From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: [v2,1/2] USB: serial: ark3116: Remove unused TIOCSSERIAL ioctl case.
From: Oliver Neukum <oneukum@suse.com>
Message-Id: <1515407612.29712.1.camel@suse.com>
Date: Mon, 08 Jan 2018 11:33:32 +0100
To: Mikhail Zaytsev <flashed@mail.ru>, Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
List-ID: <linux-usb.vger.kernel.org>

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Subject: Re: [PATCH v2 1/2] USB: serial: ark3116: Remove unused TIOCSSERIAL
 ioctl case.
From: Oliver Neukum <oneukum@suse.com>
To: Mikhail Zaytsev <flashed@mail.ru>, Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Date: Mon, 08 Jan 2018 11:33:32 +0100
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Am Samstag, den 06.01.2018, 20:14 +0300 schrieb Mikhail Zaytsev:
> The patch removes unused TIOCSSERIAL ioctl case and adds the default block
> to the switch. This will make the ioctl return -ENOTTY to user space (e.g.
> setserial), because TIOCSSERIAL really isn't supported for these devices
> currently.

Hi,

this will break software that is now running on these devices,
won't it? Do you know why those devices basically ignore the
ioctl?

	Regards
		Oliver