8250_pci: add IBM Saturn serial card

The IBM Saturn serial card has only one port. Without that fixup,
the kernel thinks it has two, which confuses userland setup and
admin tools as well.

[akpm@linux-foundation.org: fix pci-ids.h layout]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: Michael Reed <mreed10@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 329469369908..42e8550cd2b6 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1561,6 +1561,7 @@ enum pci_board_num_t {
         pbn_exar_XR17C152,
         pbn_exar_XR17C154,
         pbn_exar_XR17C158,
+        pbn_exar_ibm_saturn,
         pbn_pasemi_1682M,
         pbn_ni8430_2,
         pbn_ni8430_4,
@@ -2150,6 +2151,13 @@ static struct pciserial_board pci_boards[] __devinitdata = {
                 .base_baud      = 921600,
                 .uart_offset    = 0x200,
         },
+        [pbn_exar_ibm_saturn] = {
+                .flags          = FL_BASE0,
+                .num_ports      = 1,
+                .base_baud      = 921600,
+                .uart_offset    = 0x200,
+        },
+
         /*
          * PA Semi PWRficient PA6T-1682M on-chip UART
          */
@@ -2684,6 +2692,9 @@ static struct pci_device_id serial_pci_tbl[] = {
                 PCI_SUBVENDOR_ID_CONNECT_TECH,
                 PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_485, 0, 0,
                 pbn_b0_8_1843200_200 },
+        {       PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+                PCI_VENDOR_ID_IBM, PCI_SUBDEVICE_ID_IBM_SATURN_SERIAL_ONE_PORT,
+                0, 0, pbn_exar_ibm_saturn },
 
         {       PCI_VENDOR_ID_SEALEVEL, PCI_DEVICE_ID_SEALEVEL_U530,
                 PCI_ANY_ID, PCI_ANY_ID, 0, 0,