8250_pci: add support for netmos 9835 IBM devices
Most of netmos 9835 hardware is handled by parport-serial. IBM introduces
a device which doesn't have any parallel ports and have screwed subdevice
PCI id (not corresponding to port numbers).
Handle this device (9710:9835 1014:0299) properly.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index c088146..2a36712 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -602,6 +602,10 @@
/* subdevice 0x00PS means <P> parallel, <S> serial */
unsigned int num_serial = dev->subsystem_device & 0xf;
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
+ dev->subsystem_device == 0x0299)
+ return 0;
+
if (num_serial == 0)
return -ENODEV;
return num_serial;
@@ -3096,6 +3100,10 @@
0,
pbn_b0_8_115200 },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
+ PCI_VENDOR_ID_IBM, 0x0299,
+ 0, 0, pbn_b0_bt_2_115200 },
+
/*
* These entries match devices with class COMMUNICATION_SERIAL,
* COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL