UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

tty: serial: serial_txx9: remove struct uart_txx9_port 

It's only a wrapper to struct uart_port, so unwrap the whole code.

No change in functionality is intended.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220307054348.31748-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2022-03-07 06:43:47 +01:00 committed by Greg Kroah-Hartman
parent ab818c7aa7
commit 4f6f194f2b
1 changed files with 167 additions and 197 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

364
drivers/tty/serial/serial_txx9.c
View File

@ -54,11 +54,6 @@
*/
#define UART_NR CONFIG_SERIAL_TXX9_NR_UARTS
struct uart_txx9_port {
struct uart_port port;
/* No additional info for now */
};
#define TXX9_REGION_SIZE 0x24
/* TXX9 Serial Registers */
@ -160,42 +155,42 @@ struct uart_txx9_port {
#define TXX9_SIBGR_BCLK_T6 0x00000300
#define TXX9_SIBGR_BRD_MASK 0x000000ff
static inline unsigned int sio_in(struct uart_txx9_port *up, int offset)
static inline unsigned int sio_in(struct uart_port *up, int offset)
{
switch (up->port.iotype) {
switch (up->iotype) {
default:
return __raw_readl(up->port.membase + offset);
return __raw_readl(up->membase + offset);
case UPIO_PORT:
return inl(up->port.iobase + offset);
return inl(up->iobase + offset);
}
}
static inline void
sio_out(struct uart_txx9_port *up, int offset, int value)
sio_out(struct uart_port *up, int offset, int value)
{
switch (up->port.iotype) {
switch (up->iotype) {
default:
__raw_writel(value, up->port.membase + offset);
__raw_writel(value, up->membase + offset);
break;
case UPIO_PORT:
outl(value, up->port.iobase + offset);
outl(value, up->iobase + offset);
break;
}
}
static inline void
sio_mask(struct uart_txx9_port *up, int offset, unsigned int value)
sio_mask(struct uart_port *up, int offset, unsigned int value)
{
sio_out(up, offset, sio_in(up, offset) & ~value);
}
static inline void
sio_set(struct uart_txx9_port *up, int offset, unsigned int value)
sio_set(struct uart_port *up, int offset, unsigned int value)
{
sio_out(up, offset, sio_in(up, offset) | value);
}
static inline void
sio_quot_set(struct uart_txx9_port *up, int quot)
sio_quot_set(struct uart_port *up, int quot)
{
quot >>= 1;
if (quot < 256)
@ -210,32 +205,23 @@ sio_quot_set(struct uart_txx9_port *up, int quot)
sio_out(up, TXX9_SIBGR, 0xff | TXX9_SIBGR_BCLK_T6);
}
static struct uart_txx9_port *to_uart_txx9_port(struct uart_port *port)
static void serial_txx9_stop_tx(struct uart_port *up)
{
return container_of(port, struct uart_txx9_port, port);
}
static void serial_txx9_stop_tx(struct uart_port *port)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
sio_mask(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
}
static void serial_txx9_start_tx(struct uart_port *port)
static void serial_txx9_start_tx(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
sio_set(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
}
static void serial_txx9_stop_rx(struct uart_port *port)
static void serial_txx9_stop_rx(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
up->port.read_status_mask &= ~TXX9_SIDISR_RDIS;
up->read_status_mask &= ~TXX9_SIDISR_RDIS;
}
static void serial_txx9_initialize(struct uart_port *port)
static void serial_txx9_initialize(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int tmout = 10000;
sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST);
@ -250,15 +236,15 @@ static void serial_txx9_initialize(struct uart_port *port)
/* initial settings */
sio_out(up, TXX9_SILCR,
TXX9_SILCR_UMODE_8BIT | TXX9_SILCR_USBL_1BIT |
((up->port.flags & UPF_TXX9_USE_SCLK) ?
((up->flags & UPF_TXX9_USE_SCLK) ?
