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提交 8532b09f 编写于 作者: G Greg Kroah-Hartman
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Staging: aten2011: fix checkpatch errors and warnings 

After this, only warnings are line length ones.

Cc: Russell Lang <gsview@ghostgum.com.au>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 9d700545
隐藏空白更改
内联 并排
Showing with 67 addition and 123 deletion
drivers/staging/uc2322/aten2011.c
浏览文件 @ 8532b09f
......@@ -21,9 +21,9 @@
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/serial.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <asm/uaccess.h>
#define ZLP_REG1 0x3A /* Zero_Flag_Reg1 58 */
......@@ -88,23 +88,22 @@
#define ATENINTL_DEVICE_ID_2011 0x2011
#define ATENINTL_DEVICE_ID_7820 0x7820
static struct usb_device_id id_table [] = {
{ USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_2011) },
{ USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_7820) },
static struct usb_device_id id_table[] = {
{ USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_2011) },
{ USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_7820) },
{ } /* terminating entry */
};
MODULE_DEVICE_TABLE (usb, id_table);
MODULE_DEVICE_TABLE(usb, id_table);
/* This structure holds all of the local port information */
struct ATENINTL_port
{
struct ATENINTL_port {
int port_num; /*Actual port number in the device(1,2,etc)*/
__u8 bulk_out_endpoint; /* the bulk out endpoint handle */
unsigned char *bulk_out_buffer; /* buffer used for the bulk out endpoint */
struct urb *write_urb; /* write URB for this port */
__u8 bulk_in_endpoint; /* the bulk in endpoint handle */
unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
struct urb *read_urb; /* read URB for this port */
unsigned char *bulk_out_buffer; /* buffer used for the bulk out endpoint */
struct urb *write_urb; /* write URB for this port */
__u8 bulk_in_endpoint; /* the bulk in endpoint handle */
unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
struct urb *read_urb; /* read URB for this port */
__u8 shadowLCR; /* last LCR value received */
__u8 shadowMCR; /* last MCR value received */
char open;
......@@ -114,29 +113,27 @@ struct ATENINTL_port
struct async_icount icount;
struct usb_serial_port *port; /* loop back to the owner of this object */
/*Offsets*/
__u8 SpRegOffset;
__u8 ControlRegOffset;
__u8 DcrRegOffset;
__u8 SpRegOffset;
__u8 ControlRegOffset;
__u8 DcrRegOffset;
/* for processing control URBS in interrupt context */
struct urb *control_urb;
char *ctrl_buf;
int MsrLsr;
char *ctrl_buf;
int MsrLsr;
struct urb *write_urb_pool[NUM_URBS];
struct urb *write_urb_pool[NUM_URBS];
/* we pass a pointer to this as the arguement sent to cypress_set_termios old_termios */
struct ktermios tmp_termios; /* stores the old termios settings */
struct ktermios tmp_termios; /* stores the old termios settings */
spinlock_t lock; /* private lock */
};
/* This structure holds all of the individual serial device information */
struct ATENINTL_serial
{
struct ATENINTL_serial {
__u8 interrupt_in_endpoint; /* the interrupt endpoint handle */
unsigned char *interrupt_in_buffer; /* the buffer we use for the interrupt endpoint */
struct urb * interrupt_read_urb; /* our interrupt urb */
unsigned char *interrupt_in_buffer; /* the buffer we use for the interrupt endpoint */
