USB: serial: ti_usb_3410_5052: do not use __uX types

__uX types should only be used for user-space interactions.

Also clean up uart-config endianess handling, and drop some redundant
casts.

Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[ johan: amend commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Mathieu OTHACEHE 2016-07-26 19:59:41 +02:00 committed by Johan Hovold
parent 919568691d
commit f1054b2d6a
1 changed files with 50 additions and 49 deletions

View File

@ -179,23 +179,23 @@
/* Config struct */
struct ti_uart_config {
__u16 wBaudRate;
__u16 wFlags;
__u8 bDataBits;
__u8 bParity;
__u8 bStopBits;
__be16 wBaudRate;
__be16 wFlags;
u8 bDataBits;
u8 bParity;
u8 bStopBits;
char cXon;
char cXoff;
__u8 bUartMode;
u8 bUartMode;
} __packed;
/* Get port status */
struct ti_port_status {
__u8 bCmdCode;
__u8 bModuleId;
__u8 bErrorCode;
__u8 bMSR;
__u8 bLSR;
u8 bCmdCode;
u8 bModuleId;
u8 bErrorCode;
u8 bMSR;
u8 bLSR;
} __packed;
/* Purge modes */
@ -218,12 +218,12 @@ struct ti_port_status {
#define TI_RW_DATA_DOUBLE_WORD 0x04
struct ti_write_data_bytes {
__u8 bAddrType;
__u8 bDataType;
__u8 bDataCounter;
u8 bAddrType;
u8 bDataType;
u8 bDataCounter;
__be16 wBaseAddrHi;
__be16 wBaseAddrLo;
__u8 bData[0];
u8 bData[0];
} __packed;
struct ti_read_data_request {
@ -258,7 +258,7 @@ struct ti_interrupt {
/* Firmware image header */
struct ti_firmware_header {
__le16 wLength;
__u8 bCheckSum;
u8 bCheckSum;
} __packed;
/* UART addresses */
@ -288,9 +288,9 @@ struct ti_firmware_header {
struct ti_port {
int tp_is_open;
__u8 tp_msr;
__u8 tp_shadow_mcr;
__u8 tp_uart_mode; /* 232 or 485 modes */
u8 tp_msr;
u8 tp_shadow_mcr;
u8 tp_uart_mode; /* 232 or 485 modes */
unsigned int tp_uart_base_addr;
int tp_flags;
struct ti_device *tp_tdev;
@ -343,7 +343,7 @@ static int ti_get_serial_info(struct ti_port *tport,
struct serial_struct __user *ret_arg);
static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
struct serial_struct __user *new_arg);
static void ti_handle_new_msr(struct ti_port *tport, __u8 msr);
static void ti_handle_new_msr(struct ti_port *tport, u8 msr);
static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty);
static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty);
@ -354,7 +354,7 @@ static int ti_command_in_sync(struct ti_device *tdev, __u8 command,
__u16 moduleid, __u16 value, __u8 *data, int size);
static int ti_write_byte(struct usb_serial_port *port, struct ti_device *tdev,
unsigned long addr, __u8 mask, __u8 byte);
unsigned long addr, u8 mask, u8 byte);
static int ti_download_firmware(struct ti_device *tdev);
@ -647,9 +647,11 @@ static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
struct urb *urb;
int port_number;
int status;
__u16 open_settings = (__u8)(TI_PIPE_MODE_CONTINUOUS |
TI_PIPE_TIMEOUT_ENABLE |
(TI_TRANSFER_TIMEOUT << 2));
u16 open_settings;
open_settings = (TI_PIPE_MODE_CONTINUOUS |
TI_PIPE_TIMEOUT_ENABLE |
(TI_TRANSFER_TIMEOUT << 2));
if (tport == NULL)
return -ENODEV;
@ -959,6 +961,8 @@ static void ti_set_termios(struct tty_struct *tty,
int status;
int port_number = port->port_number;
unsigned int mcr;
u16 wbaudrate;
u16 wflags = 0;
cflag = tty->termios.c_cflag;
iflag = tty->termios.c_iflag;
@ -974,12 +978,10 @@ static void ti_set_termios(struct tty_struct *tty,
if (!config)
return;
config->wFlags = 0;
/* these flags must be set */
config->wFlags |= TI_UART_ENABLE_MS_INTS;
config->wFlags |= TI_UART_ENABLE_AUTO_START_DMA;
config->bUartMode = (__u8)(tport->tp_uart_mode);
wflags |= TI_UART_ENABLE_MS_INTS;
wflags |= TI_UART_ENABLE_AUTO_START_DMA;
config->bUartMode = tport->tp_uart_mode;
switch (cflag & CSIZE) {
case CS5:
@ -1002,14 +1004,14 @@ static void ti_set_termios(struct tty_struct *tty,
