From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Thu, 17 Oct 2013 19:43:18 +0200
Subject: [U-Boot] [PATCH 4/4] usb: ums: add ums exit feature by ctrl+c
	or by detach usb cable
In-Reply-To: <1381929675-26165-5-git-send-email-p.marczak@samsung.com>
References: <1381929675-26165-1-git-send-email-p.marczak@samsung.com>
	<1381929675-26165-5-git-send-email-p.marczak@samsung.com>
Message-ID: <201310171943.18666.marex@denx.de>
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To: u-boot@lists.denx.de

Dear Przemyslaw Marczak,

> This patch allows exiting from UMS mode to u-boot prompt
> by detaching usb cable or by pressing ctrl+c.
> 
> Add new config: CONFIG_USB_CABLE_CHECK. If defined then board
> file should provide function: usb_cable_connected() (include/usb.h)
> that return 1 if cable is connected and 0 otherwise.
> 
> Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
> Cc: Marek Vasut <marex@denx.de>
> ---

[...]

> @@ -678,6 +679,18 @@ static int sleep_thread(struct fsg_common *common)
>  			k++;
>  		}
> 
> +		if (k == 10) {
> +			/* Handle CTRL+C */
> +			if (ctrlc())
> +				return -EPIPE;
> +#ifdef CONFIG_USB_CABLE_CHECK

Please document this newly added option in README.

Best regards,
Marek Vasut