Re: How to use unrecognized COM port card?

On 17/08/2011, at 6:57 AM, Yuri wrote:
> On 08/16/2011 13:37, Xin LI wrote:
>> And I think John's patch is right, I've added a new PCI ID for it
>> though, found from the datasheet.  Did you have uart(4) in your =
kernel
>> (remove my old patch)?
>=20
> Yes, uart(4) is in kernel and puc(4) is the loaded module. I think =
this might be a problem that puc(4) is a module loaded later and that's =
why serial device isn't registered. I found the reference to the similar =
situation with some other card that got cured when puc(4) was compiled =
into kernel. =
(http://www.adras.com/Quadtech-DSC-100-PCI-dual-serial-port-on-8-0R-i386.t=
6999-79.html)
>=20
> I have yet to try building puc(4) into kernel, but the way how I have =
it now is the default in GENERIC. Should uart(4) instead be removed from =
kernel and made loadable too to prevent such initialization order issue? =
Or what would be the right fix? Have too much stuff in kernel isn't =
right too. uart probably isn't used by 99% of users.

For my recent Moxa 2 port serial card addition, I had to include puc in =
the kernel config; it didn't work as a module.

Jan.

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