struct urb *interrupt_read_urb; /* our interrupt urb */
__u8 bulk_in_endpoint; /* the bulk in endpoint handle */
unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
struct urb *read_urb; /* our bulk read urb */
__u8 bulk_out_endpoint; /* the bulk out endpoint handle */
struct usb_serial *serial; /* loop back to the owner of this object */
......@@ -215,7 +212,7 @@ static int debug;
/* set to 1 for RS485 mode and 0 for RS232 mode */
/* FIXME make this somehow dynamic and not build time specific */
static int RS485mode = 0;
static int RS485mode;
static int set_reg_sync(struct usb_serial_port *port, __u16 reg, __u16 val)
{
......@@ -314,18 +311,14 @@ static int handle_newMsr(struct ATENINTL_port *port, __u8 newMsr)
icount = &ATEN2011_port->icount;
/* update input line counters */
if (newMsr & ATEN_MSR_DELTA_CTS) {
if (newMsr & ATEN_MSR_DELTA_CTS)
icount->cts++;
}
if (newMsr & ATEN_MSR_DELTA_DSR) {
if (newMsr & ATEN_MSR_DELTA_DSR)
icount->dsr++;
}
if (newMsr & ATEN_MSR_DELTA_CD) {
if (newMsr & ATEN_MSR_DELTA_CD)
icount->dcd++;
}
if (newMsr & ATEN_MSR_DELTA_RI) {
if (newMsr & ATEN_MSR_DELTA_RI)
icount->rng++;
}
}
return 0;
......@@ -347,18 +340,14 @@ static int handle_newLsr(struct ATENINTL_port *port, __u8 newLsr)
/* update input line counters */
icount = &port->icount;
if (newLsr & SERIAL_LSR_BI) {
if (newLsr & SERIAL_LSR_BI)
icount->brk++;
}
if (newLsr & SERIAL_LSR_OE) {
if (newLsr & SERIAL_LSR_OE)
icount->overrun++;
}
if (newLsr & SERIAL_LSR_PE) {
if (newLsr & SERIAL_LSR_PE)
icount->parity++;
}
if (newLsr & SERIAL_LSR_FE) {
if (newLsr & SERIAL_LSR_FE)
icount->frame++;
}
return 0;
}
......@@ -399,12 +388,12 @@ static void ATEN2011_control_callback(struct urb *urb)
else if (ATEN2011_port->MsrLsr == 1)
handle_newLsr(ATEN2011_port, regval);
exit:
exit:
return;
}
static int ATEN2011_get_reg(struct ATENINTL_port *ATEN, __u16 Wval, __u16 reg,
__u16 * val)
__u16 *val)
{
struct usb_device *dev = ATEN->port->serial->dev;
struct usb_ctrlrequest *dr = NULL;
......@@ -531,7 +520,7 @@ static void ATEN2011_interrupt_callback(struct urb *urb)
}
}
exit:
exit:
if (ATEN2011_serial->status_polling_started == 0)
return;
......@@ -543,7 +532,6 @@ static void ATEN2011_interrupt_callback(struct urb *urb)
}
return;
}
static void ATEN2011_bulk_in_callback(struct urb *urb)
......@@ -594,10 +582,8 @@ static void ATEN2011_bulk_in_callback(struct urb *urb)
ATEN2011_port->read_urb->dev = serial->dev;
status = usb_submit_urb(ATEN2011_port->read_urb, GFP_ATOMIC);
if (status) {
if (status)
dbg("usb_submit_urb(read bulk) failed, status = %d", status);
}
}
}
......@@ -660,28 +646,11 @@ static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port,
if (ATEN2011_port == NULL)
return -ENODEV;
/*
if (ATEN2011_port->ctrl_buf==NULL)
{
ATEN2011_port->ctrl_buf = kmalloc(16,GFP_KERNEL);
if (ATEN2011_port->ctrl_buf == NULL) {
printk(", Can't allocate ctrl buff\n");
return -ENOMEM;
}
}
if(!ATEN2011_port->control_urb)
{
ATEN2011_port->control_urb=kmalloc(sizeof(struct urb),GFP_KERNEL);
}
*/
ATEN2011_serial = usb_get_serial_data(serial);
if (ATEN2011_serial == NULL) {
if (ATEN2011_serial == NULL)
return -ENODEV;
}
/* increment the number of opened ports counter here */
ATEN2011_serial->NoOfOpenPorts++;
......@@ -996,13 +965,12 @@ static int ATEN2011_chars_in_buffer(struct tty_struct *tty)
