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path: root/drivers/tty/serial/icom.c
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Diffstat (limited to 'drivers/tty/serial/icom.c')
-rw-r--r--drivers/tty/serial/icom.c136
1 files changed, 72 insertions, 64 deletions
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index defc4e3393a..67423805e6d 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -105,7 +105,7 @@ static const struct pci_device_id icom_pci_table[] = {
{}
};
-struct lookup_proc_table start_proc[4] = {
+static struct lookup_proc_table start_proc[4] = {
{NULL, ICOM_CONTROL_START_A},
{NULL, ICOM_CONTROL_START_B},
{NULL, ICOM_CONTROL_START_C},
@@ -113,14 +113,14 @@ struct lookup_proc_table start_proc[4] = {
};
-struct lookup_proc_table stop_proc[4] = {
+static struct lookup_proc_table stop_proc[4] = {
{NULL, ICOM_CONTROL_STOP_A},
{NULL, ICOM_CONTROL_STOP_B},
{NULL, ICOM_CONTROL_STOP_C},
{NULL, ICOM_CONTROL_STOP_D}
};
-struct lookup_int_table int_mask_tbl[4] = {
+static struct lookup_int_table int_mask_tbl[4] = {
{NULL, ICOM_INT_MASK_PRC_A},
{NULL, ICOM_INT_MASK_PRC_B},
{NULL, ICOM_INT_MASK_PRC_C},
@@ -175,7 +175,7 @@ static void free_port_memory(struct icom_port *icom_port)
}
}
-static int __devinit get_port_memory(struct icom_port *icom_port)
+static int get_port_memory(struct icom_port *icom_port)
{
int index;
unsigned long stgAddr;
@@ -297,25 +297,25 @@ static void stop_processor(struct icom_port *icom_port)
spin_lock_irqsave(&icom_lock, flags);
port = icom_port->port;
+ if (port >= ARRAY_SIZE(stop_proc)) {
+ dev_err(&icom_port->adapter->pci_dev->dev,
+ "Invalid port assignment\n");
+ goto unlock;
+ }
+
if (port == 0 || port == 1)
stop_proc[port].global_control_reg = &icom_port->global_reg->control;
else
stop_proc[port].global_control_reg = &icom_port->global_reg->control_2;
+ temp = readl(stop_proc[port].global_control_reg);
+ temp = (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id;
+ writel(temp, stop_proc[port].global_control_reg);
- if (port < 4) {
- temp = readl(stop_proc[port].global_control_reg);
- temp =
- (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id;
- writel(temp, stop_proc[port].global_control_reg);
-
- /* write flush */
- readl(stop_proc[port].global_control_reg);
- } else {
- dev_err(&icom_port->adapter->pci_dev->dev,
- "Invalid port assignment\n");
- }
+ /* write flush */
+ readl(stop_proc[port].global_control_reg);
+unlock:
spin_unlock_irqrestore(&icom_lock, flags);
}
@@ -328,23 +328,25 @@ static void start_processor(struct icom_port *icom_port)
spin_lock_irqsave(&icom_lock, flags);
port = icom_port->port;
+ if (port >= ARRAY_SIZE(start_proc)) {
+ dev_err(&icom_port->adapter->pci_dev->dev,
+ "Invalid port assignment\n");
+ goto unlock;
+ }
+
if (port == 0 || port == 1)
start_proc[port].global_control_reg = &icom_port->global_reg->control;
else
start_proc[port].global_control_reg = &icom_port->global_reg->control_2;
- if (port < 4) {
- temp = readl(start_proc[port].global_control_reg);
- temp =
- (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id;
- writel(temp, start_proc[port].global_control_reg);
- /* write flush */
- readl(start_proc[port].global_control_reg);
- } else {
- dev_err(&icom_port->adapter->pci_dev->dev,
- "Invalid port assignment\n");
- }
+ temp = readl(start_proc[port].global_control_reg);
+ temp = (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id;
+ writel(temp, start_proc[port].global_control_reg);
+ /* write flush */
+ readl(start_proc[port].global_control_reg);
+
+unlock:
spin_unlock_irqrestore(&icom_lock, flags);
}
@@ -453,11 +455,11 @@ static void load_code(struct icom_port *icom_port)
for (index = 0; index < fw->size; index++)
new_page[index] = fw->data[index];
- release_firmware(fw);
-
writeb((char) ((fw->size + 16)/16), &icom_port->dram->mac_length);
writel(temp_pci, &icom_port->dram->mac_load_addr);
+ release_firmware(fw);
+
/*Setting the syncReg to 0x80 causes adapter to start downloading
the personality code into adapter instruction RAM.