TXX9_SILCR_SCS_SCLK_BG : TXX9_SILCR_SCS_IMCLK_BG));
sio_quot_set(up, uart_get_divisor(port, 9600));
sio_quot_set(up, uart_get_divisor(up, 9600));
sio_out(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSTL_MAX /* 15 */);
sio_out(up, TXX9_SIDICR, 0);
}
static inline void
receive_chars(struct uart_txx9_port *up, unsigned int *status)
receive_chars(struct uart_port *up, unsigned int *status)
{
unsigned char ch;
unsigned int disr = *status;
@ -269,11 +255,11 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
do {
ch = sio_in(up, TXX9_SIRFIFO);
flag = TTY_NORMAL;
up->port.icount.rx++;
up->icount.rx++;
/* mask out RFDN_MASK bit added by previous overrun */
next_ignore_status_mask =
up->port.ignore_status_mask & ~TXX9_SIDISR_RFDN_MASK;
up->ignore_status_mask & ~TXX9_SIDISR_RFDN_MASK;
if (unlikely(disr & (TXX9_SIDISR_UBRK | TXX9_SIDISR_UPER |
TXX9_SIDISR_UFER | TXX9_SIDISR_UOER))) {
/*
@ -281,21 +267,21 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
*/
if (disr & TXX9_SIDISR_UBRK) {
disr &= ~(TXX9_SIDISR_UFER | TXX9_SIDISR_UPER);
up->port.icount.brk++;
up->icount.brk++;
/*
* We do the SysRQ and SAK checking
* here because otherwise the break
* may get masked by ignore_status_mask
* or read_status_mask.
*/
if (uart_handle_break(&up->port))
if (uart_handle_break(up))
goto ignore_char;
} else if (disr & TXX9_SIDISR_UPER)
up->port.icount.parity++;
up->icount.parity++;
else if (disr & TXX9_SIDISR_UFER)
up->port.icount.frame++;
up->icount.frame++;
if (disr & TXX9_SIDISR_UOER) {
up->port.icount.overrun++;
up->icount.overrun++;
/*
* The receiver read buffer still hold
* a char which caused overrun.
@ -309,7 +295,7 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
/*
* Mask off conditions which should be ingored.
*/
disr &= up->port.read_status_mask;
disr &= up->read_status_mask;
if (disr & TXX9_SIDISR_UBRK) {
flag = TTY_BREAK;
@ -318,34 +304,34 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
else if (disr & TXX9_SIDISR_UFER)
flag = TTY_FRAME;
}
if (uart_handle_sysrq_char(&up->port, ch))
if (uart_handle_sysrq_char(up, ch))
goto ignore_char;
uart_insert_char(&up->port, disr, TXX9_SIDISR_UOER, ch, flag);
uart_insert_char(up, disr, TXX9_SIDISR_UOER, ch, flag);
ignore_char:
up->port.ignore_status_mask = next_ignore_status_mask;
up->ignore_status_mask = next_ignore_status_mask;
disr = sio_in(up, TXX9_SIDISR);
} while (!(disr & TXX9_SIDISR_UVALID) && (max_count-- > 0));
tty_flip_buffer_push(&up->port.state->port);
tty_flip_buffer_push(&up->state->port);
*status = disr;
}
static inline void transmit_chars(struct uart_txx9_port *up)
static inline void transmit_chars(struct uart_port *up)
{
struct circ_buf *xmit = &up->port.state->xmit;
struct circ_buf *xmit = &up->state->xmit;
int count;
if (up->port.x_char) {
sio_out(up, TXX9_SITFIFO, up->port.x_char);
up->port.icount.tx++;
up->port.x_char = 0;
if (up->x_char) {
sio_out(up, TXX9_SITFIFO, up->x_char);
up->icount.tx++;
up->x_char = 0;
return;
}
if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
serial_txx9_stop_tx(&up->port);
if (uart_circ_empty(xmit) || uart_tx_stopped(up)) {
serial_txx9_stop_tx(up);
return;
}
@ -353,32 +339,32 @@ static inline void transmit_chars(struct uart_txx9_port *up)
do {
sio_out(up, TXX9_SITFIFO, xmit->buf[xmit->tail]);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
up->port.icount.tx++;
up->icount.tx++;
if (uart_circ_empty(xmit))
