Re: Adding driver for MCS9865 to the kernel sources

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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.

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