Once code is loaded, it will begin executing and, based on
@@ -505,7 +507,7 @@ static void load_code(struct icom_port *icom_port)
/* Stop processor */
stop_processor(icom_port);
- dev_err(&icom_port->adapter->pci_dev->dev,"Port not opertional\n");
+ dev_err(&icom_port->adapter->pci_dev->dev,"Port not operational\n");
}
if (new_page != NULL)
@@ -557,6 +559,12 @@ static int startup(struct icom_port *icom_port)
*/
spin_lock_irqsave(&icom_lock, flags);
port = icom_port->port;
+ if (port >= ARRAY_SIZE(int_mask_tbl)) {
+ dev_err(&icom_port->adapter->pci_dev->dev,
+ "Invalid port assignment\n");
+ goto unlock;
+ }
+
if (port == 0 || port == 1)
int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask;
else
@@ -566,17 +574,14 @@ static int startup(struct icom_port *icom_port)
writew(0x00FF, icom_port->int_reg);
else
writew(0x3F00, icom_port->int_reg);
- if (port < 4) {
- temp = readl(int_mask_tbl[port].global_int_mask);
- writel(temp & ~int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask);
- /* write flush */
- readl(int_mask_tbl[port].global_int_mask);
- } else {
- dev_err(&icom_port->adapter->pci_dev->dev,
- "Invalid port assignment\n");
- }
+ temp = readl(int_mask_tbl[port].global_int_mask);
+ writel(temp & ~int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask);
+
+ /* write flush */
+ readl(int_mask_tbl[port].global_int_mask);
+unlock:
spin_unlock_irqrestore(&icom_lock, flags);
return 0;
}
@@ -595,21 +600,23 @@ static void shutdown(struct icom_port *icom_port)
* disable all interrupts
*/
port = icom_port->port;
+ if (port >= ARRAY_SIZE(int_mask_tbl)) {
+ dev_err(&icom_port->adapter->pci_dev->dev,
+ "Invalid port assignment\n");
+ goto unlock;
+ }
if (port == 0 || port == 1)
int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask;
else
int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask_2;
- if (port < 4) {
- temp = readl(int_mask_tbl[port].global_int_mask);
- writel(temp | int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask);
+ temp = readl(int_mask_tbl[port].global_int_mask);
+ writel(temp | int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask);
- /* write flush */
- readl(int_mask_tbl[port].global_int_mask);
- } else {
- dev_err(&icom_port->adapter->pci_dev->dev,
- "Invalid port assignment\n");
- }
+ /* write flush */
+ readl(int_mask_tbl[port].global_int_mask);
+
+unlock:
spin_unlock_irqrestore(&icom_lock, flags);
/*
@@ -734,7 +741,7 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
- struct tty_struct *tty = icom_port->uart_port.state->port.tty;
+ struct tty_port *port = &icom_port->uart_port.state->port;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
@@ -761,7 +768,7 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
/* Block copy all but the last byte as this may have status */
if (count > 0) {
first = icom_port->recv_buf[offset];
- tty_insert_flip_string(tty, icom_port->recv_buf + offset, count - 1);
+ tty_insert_flip_string(port, icom_port->recv_buf + offset, count - 1);
}
icount = &icom_port->uart_port.icount;
@@ -812,7 +819,7 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
}
- tty_insert_flip_char(tty, *(icom_port->recv_buf + offset + count - 1), flag);
+ tty_insert_flip_char(port, *(icom_port->recv_buf + offset + count - 1), flag);