break;
} while (--count > 0);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&up->port);
uart_write_wakeup(up);
if (uart_circ_empty(xmit))
serial_txx9_stop_tx(&up->port);
serial_txx9_stop_tx(up);
}
static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)
{
int pass_counter = 0;
struct uart_txx9_port *up = dev_id;
struct uart_port *up = dev_id;
unsigned int status;
while (1) {
spin_lock(&up->port.lock);
spin_lock(&up->lock);
status = sio_in(up, TXX9_SIDISR);
if (!(sio_in(up, TXX9_SIDICR) & TXX9_SIDICR_TIE))
status &= ~TXX9_SIDISR_TDIS;
if (!(status & (TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS |
TXX9_SIDISR_TOUT))) {
spin_unlock(&up->port.lock);
spin_unlock(&up->lock);
break;
}
@ -390,7 +376,7 @@ static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)
sio_mask(up, TXX9_SIDISR,
TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS |
TXX9_SIDISR_TOUT);
spin_unlock(&up->port.lock);
spin_unlock(&up->lock);
if (pass_counter++ > PASS_LIMIT)
break;
@ -399,22 +385,20 @@ static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)
return pass_counter ? IRQ_HANDLED : IRQ_NONE;
}
static unsigned int serial_txx9_tx_empty(struct uart_port *port)
static unsigned int serial_txx9_tx_empty(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
unsigned int ret;
spin_lock_irqsave(&up->port.lock, flags);
spin_lock_irqsave(&up->lock, flags);
ret = (sio_in(up, TXX9_SICISR) & TXX9_SICISR_TXALS) ? TIOCSER_TEMT : 0;
spin_unlock_irqrestore(&up->port.lock, flags);
spin_unlock_irqrestore(&up->lock, flags);
return ret;
}
static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
static unsigned int serial_txx9_get_mctrl(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int ret;
/* no modem control lines */
@ -425,9 +409,8 @@ static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
return ret;
}
static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void serial_txx9_set_mctrl(struct uart_port *up, unsigned int mctrl)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
if (mctrl & TIOCM_RTS)
sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSSC);
@ -435,24 +418,23 @@ static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
sio_set(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSSC);
}
static void serial_txx9_break_ctl(struct uart_port *port, int break_state)
static void serial_txx9_break_ctl(struct uart_port *up, int break_state)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
spin_lock_irqsave(&up->lock, flags);
if (break_state == -1)
sio_set(up, TXX9_SIFLCR, TXX9_SIFLCR_TBRK);
else
sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_TBRK);
spin_unlock_irqrestore(&up->port.lock, flags);
spin_unlock_irqrestore(&up->lock, flags);
}
#if defined(CONFIG_SERIAL_TXX9_CONSOLE) || defined(CONFIG_CONSOLE_POLL)
/*
* Wait for transmitter & holding register to empty
*/
static void wait_for_xmitr(struct uart_txx9_port *up)
static void wait_for_xmitr(struct uart_port *up)
{
unsigned int tmout = 10000;
@ -462,7 +444,7 @@ static void wait_for_xmitr(struct uart_txx9_port *up)
udelay(1);
/* Wait up to 1s for flow control if necessary */
if (up->port.flags & UPF_CONS_FLOW) {
if (up->flags & UPF_CONS_FLOW) {
tmout = 1000000;
while (--tmout &&
(sio_in(up, TXX9_SICISR) & TXX9_SICISR_CTSS))
@ -477,11 +459,10 @@ static void wait_for_xmitr(struct uart_txx9_port *up)
* in an interrupt or debug context.
