From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] Way for platforms to alter built-in serial ports
Date: Wed, 3 Nov 2004 07:43:59 +0000 [thread overview]
Message-ID: <20041103074359.A1542@flint.arm.linux.org.uk> (raw)
In-Reply-To: <200411020939.25851.bjorn.helgaas@hp.com>; from bjorn.helgaas@hp.com on Tue, Nov 02, 2004 at 09:39:25AM -0700
On Tue, Nov 02, 2004 at 09:39:25AM -0700, Bjorn Helgaas wrote:
> On Monday 01 November 2004 10:15 am, David Woodhouse wrote:
> > The problem is that 'console=ttySx' doesn't actually do anything unless
> > port numer 'x' is already registered and working. We should fix that --
> > we ought to be able to use 'console=ttySx' on the command line and have
> > the console get registered with the core printk code later, when some
> > 8250 sub-driver (8250_platform, 8250_pci, etc.) actually registers the
> > port which becomes number 'x'.
>
> See serial8250_late_console_init(); does this do what you want?
This call can now be removed - for any serial device, we keep registering
the console each time a new port is added until it successfully registers.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
next prev parent reply other threads:[~2004-11-03 7:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-30 16:14 [RFC][PATCH] Way for platforms to alter built-in serial ports Bjorn Helgaas
2004-09-30 23:53 ` Benjamin Herrenschmidt
2004-10-01 14:58 ` Bjorn Helgaas
2004-10-02 6:45 ` Benjamin Herrenschmidt
2004-10-06 7:32 ` Russell King
2004-10-06 19:54 ` Bjorn Helgaas
2004-10-08 19:49 ` Bjorn Helgaas
2004-10-06 7:29 ` Russell King
2004-10-06 19:47 ` Bjorn Helgaas
2004-11-01 17:15 ` David Woodhouse
2004-11-02 16:39 ` Bjorn Helgaas
2004-11-03 7:43 ` Russell King [this message]
2004-11-03 12:07 ` David Woodhouse
-- strict thread matches above, loose matches on Subject: below --
2004-09-30 8:50 Benjamin Herrenschmidt
2004-10-06 7:26 ` Russell King
2004-10-06 8:15 ` Benjamin Herrenschmidt
2004-10-06 9:07 ` Benjamin Herrenschmidt
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