return -1;
}
for (i = 0; i < NUM_URBS; ++i) {
if (ATEN2011_port->write_urb_pool[i]->status == -EINPROGRESS) {
for (i = 0; i < NUM_URBS; ++i)
if (ATEN2011_port->write_urb_pool[i]->status == -EINPROGRESS)
chars += URB_TRANSFER_BUFFER_SIZE;
}
}
dbg("%s - returns %d", __func__, chars);
return (chars);
return chars;
}
......@@ -1014,13 +982,11 @@ static void ATEN2011_block_until_tx_empty(struct tty_struct *tty,
int count;
while (1) {
count = ATEN2011_chars_in_buffer(tty);
/* Check for Buffer status */
if (count <= 0) {
if (count <= 0)
return;
}
/* Block the thread for a while */
interruptible_sleep_on_timeout(&ATEN2011_port->wait_chase,
......@@ -1053,9 +1019,9 @@ static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port,
/* take the Adpater and port's private data */
ATEN2011_serial = usb_get_serial_data(serial);
ATEN2011_port = usb_get_serial_port_data(port);
if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL)) {
if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL))
return;
}
if (serial->dev) {
/* flush and block(wait) until tx is empty */
ATEN2011_block_until_tx_empty(tty, ATEN2011_port);
......@@ -1065,13 +1031,8 @@ static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port,
usb_kill_urb(ATEN2011_port->write_urb_pool[no_urbs]);
/* Freeing Write URBs */
for (no_urbs = 0; no_urbs < NUM_URBS; ++no_urbs) {
if (ATEN2011_port->write_urb_pool[no_urbs]) {
if (ATEN2011_port->write_urb_pool[no_urbs]->
transfer_buffer)
kfree(ATEN2011_port->write_urb_pool[no_urbs]->
transfer_buffer);
usb_free_urb(ATEN2011_port->write_urb_pool[no_urbs]);
}
kfree(ATEN2011_port->write_urb_pool[no_urbs]->transfer_buffer);
usb_free_urb(ATEN2011_port->write_urb_pool[no_urbs]);
}
/* While closing port, shutdown all bulk read, write *
* and interrupt read if they exists */
......@@ -1107,11 +1068,10 @@ static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port,
}
if (ATEN2011_port->write_urb) {
/* if this urb had a transfer buffer already (old tx) free it */
if (ATEN2011_port->write_urb->transfer_buffer != NULL) {
kfree(ATEN2011_port->write_urb->transfer_buffer);
}
kfree(ATEN2011_port->write_urb->transfer_buffer);
usb_free_urb(ATEN2011_port->write_urb);
}
/* clear the MCR & IER */
Data = 0x00;
set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
......@@ -1172,24 +1132,21 @@ static void ATEN2011_break(struct tty_struct *tty, int break_state)
ATEN2011_serial = usb_get_serial_data(serial);
ATEN2011_port = usb_get_serial_port_data(port);
if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL)) {
if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL))
return;
}
/* flush and chase */
ATEN2011_port->chaseResponsePending = 1;
if (serial->dev) {
/* flush and block until tx is empty */
ATEN2011_block_until_chase_response(tty, ATEN2011_port);
}
if (break_state == -1) {
if (break_state == -1)
data = ATEN2011_port->shadowLCR | LCR_SET_BREAK;
} else {
else
data = ATEN2011_port->shadowLCR & ~LCR_SET_BREAK;
}
ATEN2011_port->shadowLCR = data;
dbg("ATEN2011_break ATEN2011_port->shadowLCR is %x",
......@@ -1212,14 +1169,12 @@ static int ATEN2011_write_room(struct tty_struct *tty)
return -1;
}
for (i = 0; i < NUM_URBS; ++i) {
if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS) {
for (i = 0; i < NUM_URBS; ++i)
if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS)