*/
static int serial_txx9_get_poll_char(struct uart_port *port)
static int serial_txx9_get_poll_char(struct uart_port *up)
{
unsigned int ier;
unsigned char c;
struct uart_txx9_port *up = to_uart_txx9_port(port);
/*
* First save the IER then disable the interrupts
@ -504,10 +485,9 @@ static int serial_txx9_get_poll_char(struct uart_port *port)
}
static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
static void serial_txx9_put_poll_char(struct uart_port *up, unsigned char c)
{
unsigned int ier;
struct uart_txx9_port *up = to_uart_txx9_port(port);
/*
* First save the IER then disable the interrupts
@ -531,9 +511,8 @@ static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
#endif /* CONFIG_CONSOLE_POLL */
static int serial_txx9_startup(struct uart_port *port)
static int serial_txx9_startup(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
int retval;
@ -553,7 +532,7 @@ static int serial_txx9_startup(struct uart_port *port)
*/
sio_out(up, TXX9_SIDISR, 0);
retval = request_irq(up->port.irq, serial_txx9_interrupt,
retval = request_irq(up->irq, serial_txx9_interrupt,
IRQF_SHARED, "serial_txx9", up);
if (retval)
return retval;
@ -561,9 +540,9 @@ static int serial_txx9_startup(struct uart_port *port)
/*
* Now, initialize the UART
*/
spin_lock_irqsave(&up->port.lock, flags);
serial_txx9_set_mctrl(&up->port, up->port.mctrl);
spin_unlock_irqrestore(&up->port.lock, flags);
spin_lock_irqsave(&up->lock, flags);
serial_txx9_set_mctrl(up, up->mctrl);
spin_unlock_irqrestore(&up->lock, flags);
/* Enable RX/TX */
sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_RSDE | TXX9_SIFLCR_TSDE);
@ -576,9 +555,8 @@ static int serial_txx9_startup(struct uart_port *port)
return 0;
}
static void serial_txx9_shutdown(struct uart_port *port)
static void serial_txx9_shutdown(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
/*
@ -586,9 +564,9 @@ static void serial_txx9_shutdown(struct uart_port *port)
*/
sio_out(up, TXX9_SIDICR, 0); /* disable all intrs */
spin_lock_irqsave(&up->port.lock, flags);
serial_txx9_set_mctrl(&up->port, up->port.mctrl);
spin_unlock_irqrestore(&up->port.lock, flags);
spin_lock_irqsave(&up->lock, flags);
serial_txx9_set_mctrl(up, up->mctrl);
spin_unlock_irqrestore(&up->lock, flags);
/*
* Disable break condition
@ -596,8 +574,8 @@ static void serial_txx9_shutdown(struct uart_port *port)
sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_TBRK);
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
if (up->port.cons && up->port.line == up->port.cons->index) {
free_irq(up->port.irq, up);
if (up->cons && up->line == up->cons->index) {
free_irq(up->irq, up);
return;
}
#endif
@ -611,14 +589,13 @@ static void serial_txx9_shutdown(struct uart_port *port)
/* Disable RX/TX */
sio_set(up, TXX9_SIFLCR, TXX9_SIFLCR_RSDE | TXX9_SIFLCR_TSDE);
free_irq(up->port.irq, up);
free_irq(up->irq, up);
}
static void
serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
serial_txx9_set_termios(struct uart_port *up, struct ktermios *termios,
struct ktermios *old)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int cval, fcr = 0;
unsigned long flags;
unsigned int baud, quot;
@ -658,8 +635,8 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
/*
* Ask the core to calculate the divisor for us.
*/
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16/2);
quot = uart_get_divisor(port, baud);
baud = uart_get_baud_rate(up, termios, old, 0, up->uartclk/16/2);
quot = uart_get_divisor(up, baud);
/* Set up FIFOs */
/* TX Int by FIFO Empty, RX Int by Receiving 1 char. */
@ -669,45 +646,45 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
* Ok, we're now changing the port state. Do it with
* interrupts disabled.
*/
spin_lock_irqsave(&up->port.lock, flags);
spin_lock_irqsave(&up->lock, flags);
/*
* Update the per-port timeout.
