linux-kernel - Re: [PATCH v2 1/2] USB: serial: ark3116: Remove unused TIOCSSERIAL ioctl case.

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Date:   Mon, 08 Jan 2018 11:33:32 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Mikhail Zaytsev <flashed@...l.ru>, Johan Hovold <johan@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 1/2] USB: serial: ark3116: Remove unused TIOCSSERIAL
 ioctl case.

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