room += URB_TRANSFER_BUFFER_SIZE;
}
}
dbg("%s - returns %d", __func__, room);
return (room);
return room;
}
......@@ -1286,8 +1241,8 @@ static int ATEN2011_write(struct tty_struct *tty, struct usb_serial_port *port,
/* fill urb with data and submit */
minor = port->serial->minor;
if (minor == SERIAL_TTY_NO_MINOR) ;
minor = 0;
if (minor == SERIAL_TTY_NO_MINOR)
minor = 0;
if ((ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2)
&& (((__u16) port->number - (__u16) (minor)) != 0)) {
usb_fill_bulk_urb(urb, ATEN2011_serial->serial->dev,
......@@ -1326,10 +1281,9 @@ static int ATEN2011_write(struct tty_struct *tty, struct usb_serial_port *port,
bytes_sent = transfer_size;
ATEN2011_port->icount.tx += transfer_size;
dbg("ATEN2011_port->icount.tx is %d:", ATEN2011_port->icount.tx);
exit:
exit:
return bytes_sent;
}
static void ATEN2011_throttle(struct tty_struct *tty)
......@@ -1361,9 +1315,8 @@ static void ATEN2011_throttle(struct tty_struct *tty)
if (I_IXOFF(tty)) {
unsigned char stop_char = STOP_CHAR(tty);
status = ATEN2011_write(tty, port, &stop_char, 1);
if (status <= 0) {
if (status <= 0)
return;
}
}
/* if we are implementing RTS/CTS, toggle that line */
......@@ -1371,10 +1324,8 @@ static void ATEN2011_throttle(struct tty_struct *tty)
ATEN2011_port->shadowMCR &= ~MCR_RTS;
status = set_uart_reg(port, MODEM_CONTROL_REGISTER,
ATEN2011_port->shadowMCR);
if (status < 0) {
if (status < 0)
return;
}
}
return;
......@@ -1405,9 +1356,8 @@ static void ATEN2011_unthrottle(struct tty_struct *tty)
if (I_IXOFF(tty)) {
unsigned char start_char = START_CHAR(tty);
status = ATEN2011_write(tty, port, &start_char, 1);
if (status <= 0) {
if (status <= 0)
return;
}
}
/* if we are implementing RTS/CTS, toggle that line */
......@@ -1415,9 +1365,8 @@ static void ATEN2011_unthrottle(struct tty_struct *tty)
ATEN2011_port->shadowMCR |= MCR_RTS;
status = set_uart_reg(port, MODEM_CONTROL_REGISTER,
ATEN2011_port->shadowMCR);
if (status < 0) {
if (status < 0)
return;
}
}
return;
......@@ -1826,7 +1775,7 @@ static int ATEN2011_ioctl(struct tty_struct *tty, struct file *file,
}
static int ATEN2011_calc_baud_rate_divisor(int baudRate, int *divisor,
__u16 * clk_sel_val)
__u16 *clk_sel_val)
{
dbg("%s - %d", __func__, baudRate);
......@@ -1916,8 +1865,7 @@ static int ATEN2011_send_cmd_write_baud_rate(struct ATENINTL_port
}
if (1) /* baudRate <= 115200) */
{
if (1) /* baudRate <= 115200) */ {
clk_sel_val = 0x0;
Data = 0x0;
status =
......@@ -2045,9 +1993,8 @@ static void ATEN2011_change_port_settings(struct tty_struct *tty,
dbg("%s - parity = none", __func__);
}
if (cflag & CMSPAR) {
if (cflag & CMSPAR)
lParity = lParity | 0x20;
}
/* Change the Stop bit */
if (cflag & CSTOPB) {
......@@ -2090,16 +2037,13 @@ static void ATEN2011_change_port_settings(struct tty_struct *tty,
/* set up the MCR register and send it to the ATEN2011 */
ATEN2011_port->shadowMCR = MCR_MASTER_IE;
if (cflag & CBAUD) {
if (cflag & CBAUD)
ATEN2011_port->shadowMCR |= (MCR_DTR | MCR_RTS);
}
if (cflag & CRTSCTS) {
if (cflag & CRTSCTS)
ATEN2011_port->shadowMCR |= (MCR_XON_ANY);
} else {
else
ATEN2011_port->shadowMCR &= ~(MCR_XON_ANY);
}
Data = ATEN2011_port->shadowMCR;
set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
......
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