*/
uart_update_timeout(port, termios->c_cflag, baud);
uart_update_timeout(up, termios->c_cflag, baud);
up->port.read_status_mask = TXX9_SIDISR_UOER |
up->read_status_mask = TXX9_SIDISR_UOER |
TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS;
if (termios->c_iflag & INPCK)
up->port.read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER;
up->read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER;
if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
up->port.read_status_mask |= TXX9_SIDISR_UBRK;
up->read_status_mask |= TXX9_SIDISR_UBRK;
/*
* Characteres to ignore
*/
up->port.ignore_status_mask = 0;
up->ignore_status_mask = 0;
if (termios->c_iflag & IGNPAR)
up->port.ignore_status_mask |= TXX9_SIDISR_UPER | TXX9_SIDISR_UFER;
up->ignore_status_mask |= TXX9_SIDISR_UPER | TXX9_SIDISR_UFER;
if (termios->c_iflag & IGNBRK) {
up->port.ignore_status_mask |= TXX9_SIDISR_UBRK;
up->ignore_status_mask |= TXX9_SIDISR_UBRK;
/*
* If we're ignoring parity and break indicators,
* ignore overruns too (for real raw support).
*/
if (termios->c_iflag & IGNPAR)
up->port.ignore_status_mask |= TXX9_SIDISR_UOER;
up->ignore_status_mask |= TXX9_SIDISR_UOER;
}
/*
* ignore all characters if CREAD is not set
*/
if ((termios->c_cflag & CREAD) == 0)
up->port.ignore_status_mask |= TXX9_SIDISR_RDIS;
up->ignore_status_mask |= TXX9_SIDISR_RDIS;
/* CTS flow control flag */
if ((termios->c_cflag & CRTSCTS) &&
(up->port.flags & UPF_TXX9_HAVE_CTS_LINE)) {
(up->flags & UPF_TXX9_HAVE_CTS_LINE)) {
sio_set(up, TXX9_SIFLCR,
TXX9_SIFLCR_RCS | TXX9_SIFLCR_TES);
} else {
@ -719,8 +696,8 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
sio_quot_set(up, quot);
sio_out(up, TXX9_SIFCR, fcr);
serial_txx9_set_mctrl(&up->port, up->port.mctrl);
spin_unlock_irqrestore(&up->port.lock, flags);
serial_txx9_set_mctrl(up, up->mctrl);
spin_unlock_irqrestore(&up->lock, flags);
}
static void
@ -739,76 +716,73 @@ serial_txx9_pm(struct uart_port *port, unsigned int state,
serial_txx9_initialize(port);
}
static int serial_txx9_request_resource(struct uart_txx9_port *up)
static int serial_txx9_request_resource(struct uart_port *up)
{
unsigned int size = TXX9_REGION_SIZE;
int ret = 0;
switch (up->port.iotype) {
switch (up->iotype) {
default:
if (!up->port.mapbase)
if (!up->mapbase)
break;
if (!request_mem_region(up->port.mapbase, size, "serial_txx9")) {
if (!request_mem_region(up->mapbase, size, "serial_txx9")) {
ret = -EBUSY;
break;
}
if (up->port.flags & UPF_IOREMAP) {
up->port.membase = ioremap(up->port.mapbase, size);
if (!up->port.membase) {
release_mem_region(up->port.mapbase, size);
if (up->flags & UPF_IOREMAP) {
up->membase = ioremap(up->mapbase, size);
if (!up->membase) {
release_mem_region(up->mapbase, size);
ret = -ENOMEM;
}
}
break;
case UPIO_PORT:
if (!request_region(up->port.iobase, size, "serial_txx9"))
if (!request_region(up->iobase, size, "serial_txx9"))
ret = -EBUSY;
break;
}
return ret;
}
static void serial_txx9_release_resource(struct uart_txx9_port *up)
static void serial_txx9_release_resource(struct uart_port *up)
{
unsigned int size = TXX9_REGION_SIZE;
switch (up->port.iotype) {
switch (up->iotype) {
default:
if (!up->port.mapbase)
if (!up->mapbase)
break;
if (up->port.flags & UPF_IOREMAP) {
iounmap(up->port.membase);
up->port.membase = NULL;
