From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bo Shen <voice.shen@atmel.com>
Date: Tue, 10 Dec 2013 14:34:00 +0800
Subject: [U-Boot] [PATCH 2/4] usb: dfu: f_dfu: Provide infrastructure to
 adjust DFU's Poll Timeout value
In-Reply-To: <1386602416-12863-3-git-send-email-l.majewski@samsung.com>
References: <1386602416-12863-1-git-send-email-l.majewski@samsung.com>
	<1386602416-12863-3-git-send-email-l.majewski@samsung.com>
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To: u-boot@lists.denx.de

Hi Lukasz,

On 12/09/2013 11:20 PM, Lukasz Majewski wrote:
> diff --git a/drivers/usb/gadget/f_dfu.h b/drivers/usb/gadget/f_dfu.h
> index cc2c455..0c29954 100644
> --- a/drivers/usb/gadget/f_dfu.h
> +++ b/drivers/usb/gadget/f_dfu.h
> @@ -82,4 +82,6 @@ struct dfu_function_descriptor {
>   	__le16				wTransferSize;
>   	__le16				bcdDFUVersion;
>   } __packed;
> +
> +#define DFU_POLL_TIMEOUT_MASK           (0xFFFFFFUL)

Why this value? How about (~0UL)?

>   #endif /* __F_DFU_H_ */

Best Regards,
Bo Shen