[patch 1/1] 8250_pci: add support for Rosewill RC-305 4x serial portcard

[Eric Smith]

From: Eric Smith <eric@xxxxxxxxxxxx>

This patch adds support for the Rosewill RC-305 four-port PCI serial
card, and probably any other four-port serial cards based on the
Moschip MCS9865 chip, assuming that the EEPROM on the card was
programmed in accordance with Table 6 of the MCS9865 EEPROM
Application Note version 0.3 dated 16-May-2008, available from the
Moschip web site (registration required).

This patch is based on an earlier patch [1] for the SYBA 6x serial
port card by Ira W. Snyder.

[1]: http://www.gossamer-threads.com/lists/linux/kernel/1162435

Signed-off-by: Eric Smith <eric@xxxxxxxxxxxx>
---
This patch has been tested with the 3.0-rc7 and 2.6.35 kernels, though for
the 2.6.35 kernel the location of the driver source file is in 
drivers/serial
rather than drivers/tty/serial.

diff -uprN -X linux-3.0-rc7/Documentation/dontdiff 
linux-3.0-rc7/drivers/tty/serial/8250_pci.c 
linux-3.0-rc7-rosewill/drivers/tty/serial/8250_pci.c
--- linux-3.0-rc7/drivers/tty/serial/8250_pci.c 2011-07-11 
17:51:52.000000000 -0600
+++ linux-3.0-rc7-rosewill/drivers/tty/serial/8250_pci.c        
2011-07-11 22:24:59.000000000 -0600
@@ -3886,7 +3886,7 @@ static struct pci_device_id serial_pci_t
                0, 0, pbn_b0_1_115200 },

        /*
-        * Best Connectivity PCI Multi I/O cards
+        * Best Connectivity and Rosewill PCI Multi I/O cards
         */

        {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
@@ -3894,6 +3894,10 @@ static struct pci_device_id serial_pci_t
                0, 0, pbn_b0_1_115200 },

        {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+               0xA000, 0x3002,
+               0, 0, pbn_b0_bt_2_115200 },
+
+       {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
                0xA000, 0x3004,
                0, 0, pbn_b0_bt_4_115200 },
        /* Intel CE4100 */

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