if (up->flags & UPF_IOREMAP) {
iounmap(up->membase);
up->membase = NULL;
}
release_mem_region(up->port.mapbase, size);
release_mem_region(up->mapbase, size);
break;
case UPIO_PORT:
release_region(up->port.iobase, size);
release_region(up->iobase, size);
break;
}
}
static void serial_txx9_release_port(struct uart_port *port)
static void serial_txx9_release_port(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
serial_txx9_release_resource(up);
}
static int serial_txx9_request_port(struct uart_port *port)
static int serial_txx9_request_port(struct uart_port *up)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
return serial_txx9_request_resource(up);
}
static void serial_txx9_config_port(struct uart_port *port, int uflags)
static void serial_txx9_config_port(struct uart_port *up, int uflags)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
int ret;
/*
@ -818,14 +792,14 @@ static void serial_txx9_config_port(struct uart_port *port, int uflags)
ret = serial_txx9_request_resource(up);
if (ret < 0)
return;
port->type = PORT_TXX9;
up->port.fifosize = TXX9_SIO_TX_FIFO;
up->type = PORT_TXX9;
up->fifosize = TXX9_SIO_TX_FIFO;
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
if (up->port.line == up->port.cons->index)
if (up->line == up->cons->index)
return;
#endif
serial_txx9_initialize(port);
serial_txx9_initialize(up);
}
static const char *
@ -856,7 +830,7 @@ static const struct uart_ops serial_txx9_pops = {
#endif
};
static struct uart_txx9_port serial_txx9_ports[UART_NR];
static struct uart_port serial_txx9_ports[UART_NR];
static void __init serial_txx9_register_ports(struct uart_driver *drv,
struct device *dev)
@ -864,22 +838,20 @@ static void __init serial_txx9_register_ports(struct uart_driver *drv,
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_txx9_port *up = &serial_txx9_ports[i];
struct uart_port *up = &serial_txx9_ports[i];
up->port.line = i;
up->port.ops = &serial_txx9_pops;
up->port.dev = dev;
if (up->port.iobase || up->port.mapbase)
uart_add_one_port(drv, &up->port);
up->line = i;
up->ops = &serial_txx9_pops;
up->dev = dev;
if (up->iobase || up->mapbase)
uart_add_one_port(drv, up);
}
}
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
static void serial_txx9_console_putchar(struct uart_port *port, unsigned char ch)
static void serial_txx9_console_putchar(struct uart_port *up, unsigned char ch)
{
struct uart_txx9_port *up = to_uart_txx9_port(port);
wait_for_xmitr(up);
sio_out(up, TXX9_SITFIFO, ch);
}
@ -893,7 +865,7 @@ static void serial_txx9_console_putchar(struct uart_port *port, unsigned char ch
static void
serial_txx9_console_write(struct console *co, const char *s, unsigned int count)
{
struct uart_txx9_port *up = &serial_txx9_ports[co->index];
struct uart_port *up = &serial_txx9_ports[co->index];
unsigned int ier, flcr;
/*
@ -905,10 +877,10 @@ serial_txx9_console_write(struct console *co, const char *s, unsigned int count)
* Disable flow-control if enabled (and unnecessary)
*/
flcr = sio_in(up, TXX9_SIFLCR);
if (!(up->port.flags & UPF_CONS_FLOW) && (flcr & TXX9_SIFLCR_TES))
if (!(up->flags & UPF_CONS_FLOW) && (flcr & TXX9_SIFLCR_TES))
sio_out(up, TXX9_SIFLCR, flcr & ~TXX9_SIFLCR_TES);
uart_console_write(&up->port, s, count, serial_txx9_console_putchar);
