summaryrefslogtreecommitdiff
path: root/drivers/tty/serial/8250/8250_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/tty/serial/8250/8250_pci.c')
-rw-r--r--drivers/tty/serial/8250/8250_pci.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index b98c1578f45a..22d32d295c5b 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -52,6 +52,7 @@ struct serial_private {
struct pci_dev *dev;
unsigned int nr;
struct pci_serial_quirk *quirk;
+ const struct pciserial_board *board;
int line[0];
};
@@ -2688,6 +2689,8 @@ enum pci_board_num_t {
pbn_b0_4_1152000_200,
pbn_b0_8_1152000_200,
+ pbn_b0_4_1250000,
+
pbn_b0_2_1843200,
pbn_b0_4_1843200,
@@ -2919,6 +2922,13 @@ static struct pciserial_board pci_boards[] = {
.uart_offset = 0x200,
},
+ [pbn_b0_4_1250000] = {
+ .flags = FL_BASE0,
+ .num_ports = 4,
+ .base_baud = 1250000,
+ .uart_offset = 8,
+ },
+
[pbn_b0_2_1843200] = {
.flags = FL_BASE0,
.num_ports = 2,
@@ -3862,6 +3872,7 @@ pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board)
}
}
priv->nr = i;
+ priv->board = board;
return priv;
err_deinit:
@@ -3872,7 +3883,7 @@ err_out:
}
EXPORT_SYMBOL_GPL(pciserial_init_ports);
-void pciserial_remove_ports(struct serial_private *priv)
+void pciserial_detach_ports(struct serial_private *priv)
{
struct pci_serial_quirk *quirk;
int i;
@@ -3886,7 +3897,11 @@ void pciserial_remove_ports(struct serial_private *priv)
quirk = find_quirk(priv->dev);
if (quirk->exit)
quirk->exit(priv->dev);
+}
+void pciserial_remove_ports(struct serial_private *priv)
+{
+ pciserial_detach_ports(priv);
kfree(priv);
}
EXPORT_SYMBOL_GPL(pciserial_remove_ports);
@@ -5549,6 +5564,10 @@ static struct pci_device_id serial_pci_tbl[] = {
{ PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 },
{ PCI_DEVICE(0x1c29, 0x1112), .driver_data = pbn_fintek_12 },
+ /* MKS Tenta SCOM-080x serial cards */
+ { PCI_DEVICE(0x1601, 0x0800), .driver_data = pbn_b0_4_1250000 },
+ { PCI_DEVICE(0x1601, 0xa801), .driver_data = pbn_b0_4_1250000 },
+
/*
* These entries match devices with class COMMUNICATION_SERIAL,
* COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
@@ -5577,7 +5596,7 @@ static pci_ers_result_t serial8250_io_error_detected(struct pci_dev *dev,
return PCI_ERS_RESULT_DISCONNECT;
if (priv)
- pciserial_suspend_ports(priv);
+ pciserial_detach_ports(priv);
pci_disable_device(dev);
@@ -5602,9 +5621,16 @@ static pci_ers_result_t serial8250_io_slot_reset(struct pci_dev *dev)
static void serial8250_io_resume(struct pci_dev *dev)
{
struct serial_private *priv = pci_get_drvdata(dev);
+ struct serial_private *new;
- if (priv)
- pciserial_resume_ports(priv);
+ if (!priv)
+ return;
+
+ new = pciserial_init_ports(dev, priv->board);
+ if (!IS_ERR(new)) {
+ pci_set_drvdata(dev, new);
+ kfree(priv);
+ }
}
static const struct pci_error_handlers serial8250_err_handler = {