From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 29 Jul 2002 21:18:29 +0100 From: Russell King To: Remco Treffkorn Cc: Dan Malek , Benjamin Herrenschmidt , Tom Rini , 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) Message-ID: <20020729211829.F25451@flint.arm.linux.org.uk> References: <20020729174341.GA12964@opus.bloom.county> <20020729181352.27999@192.168.4.1> <3D4592D3.50505@embeddededge.com> <200207291246.43134.remco@rvt.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200207291246.43134.remco@rvt.com>; from remco@rvt.com on Mon, Jul 29, 2002 at 12:46:42PM -0700 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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/