uart_console_write(up, s, count, serial_txx9_console_putchar);
/*
* Finally, wait for transmitter to become empty
@ -921,8 +893,7 @@ serial_txx9_console_write(struct console *co, const char *s, unsigned int count)
static int __init serial_txx9_console_setup(struct console *co, char *options)
{
struct uart_port *port;
struct uart_txx9_port *up;
struct uart_port *up;
int baud = 9600;
int bits = 8;
int parity = 'n';
@ -936,16 +907,15 @@ static int __init serial_txx9_console_setup(struct console *co, char *options)
if (co->index >= UART_NR)
co->index = 0;
up = &serial_txx9_ports[co->index];
port = &up->port;
if (!port->ops)
if (!up->ops)
return -ENODEV;
serial_txx9_initialize(&up->port);
serial_txx9_initialize(up);
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
return uart_set_options(port, co, baud, parity, bits, flow);
return uart_set_options(up, co, baud, parity, bits, flow);
}
static struct uart_driver serial_txx9_reg;
@ -986,9 +956,9 @@ int __init early_serial_txx9_setup(struct uart_port *port)
if (port->line >= ARRAY_SIZE(serial_txx9_ports))
return -ENODEV;
serial_txx9_ports[port->line].port = *port;
serial_txx9_ports[port->line].port.ops = &serial_txx9_pops;
serial_txx9_ports[port->line].port.flags |=
serial_txx9_ports[port->line] = *port;
serial_txx9_ports[port->line].ops = &serial_txx9_pops;
serial_txx9_ports[port->line].flags |=
UPF_BOOT_AUTOCONF | UPF_FIXED_PORT;
return 0;
}
@ -1009,14 +979,14 @@ static DEFINE_MUTEX(serial_txx9_mutex);
static int serial_txx9_register_port(struct uart_port *port)
{
int i;
struct uart_txx9_port *uart;
struct uart_port *uart;
int ret = -ENOSPC;
mutex_lock(&serial_txx9_mutex);
for (i = 0; i < UART_NR; i++) {
uart = &serial_txx9_ports[i];
if (uart_match_port(&uart->port, port)) {
uart_remove_one_port(&serial_txx9_reg, &uart->port);
if (uart_match_port(uart, port)) {
uart_remove_one_port(&serial_txx9_reg, uart);
break;
}
}
@ -1024,24 +994,24 @@ static int serial_txx9_register_port(struct uart_port *port)
/* Find unused port */
for (i = 0; i < UART_NR; i++) {
uart = &serial_txx9_ports[i];
if (!(uart->port.iobase || uart->port.mapbase))
if (!(uart->iobase || uart->mapbase))
break;
}
}
if (i < UART_NR) {
uart->port.iobase = port->iobase;
uart->port.membase = port->membase;
uart->port.irq = port->irq;
uart->port.uartclk = port->uartclk;
uart->port.iotype = port->iotype;
uart->port.flags = port->flags
uart->iobase = port->iobase;
uart->membase = port->membase;
uart->irq = port->irq;
uart->uartclk = port->uartclk;
uart->iotype = port->iotype;
uart->flags = port->flags
| UPF_BOOT_AUTOCONF | UPF_FIXED_PORT;
uart->port.mapbase = port->mapbase;
uart->mapbase = port->mapbase;
if (port->dev)
uart->port.dev = port->dev;
ret = uart_add_one_port(&serial_txx9_reg, &uart->port);
uart->dev = port->dev;
ret = uart_add_one_port(&serial_txx9_reg, uart);
if (ret == 0)
ret = uart->port.line;
ret = uart->line;
}
mutex_unlock(&serial_txx9_mutex);
return ret;
@ -1056,16 +1026,16 @@ static int serial_txx9_register_port(struct uart_port *port)
*/
static void serial_txx9_unregister_port(int line)
{
struct uart_txx9_port *uart = &serial_txx9_ports[line];
struct uart_port *uart = &serial_txx9_ports[line];
mutex_lock(&serial_txx9_mutex);
uart_remove_one_port(&serial_txx9_reg, &uart->port);
uart->port.flags = 0;
