Re: Support for Perle Systems Speed/LE-8

Greg KH
2012-01-24T17:19:19Z

On Mon, Jan 23, 2012 at 11:19:21PM -0700, Philip Prindeville wrote:
> Hi.
>
> I have a Perle Speed/LE-8 card that's poorly supported (cough) by the vendor.
>
> The design seems to be plain-vanilla enough: it uses Oxford 9501 and 9511 chips.
>
> $ lspci -v -n -s 04:07
> 04:07.0 0700: 155f:b008 (prog-if 06 [16950])
> Subsystem: 1415:9501
> Flags: medium devsel, IRQ 21
> I/O ports at ec00 [size=32]
> Memory at fbfff000 (32-bit, non-prefetchable) [size=4K]
> I/O ports at e880 [size=32]
> Memory at fbffe000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [40] Power Management version 1
> Kernel driver in use: perle-serial
> Kernel modules: perle-serial
>
> 04:07.1 0680: 155f:b008
> Subsystem: 1415:9511
> Flags: medium devsel, IRQ 21
> I/O ports at e800 [size=32]
> Memory at fbffd000 (32-bit, non-prefetchable) [size=4K]
> I/O ports at e480 [size=32]
> Memory at fbffc000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [40] Power Management version 1
> Kernel driver in use: perle-serial
> Kernel modules: perle-serial
>
>
> $
>
> There's nothing funky about this card except that one of the lines is
> either DTR or RTS if I've understood the scarce documentation.
>
> Anyway, I was wondering what's involved in getting the
> drivers/tty/serial/8250_pci.c to support this?

Have you tried adding the pci device ids to the driver and see how well
it works, or not?

greg k-h