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SubjectRe: dumb muliport serial cards not supported in 2.6.13.4 ???
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
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