uart->port.type = PORT_UNKNOWN;
uart->port.iobase = 0;
uart->port.mapbase = 0;
uart->port.membase = NULL;
uart->port.dev = NULL;
uart_remove_one_port(&serial_txx9_reg, uart);
uart->flags = 0;
uart->type = PORT_UNKNOWN;
uart->iobase = 0;
uart->mapbase = 0;
uart->membase = NULL;
uart->dev = NULL;
mutex_unlock(&serial_txx9_mutex);
}
@ -1108,9 +1078,9 @@ static int serial_txx9_remove(struct platform_device *dev)
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_txx9_port *up = &serial_txx9_ports[i];
struct uart_port *up = &serial_txx9_ports[i];
if (up->port.dev == &dev->dev)
if (up->dev == &dev->dev)
serial_txx9_unregister_port(i);
}
return 0;
@ -1122,10 +1092,10 @@ static int serial_txx9_suspend(struct platform_device *dev, pm_message_t state)
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_txx9_port *up = &serial_txx9_ports[i];
struct uart_port *up = &serial_txx9_ports[i];
if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_suspend_port(&serial_txx9_reg, &up->port);
if (up->type != PORT_UNKNOWN && up->dev == &dev->dev)
uart_suspend_port(&serial_txx9_reg, up);
}
return 0;
@ -1136,10 +1106,10 @@ static int serial_txx9_resume(struct platform_device *dev)
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_txx9_port *up = &serial_txx9_ports[i];
struct uart_port *up = &serial_txx9_ports[i];
if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_resume_port(&serial_txx9_reg, &up->port);
if (up->type != PORT_UNKNOWN && up->dev == &dev->dev)
uart_resume_port(&serial_txx9_reg, up);
}
return 0;
@ -1195,10 +1165,10 @@ pciserial_txx9_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
static void pciserial_txx9_remove_one(struct pci_dev *dev)
{
struct uart_txx9_port *up = pci_get_drvdata(dev);
struct uart_port *up = pci_get_drvdata(dev);
if (up) {
serial_txx9_unregister_port(up->port.line);
serial_txx9_unregister_port(up->line);
pci_disable_device(dev);
}
}
@ -1206,10 +1176,10 @@ static void pciserial_txx9_remove_one(struct pci_dev *dev)
#ifdef CONFIG_PM
static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state)
{
struct uart_txx9_port *up = pci_get_drvdata(dev);
struct uart_port *up = pci_get_drvdata(dev);
if (up)
uart_suspend_port(&serial_txx9_reg, &up->port);
uart_suspend_port(&serial_txx9_reg, up);
pci_save_state(dev);
pci_set_power_state(dev, pci_choose_state(dev, state));
return 0;
@ -1217,12 +1187,12 @@ static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state)
static int pciserial_txx9_resume_one(struct pci_dev *dev)
{
struct uart_txx9_port *up = pci_get_drvdata(dev);
struct uart_port *up = pci_get_drvdata(dev);
pci_set_power_state(dev, PCI_D0);
pci_restore_state(dev);
if (up)
uart_resume_port(&serial_txx9_reg, &up->port);
uart_resume_port(&serial_txx9_reg, up);
return 0;
}
#endif
@ -1302,9 +1272,9 @@ static void __exit serial_txx9_exit(void)
platform_driver_unregister(&serial_txx9_plat_driver);
platform_device_unregister(serial_txx9_plat_devs);
for (i = 0; i < UART_NR; i++) {
struct uart_txx9_port *up = &serial_txx9_ports[i];
if (up->port.iobase || up->port.mapbase)
uart_remove_one_port(&serial_txx9_reg, &up->port);
struct uart_port *up = &serial_txx9_ports[i];
if (up->iobase || up->mapbase)
uart_remove_one_port(&serial_txx9_reg, up);
}
uart_unregister_driver(&serial_txx9_reg);