From: "Stuart MacDonald" <stuartm@connecttech.com>
To: 'Alan Cox' <alan@lxorguk.ukuu.org.uk>,
'Krzysztof Halasa' <khc@pm.waw.pl>
Cc: 'David Woodhouse' <dwmw2@infradead.org>,
linux-serial@vger.kernel.org,
'LKML' <linux-kernel@vger.kernel.org>
Subject: RE: Serial custom speed deprecated?
Date: Fri, 25 Aug 2006 11:01:38 -0400 [thread overview]
Message-ID: <043201c6c857$5ddd6c20$294b82ce@stuartm> (raw)
In-Reply-To: <1156441293.3007.184.camel@localhost.localdomain>
From: On Behalf Of Alan Cox
> At this point I think we need
>
> - An ioctl to set/get the actual baud rate input/output
> - Some kind of termios flag to indicate they are being
> used (as we have
> CBAUDEX now). [We could "borrow" the 4Mbit one and dual use it IMHO]
>
> For drivers tty_get_baud_rate would return the actual speed as before.
>
> We would need a driver ->set_speed method for the cases where
> - ioctl is called to set specific board rate
> - OR termios values for tty speed change
> - While we are at it we might want to make ->set_termios also
> allowed to fail
>
> [and if you had no ->set_speed method non standard speeds would be
> refused by the tty layer for back compat]
>
> Anyone got any problems with this before I go and implement it ?
Sounds good.
..Stu
next prev parent reply other threads:[~2006-08-25 15:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <028a01c6c6fc$e792be90$294b82ce@stuartm>
[not found] ` <1156411101.3012.15.camel@pmac.infradead.org>
[not found] ` <m3bqqap09a.fsf@defiant.localdomain>
2006-08-24 17:41 ` Serial custom speed deprecated? Alan Cox
2006-08-24 18:51 ` Krzysztof Halasa
2006-08-24 20:43 ` linux-os (Dick Johnson)
2006-08-24 22:11 ` Alan Cox
2006-08-27 6:52 ` Rogier Wolff
2006-08-27 10:00 ` Russell King
2006-08-28 14:14 ` Stuart MacDonald
2006-08-28 20:09 ` Russell King
2006-08-29 6:20 ` Rogier Wolff
2006-08-29 7:46 ` Russell King
2006-08-25 15:17 ` Stuart MacDonald
2006-08-25 15:52 ` linux-os (Dick Johnson)
2006-08-24 22:43 ` Alan Cox
2006-08-25 10:58 ` Krzysztof Halasa
2006-08-25 15:21 ` Stuart MacDonald
2006-08-25 19:32 ` Russell King
2006-08-25 20:21 ` Stuart MacDonald
2006-08-25 20:54 ` linux-os (Dick Johnson)
2006-08-25 20:39 ` Theodore Tso
2006-08-26 12:16 ` Krzysztof Halasa
2006-08-25 15:10 ` Stuart MacDonald
2006-08-24 22:05 ` Russell King
2006-08-25 15:01 ` Stuart MacDonald [this message]
[not found] <033001c6c77a$a7d8ab10$294b82ce@stuartm>
2006-08-24 13:19 ` Alan Cox
2006-08-24 13:03 ` David Woodhouse
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