linux-kernel - [PATCH] nozomi DTR/RTS

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Date:	Fri, 24 Aug 2007 12:02:40 +0200
From:	Eric Lammerts <eric@...merts.org>
To:	linux-kernel@...r.kernel.org
CC:	p.hardwick@...ion.com, greg@...ah.com, akpm@...ux-foundation.org
Subject: [PATCH] nozomi DTR/RTS

Hi,
I noticed that DTR toggling doesn't work with the nozomi driver 
(TIOCMBIS/TIOCMBIC ioctls have no effect). This is a nuisance because 
that makes it hard to get the modem back in command mode.

Attached patch adds a tty_ops->tiocmset function that makes it work.

Should we also rip out the TIOCMBIS/TIOCMBIC handling in ntty_ioctl()? 
It doesn't seem to be used anyway.

Patch is against 2.6.23-rc3-mm1, but not tested with that. I tested it 
with 2.6.18.4 and the pharscape.org driver.

Eric

View attachment "nozomi-dtr-patch-2.6.23-rc3-mm1" of type "text/plain" (1289 bytes)