[30/99] 8250_pci: add IBM Saturn serial card

[Greg KH]

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

commit c68d2b1594548cda7f6dbac6a4d9d30a9b01558c upstream.

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@xxxxxxxxxxxxxxxxxxxx: fix pci-ids.h layout]
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Cc: Michael Reed <mreed10@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/serial/8250_pci.c |   11 +++++++++++
 include/linux/pci_ids.h   |    3 +++
 2 files changed, 14 insertions(+)

--- 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,
@@ -2146,6 +2147,13 @@ static struct pciserial_board pci_boards
 		.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
 	 */
@@ -2649,6 +2657,9 @@ static struct pci_device_id serial_pci_t
 		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,
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -479,6 +479,9 @@
 #define PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM_PCIE 0x0361
 #define PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL	0x252
 
+#define PCI_SUBVENDOR_ID_IBM		0x1014
+#define PCI_SUBDEVICE_ID_IBM_SATURN_SERIAL_ONE_PORT	0x03d4
+
 #define PCI_VENDOR_ID_UNISYS		0x1018
 #define PCI_DEVICE_ID_UNISYS_DMA_DIRECTOR 0x001C
 


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