[U-Boot] Fastboot is not detected

[Marek Vasut <marex@denx.de>]

On Wednesday, September 09, 2015 at 11:02:45 PM, Fabio Estevam wrote:
> Hi,
> 
> I am trying to add fastboot support for mx6qsabresd and I did the
> following changes on against top of head U-boot:
> 
> --- a/include/configs/mx6sabre_common.h
> +++ b/include/configs/mx6sabre_common.h
> @@ -238,6 +238,12 @@
>  #define CONFIG_G_DNL_VENDOR_NUM        0x0525
>  #define CONFIG_G_DNL_PRODUCT_NUM    0xa4a5
>  #define CONFIG_G_DNL_MANUFACTURER    "FSL"
> +
> +#define CONFIG_USB_FUNCTION_FASTBOOT
> +#define CONFIG_CMD_FASTBOOT
> +#define CONFIG_ANDROID_BOOT_IMAGE
> +#define CONFIG_FASTBOOT_BUF_ADDR   CONFIG_SYS_LOAD_ADDR
> +#define CONFIG_FASTBOOT_BUF_SIZE   0x07000000
>  #endif
> 
>  #endif                         /* __MX6QSABRE_COMMON_CONFIG_H */
> 
> On the U-boot prompt I run:
> 
> => fastboot 0
> 
> and then in the host PC I try to read the bootloader version:
> 
> $ fastboot getvar bootloader-version
> < waiting for device >
> 
> (and it gets stuck here)
> 
> After a CTRL+C I have also tried:
> 
> $ sudo fastboot devices
> $
> 
> ,but nothing is reported.
> 
> I am able to mount the SD card via 'ums 0 mmc 1' command, so the USB
> OTG connection is fine.
> 
> Does anyone have any suggestions?

Don't you need this patch from Peng?
[PATCH] usb: gadget: ci_udc: implement usb_ep_ops dequeue callback
https://patchwork.ozlabs.org/patch/511739/

Best regards,
Marek Vasut