From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Jarek <jarek@macro-system.com.pl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: dumb muliport serial cards not supported in 2.6.13.4 ???
Date: Thu, 27 Oct 2005 09:08:39 +0100 [thread overview]
Message-ID: <20051027080839.GA3235@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1130397258.13942.14.camel@jarek.macro>
On Thu, Oct 27, 2005 at 09:14:18AM +0200, Jarek wrote:
> Hi all!
>
> I've PCM 3643, 8 port dumb multiport serial card from Advantech.
> This card works nice with 2.6.12 but with 2.6.13.4 I can see only two
> ports!
> This is dumb 8250 (exactly: 16550A) multiport board. In 2.6.12 I've the
> following settings:
>
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_SERIAL_8250_NR_UARTS=4
> CONFIG_SERIAL_8250_EXTENDED=y
> CONFIG_SERIAL_8250_MANY_PORTS=y
> CONFIG_SERIAL_8250_SHARE_IRQ=y
> CONFIG_SERIAL_8250_MULTIPORT=y
> CONFIG_SERIAL_8250_RSA=y
> CONFIG_SERIAL_CORE=y
> CONFIG_SERIAL_CORE_CONSOLE=y
>
> I've tried to setup same in 2.6.13.4, but it claims:
> .config:761: trying to assign nonexistent symbol SERIAL_8250_MULTIPORT
>
> I suspect that this is the problematic setting but there is nothing
> about this in any Changelog.
>
> What should I do ?
Please send the kernel messages from this kernel so we can see what's
going on. (this would be useful whatever.)
At a guess you need to increase CONFIG_SERIAL_8250_NR_UARTS. It now
represents the _total_ number of ports.
--
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:[~2005-10-27 8:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 7:14 Jarek
2005-10-27 8:08 ` Russell King [this message]
2005-10-27 9:46 ` Jarek
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