From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Jason Dravet <dravet@hotmail.com>
Cc: davej@redhat.com, linux-kernel@vger.kernel.org, xavier.bestel@free.fr
Subject: Re: wrong number of serial port detected
Date: Sun, 8 Jan 2006 09:08:00 +0000 [thread overview]
Message-ID: <20060108090759.GA31219@flint.arm.linux.org.uk> (raw)
In-Reply-To: <BAY103-F39233F9F5FF4FEFA175808DF230@phx.gbl>
On Sat, Jan 07, 2006 at 07:23:46PM -0600, Jason Dravet wrote:
> Not to keep complaining, but I now have the following issue. I running
> Fedora Cores 2.6.15-1.1826 kernel. When I run dmesg I now see this:
>
> Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing enabled
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:06: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>
> before 2.6.15 I saw
> Serial: 8250/16550 driver $Revision: 1.90 $ 32 ports, IRQ sharing enabled
>
> The serial driver now correctly reports that I have two serial ports
> instead of 32. So shouldn't the patch register the minimum of
> CONFIG_SERIAL_8250_NR_UARTS and the number of serial ports detected by the
> serial driver?
It's a classic chicken and egg problem. If you can solve such problems,
please feel free to send a patch.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-01-08 9:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-07 15:44 wrong number of serial port detected Jason Dravet
2005-12-07 15:50 ` Russell King
2005-12-07 19:59 ` Jason Dravet
2005-12-07 21:15 ` Russell King
2005-12-07 21:28 ` Xavier Bestel
2005-12-07 21:31 ` Russell King
2005-12-07 21:38 ` Russell King
2005-12-07 23:03 ` Dave Jones
2005-12-07 23:46 ` Russell King
2005-12-08 0:50 ` Dave Jones
2005-12-08 3:09 ` Dave Jones
2006-01-07 16:46 ` Russell King
2006-01-07 21:05 ` Dave Jones
2006-01-08 1:23 ` Jason Dravet
2006-01-08 9:08 ` Russell King [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-12-08 3:02 Jason Dravet
2005-12-08 10:54 ` Russell King
2005-12-09 14:37 ` Jason Dravet
2005-12-09 17:27 ` Russell King
2005-12-09 19:54 ` Bjorn Helgaas
2005-12-10 1:46 ` Jason Dravet
2005-12-10 10:35 ` Russell King
2005-12-10 14:24 ` Jason Dravet
2005-12-10 15:46 ` Russell King
2005-12-10 17:56 ` Jason Dravet
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