- update static function
- additional debugging statements
- update "fastboot command" information
- add missing include file
- update spelling

Signed-off-by: Steve Rae <s...@broadcom.com>
---

Changes in v4:
- update debug string as per feedback

Changes in v3: None
Changes in v2:
- new in v2

 common/cmd_fastboot.c           |  7 ++++---
 drivers/usb/gadget/f_fastboot.c | 13 +++++++++----
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/common/cmd_fastboot.c b/common/cmd_fastboot.c
index 83fa7bd..909616d 100644
--- a/common/cmd_fastboot.c
+++ b/common/cmd_fastboot.c
@@ -30,7 +30,8 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, 
char *const argv[])
 }
 
 U_BOOT_CMD(
-       fastboot,       1,      1,      do_fastboot,
-       "fastboot - enter USB Fastboot protocol",
-       ""
+       fastboot,       1,      0,      do_fastboot,
+       "use USB Fastboot protocol",
+       "\n"
+       "    - run as a fastboot usb device"
 );
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index e2659fa..3b588a9 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -10,6 +10,7 @@
  *
  * SPDX-License-Identifier:    GPL-2.0+
  */
+#include <config.h>
 #include <common.h>
 #include <errno.h>
 #include <malloc.h>
@@ -41,7 +42,7 @@
 struct f_fastboot {
        struct usb_function usb_function;
 
-       /* IN/OUT EP's and correspoinding requests */
+       /* IN/OUT EP's and corresponding requests */
        struct usb_ep *in_ep, *out_ep;
        struct usb_request *in_req, *out_req;
 };
@@ -293,7 +294,7 @@ static int fastboot_add(struct usb_configuration *c)
 }
 DECLARE_GADGET_BIND_CALLBACK(usb_dnl_fastboot, fastboot_add);
 
-int fastboot_tx_write(const char *buffer, unsigned int buffer_size)
+static int fastboot_tx_write(const char *buffer, unsigned int buffer_size)
 {
        struct usb_request *in_req = fastboot_func->in_req;
        int ret;
@@ -341,6 +342,7 @@ static void cb_getvar(struct usb_ep *ep, struct usb_request 
*req)
 
        strsep(&cmd, ":");
        if (!cmd) {
+               printf("%s: missing variable\n", __func__);
                fastboot_tx_write_str("FAILmissing var");
                return;
        }
@@ -361,6 +363,7 @@ static void cb_getvar(struct usb_ep *ep, struct usb_request 
*req)
                else
                        strcpy(response, "FAILValue not set");
        } else {
+               printf("%s: unknown variable: %s\n", __func__, cmd);
                strcpy(response, "FAILVariable not implemented");
        }
        fastboot_tx_write_str(response);
@@ -534,10 +537,12 @@ static void rx_handler_command(struct usb_ep *ep, struct 
usb_request *req)
                }
        }
 
-       if (!func_cb)
+       if (!func_cb) {
+               printf("%s: unknown command: %s\n", __func__, cmdbuf);
                fastboot_tx_write_str("FAILunknown command");
-       else
+       } else {
                func_cb(ep, req);
+       }
 
        if (req->status == 0) {
                *cmdbuf = '\0';
-- 
1.8.5

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