if (cflag & PARENB) {
if (cflag & PARODD) {
config->wFlags |= TI_UART_ENABLE_PARITY_CHECKING;
wflags |= TI_UART_ENABLE_PARITY_CHECKING;
config->bParity = TI_UART_ODD_PARITY;
} else {
config->wFlags |= TI_UART_ENABLE_PARITY_CHECKING;
wflags |= TI_UART_ENABLE_PARITY_CHECKING;
config->bParity = TI_UART_EVEN_PARITY;
}
} else {
config->wFlags &= ~TI_UART_ENABLE_PARITY_CHECKING;
wflags &= ~TI_UART_ENABLE_PARITY_CHECKING;
config->bParity = TI_UART_NO_PARITY;
}
@ -1021,8 +1023,8 @@ static void ti_set_termios(struct tty_struct *tty,
if (cflag & CRTSCTS) {
/* RTS flow control must be off to drop RTS for baud rate B0 */
if ((cflag & CBAUD) != B0)
config->wFlags |= TI_UART_ENABLE_RTS_IN;
config->wFlags |= TI_UART_ENABLE_CTS_OUT;
wflags |= TI_UART_ENABLE_RTS_IN;
wflags |= TI_UART_ENABLE_CTS_OUT;
} else {
ti_restart_read(tport, tty);
}
@ -1032,21 +1034,21 @@ static void ti_set_termios(struct tty_struct *tty,
config->cXoff = STOP_CHAR(tty);
if (I_IXOFF(tty))
config->wFlags |= TI_UART_ENABLE_X_IN;
wflags |= TI_UART_ENABLE_X_IN;
else
ti_restart_read(tport, tty);
if (I_IXON(tty))
config->wFlags |= TI_UART_ENABLE_X_OUT;
wflags |= TI_UART_ENABLE_X_OUT;
}
baud = tty_get_baud_rate(tty);
if (!baud)
baud = 9600;
if (tport->tp_tdev->td_is_3410)
config->wBaudRate = (__u16)((923077 + baud/2) / baud);
wbaudrate = (923077 + baud/2) / baud;
else
config->wBaudRate = (__u16)((461538 + baud/2) / baud);
wbaudrate = (461538 + baud/2) / baud;
/* FIXME: Should calculate resulting baud here and report it back */
if ((cflag & CBAUD) != B0)
@ -1054,12 +1056,12 @@ static void ti_set_termios(struct tty_struct *tty,
dev_dbg(&port->dev,
"%s - BaudRate=%d, wBaudRate=%d, wFlags=0x%04X, bDataBits=%d, bParity=%d, bStopBits=%d, cXon=%d, cXoff=%d, bUartMode=%d\n",
__func__, baud, config->wBaudRate, config->wFlags,
__func__, baud, wbaudrate, wflags,
config->bDataBits, config->bParity, config->bStopBits,
config->cXon, config->cXoff, config->bUartMode);
cpu_to_be16s(&config->wBaudRate);
cpu_to_be16s(&config->wFlags);
config->wBaudRate = cpu_to_be16(wbaudrate);
config->wFlags = cpu_to_be16(wflags);
status = ti_command_out_sync(tport->tp_tdev, TI_SET_CONFIG,
(__u8)(TI_UART1_PORT + port_number), 0, (__u8 *)config,
@ -1189,7 +1191,7 @@ static void ti_interrupt_callback(struct urb *urb)
int function;
int status = urb->status;
int retval;
__u8 msr;
u8 msr;
switch (status) {
case 0:
@ -1522,7 +1524,7 @@ static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
}
static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
static void ti_handle_new_msr(struct ti_port *tport, u8 msr)
{
struct async_icount *icount;
struct tty_struct *tty;
@ -1634,8 +1636,8 @@ static int ti_command_in_sync(struct ti_device *tdev, __u8 command,
static int ti_write_byte(struct usb_serial_port *port,
struct ti_device *tdev, unsigned long addr,
__u8 mask, __u8 byte)
struct ti_device *tdev, unsigned long addr,
u8 mask, u8 byte)
{
int status;
unsigned int size;
@ -1679,11 +1681,10 @@ static int ti_do_download(struct usb_device *dev, int pipe,
int len;
for (pos = sizeof(struct ti_firmware_header); pos < size; pos++)
cs = (__u8)(cs + buffer[pos]);
cs = (u8)(cs + buffer[pos]);
header = (struct ti_firmware_header *)buffer;
header->wLength = cpu_to_le16((__u16)(size
- sizeof(struct ti_firmware_header)));
header->wLength = cpu_to_le16(size - sizeof(*header));
header->bCheckSum = cs;
dev_dbg(&dev->dev, "%s - downloading firmware\n", __func__);
@ -1701,7 +1702,7 @@ static int ti_download_firmware(struct ti_device *tdev)
{
int status;
int buffer_size;
__u8 *buffer;
u8 *buffer;
struct usb_device *dev = tdev->td_serial->dev;
unsigned int pipe = usb_sndbulkpipe(dev,
tdev->td_serial->port[0]->bulk_out_endpointAddress);