From mboxrd@z Thu Jan  1 00:00:00 1970
From: Karsten Malcher <debian@dct.mine.nu>
Subject: Re: Adding driver for MCS9865 to the kernel sources
Date: Tue, 18 Feb 2014 11:57:22 +0100
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To: Alexander Shiyan <shc_work@mail.ru>
Cc: linux-serial@vger.kernel.org

Am 18.02.2014 11:43, schrieb Alexander Shiyan:
> At least for my 9835, its works without any 3rd-party drivers.
>
>

In the history it was working with older kernels previous version 3.0.

When you open the README you find this description:


To build driver on kernels from v2.6.34 till latest:
----------------------------------------------------
   Since the device ID 9865 is included (as built-in) with kernel versions
     starts from v2.6.34 and above, the following procedure is required to
     follow to detect MCS9865 devices.

   b) Open file "8250_pci.c".
     - find for the macro PCI_DEVICE_ID_NETMOS_9865.  It will be found in two places,
         1) In the struct definition "serial_pci_tbl[]"
           - Comment the below lines,

         "
                 {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
                         0xA000, 0x1000,
                         0, 0, pbn_b0_1_115200 },

                 {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
                         0xA000, 0x3004,
                         0, 0, pbn_b0_bt_4_115200 },
         "
---------------------------------------------------------------------------------------------------


This seems to be the problem.
At least you must recompile parts of the kernel to get it running.
So you can't work with the standard kernel of a distribution!

It would be very helpful if this driver would be part of the standard kernel sources.