)
     return 1;
 }
 #endif
+
+int nand_event(long id, intptr_t data)
+{
+    int rc = 0;
+
+#if 0 /* The NAND functions do nothing right now; just provide template */
+    if (LIKELY(id == Q_STORAGE_TICK))
+    {
+        if (!nand_powered ||
+            TIME_BEFORE(current_tick, nand_last_activity() + HZ / 5))
+        {
+            STG_EVENT_ASSERT_ACTIVE(STORAGE_NAND);
+        }
+    }
+    else if (id == Q_STORAGE_SLEEPNOW)
+    {
+        nand_power_down();
+    }
+    else
+    {
+        rc = storage_event_default_handler(id, data, nand_last_activity(),
+                                           STORAGE_NAND);
+    }
+#endif
+    return rc;
+    (void)id; (void)data;
+}

firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c

@@ -1375,10 +1375,6 @@ void sd_enable(bool on)
     (void)on;
 }
 
-void sd_sleepnow(void)
-{
-}
-
 bool sd_disk_is_active(void)
 {
     return false;

firmware/usb.c

@@ -45,10 +45,13 @@
 /* Conditions under which we want the entire driver */
 #if !defined(BOOTLOADER) || (CONFIG_CPU == SH7034) || \
      (defined(HAVE_USBSTACK) && defined(HAVE_BOOTLOADER_USB_MODE)) || \
+     (defined(HAVE_USBSTACK) && defined(IPOD_NANO2G)) || \
      (defined(HAVE_USBSTACK) && (defined(CREATIVE_ZVx))) || \
      (defined(HAVE_USBSTACK) && (defined(OLYMPUS_MROBE_500))) || \
      defined(CPU_TCC77X) || defined(CPU_TCC780X) || \
      (CONFIG_USBOTG == USBOTG_JZ4740)
+/* TODO: condition should be reset to be only the original
+   (defined(HAVE_USBSTACK) && defined(HAVE_BOOTLOADER_USB_MODE)) */
 #define USB_FULL_INIT
 #endif