From: Russell King <rmk@arm.linux.org.uk>
To: Remco Treffkorn <remco@rvt.com>
Cc: Dan Malek <dan@embeddededge.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Tom Rini <trini@kernel.crashing.org>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.linuxppc.org
Subject: Re: 3 Serial issues up for discussion (was: Re: Serial core problems on embedded PPC)
Date: Mon, 29 Jul 2002 21:18:29 +0100 [thread overview]
Message-ID: <20020729211829.F25451@flint.arm.linux.org.uk> (raw)
In-Reply-To: <200207291246.43134.remco@rvt.com>; from remco@rvt.com on Mon, Jul 29, 2002 at 12:46:42PM -0700
On Mon, Jul 29, 2002 at 12:46:42PM -0700, Remco Treffkorn wrote:
> On Monday 29 July 2002 12:09, Dan Malek wrote:
> > or a mix of both. The problems to solve are drivers fighting over minor
> > device numbers and assumptions about the system console.
> >
>
> Drivers need not fight about minor numbers. That can be simply handled:
>
> int get_new_serial_minor()
> {
> static int minor;
>
> return minor++;
> }
>
> Any serial driver can call this when it initializes a new uart.
> Hot pluggable drivers have to hang on to their minors, and
> re-use.
It's a possible solution, if we get the ability for drivers to hang
on to their minors. However, I get the feeling that this isn't going
to happen before 2.6.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-07-29 20:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-29 4:08 Serial core problems on embedded PPC David Gibson
2002-07-29 9:00 ` Russell King
2002-07-29 14:44 ` Tom Rini
2002-07-29 17:17 ` 3 Serial issues up for discussion (was: Re: Serial core problems on embedded PPC) Russell King
2002-07-29 17:43 ` Tom Rini
2002-07-29 18:13 ` Benjamin Herrenschmidt
2002-07-29 19:07 ` Tom Rini
2002-07-29 19:09 ` 3 Serial issues up for discussion (was: " Dan Malek
2002-07-29 19:46 ` Remco Treffkorn
2002-07-29 20:18 ` Russell King [this message]
2002-07-30 2:54 ` 3 Serial issues up for discussion David S. Miller
2002-07-29 18:15 ` 3 Serial issues up for discussion (was: Re: Serial core problems on embedded PPC) Matt Porter
2002-07-29 17:47 ` [parisc-linux] " Christoph Plattner
2002-07-29 22:19 ` Matthew Wilcox
2002-07-30 2:51 ` 3 Serial issues up for discussion David S. Miller
2002-08-02 6:01 ` symbol card with orinoco_cs on mpc823 shaowei dai
2002-08-02 6:23 ` David Gibson
2002-08-02 6:36 ` Matthew Locke
2002-08-02 7:01 ` shaowei dai
[not found] ` <3D4AC468.83BCD667@opensource.se>
2002-08-03 1:30 ` shaowei dai
2002-07-30 1:12 ` Serial core problems on embedded PPC David Gibson
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