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8250_pci: add IBM Saturn serial card

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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>
This commit is contained in:
Benjamin Herrenschmidt 2009-10-26 16:50:05 -07:00 committed by Linus Torvalds
parent 1b62cbf214
commit c68d2b1594
2 changed files with 14 additions and 0 deletions
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11
drivers/serial/8250_pci.c
View file

@ -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,

3
include/linux/pci_ids.h
View file

@ -482,6 +482,9 @@
#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