if (status & SA_FLAGS_OVERRUN)
/*
@@ -820,7 +827,7 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
* reported immediately, and doesn't
* affect the current character
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
ignore_char:
icom_port->statStg->rcv[rcv_buff].flags = 0;
icom_port->statStg->rcv[rcv_buff].leLength = 0;
@@ -834,7 +841,10 @@ ignore_char:
status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags);
}
icom_port->next_rcv = rcv_buff;
- tty_flip_buffer_push(tty);
+
+ spin_unlock(&icom_port->uart_port.lock);
+ tty_flip_buffer_push(port);
+ spin_lock(&icom_port->uart_port.lock);
}
static void process_interrupt(u16 port_int_reg,
@@ -1087,8 +1097,7 @@ static void icom_close(struct uart_port *port)
/* stop receiver */
cmdReg = readb(&ICOM_PORT->dram->CmdReg);
- writeb(cmdReg & (unsigned char) ~CMD_RCV_ENABLE,
- &ICOM_PORT->dram->CmdReg);
+ writeb(cmdReg & ~CMD_RCV_ENABLE, &ICOM_PORT->dram->CmdReg);
shutdown(ICOM_PORT);
@@ -1314,7 +1323,7 @@ static struct uart_driver icom_uart_driver = {
.cons = ICOM_CONSOLE,
};
-static int __devinit icom_init_ports(struct icom_adapter *icom_adapter)
+static int icom_init_ports(struct icom_adapter *icom_adapter)
{
u32 subsystem_id = icom_adapter->subsystem_id;
int i;
@@ -1381,7 +1390,7 @@ static void icom_port_active(struct icom_port *icom_port, struct icom_adapter *i
0x8024 + 2 - 2 * (icom_port->port - 2);
}
}
-static int __devinit icom_load_ports(struct icom_adapter *icom_adapter)
+static int icom_load_ports(struct icom_adapter *icom_adapter)
{
struct icom_port *icom_port;
int port_num;
@@ -1407,7 +1416,7 @@ static int __devinit icom_load_ports(struct icom_adapter *icom_adapter)
return 0;
}
-static int __devinit icom_alloc_adapter(struct icom_adapter
+static int icom_alloc_adapter(struct icom_adapter
**icom_adapter_ref)
{
int adapter_count = 0;
@@ -1415,8 +1424,7 @@ static int __devinit icom_alloc_adapter(struct icom_adapter
struct icom_adapter *cur_adapter_entry;
struct list_head *tmp;
- icom_adapter = (struct icom_adapter *)
- kzalloc(sizeof(struct icom_adapter), GFP_KERNEL);
+ icom_adapter = kzalloc(sizeof(struct icom_adapter), GFP_KERNEL);
if (!icom_adapter) {
return -ENOMEM;
@@ -1487,7 +1495,7 @@ static void icom_kref_release(struct kref *kref)
icom_remove_adapter(icom_adapter);
}
-static int __devinit icom_probe(struct pci_dev *dev,
+static int icom_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
int index;
@@ -1568,7 +1576,7 @@ static int __devinit icom_probe(struct pci_dev *dev,
icom_port->uart_port.type = PORT_ICOM;
icom_port->uart_port.iotype = UPIO_MEM;
icom_port->uart_port.membase =
- (char *) icom_adapter->base_addr_pci;
+ (unsigned char __iomem *)icom_adapter->base_addr_pci;
icom_port->uart_port.fifosize = 16;
icom_port->uart_port.ops = &icom_ops;
icom_port->uart_port.line =
@@ -1596,7 +1604,7 @@ probe_exit0:
return retval;
}
-static void __devexit icom_remove(struct pci_dev *dev)
+static void icom_remove(struct pci_dev *dev)
{
struct icom_adapter *icom_adapter;
struct list_head *tmp;
@@ -1617,7 +1625,7 @@ static struct pci_driver icom_pci_driver = {
.name = ICOM_DRIVER_NAME,
.id_table = icom_pci_table,
.probe = icom_probe,
- .remove = __devexit_p(icom_remove),
+ .remove = icom_remove,
};
static int __init icom_init(void)