diff options
| -rw-r--r-- | drivers/serial/8250.c | 8 | ||||
| -rw-r--r-- | drivers/serial/8250_pci.c | 16 | ||||
| -rw-r--r-- | include/linux/pci_ids.h | 5 |
3 files changed, 27 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 5261f0af8b10..2964ca9df5a0 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -920,12 +920,16 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) #ifdef __i386__ outb(0xff, 0x080); #endif - scratch2 = serial_inp(up, UART_IER); + /* + * Mask out IER[7:4] bits for test as some UARTs (e.g. TL + * 16C754B) allow only to modify them if an EFR bit is set. + */ + scratch2 = serial_inp(up, UART_IER) & 0x0f; serial_outp(up, UART_IER, 0x0F); #ifdef __i386__ outb(0, 0x080); #endif - scratch3 = serial_inp(up, UART_IER); + scratch3 = serial_inp(up, UART_IER) & 0x0f; serial_outp(up, UART_IER, scratch); if (scratch2 != 0 || scratch3 != 0x0F) { /* diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 52e2e64c6649..5dfaa0926cfd 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -679,6 +679,13 @@ static struct pci_serial_quirk pci_serial_quirks[] = { */ { .vendor = PCI_VENDOR_ID_PLX, + .device = PCI_DEVICE_ID_PLX_9030, + .subvendor = PCI_SUBVENDOR_ID_PERLE, + .subdevice = PCI_ANY_ID, + .setup = pci_default_setup, + }, + { + .vendor = PCI_VENDOR_ID_PLX, .device = PCI_DEVICE_ID_PLX_9050, .subvendor = PCI_SUBVENDOR_ID_EXSYS, .subdevice = PCI_SUBDEVICE_ID_EXSYS_4055, @@ -2379,6 +2386,15 @@ static struct pci_device_id serial_pci_tbl[] = { pbn_b2_2_115200 }, /* + * Perle PCI-RAS cards + */ + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, + PCI_SUBVENDOR_ID_PERLE, PCI_SUBDEVICE_ID_PCI_RAS4, + 0, 0, pbn_b2_4_921600 }, + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, + PCI_SUBVENDOR_ID_PERLE, PCI_SUBDEVICE_ID_PCI_RAS8, + 0, 0, pbn_b2_8_921600 }, + /* * These entries match devices with class COMMUNICATION_SERIAL, * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index e5e5b9ffcfb5..d655378f1c63 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -959,6 +959,7 @@ #define PCI_DEVICE_ID_PLX_R753 0x1152 #define PCI_DEVICE_ID_PLX_OLITEC 0x1187 #define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196 +#define PCI_DEVICE_ID_PLX_9030 0x9030 #define PCI_DEVICE_ID_PLX_9050 0x9050 #define PCI_DEVICE_ID_PLX_9080 0x9080 #define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001 @@ -1994,6 +1995,10 @@ #define PCI_VENDOR_ID_CHELSIO 0x1425 +#define PCI_SUBVENDOR_ID_PERLE 0x155f +#define PCI_SUBDEVICE_ID_PCI_RAS4 0xf001 +#define PCI_SUBDEVICE_ID_PCI_RAS8 0xf010 + #define PCI_VENDOR_ID_SYBA 0x1592 #define PCI_DEVICE_ID_SYBA_2P_EPP 0x0782 |