serial: sh-sci: use serial_port_in/out vs sci_in/out.
Follows the 8250 change for pretty much the same rationale. See commit "serial: use serial_port_in/out vs serial_in/out in 8250". Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
parent
f52b69f86e
commit
b12bb29f84
2 changed files with 86 additions and 89 deletions
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@ -355,9 +355,6 @@ static void sci_serial_out(struct uart_port *p, int offset, int value)
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WARN(1, "Invalid register access\n");
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}
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#define sci_in(up, offset) (up->serial_in(up, offset))
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#define sci_out(up, offset, value) (up->serial_out(up, offset, value))
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static int sci_probe_regmap(struct plat_sci_port *cfg)
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{
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switch (cfg->type) {
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@ -422,9 +419,9 @@ static int sci_poll_get_char(struct uart_port *port)
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int c;
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do {
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status = sci_in(port, SCxSR);
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status = serial_port_in(port, SCxSR);
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if (status & SCxSR_ERRORS(port)) {
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sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
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serial_port_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
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continue;
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}
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break;
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@ -433,11 +430,11 @@ static int sci_poll_get_char(struct uart_port *port)
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if (!(status & SCxSR_RDxF(port)))
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return NO_POLL_CHAR;
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c = sci_in(port, SCxRDR);
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c = serial_port_in(port, SCxRDR);
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/* Dummy read */
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sci_in(port, SCxSR);
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sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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serial_port_in(port, SCxSR);
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serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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return c;
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}
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@ -448,11 +445,11 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c)
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unsigned short status;
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do {
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status = sci_in(port, SCxSR);
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status = serial_port_in(port, SCxSR);
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} while (!(status & SCxSR_TDxE(port)));
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sci_out(port, SCxTDR, c);
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sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port));
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serial_port_out(port, SCxTDR, c);
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serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port));
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}
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#endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */
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@ -480,10 +477,10 @@ static void sci_init_pins(struct uart_port *port, unsigned int cflag)
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((!(cflag & CRTSCTS)))) {
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unsigned short status;
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status = sci_in(port, SCSPTR);
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status = serial_port_in(port, SCSPTR);
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status &= ~SCSPTR_CTSIO;
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status |= SCSPTR_RTSIO;
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sci_out(port, SCSPTR, status); /* Set RTS = 1 */
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serial_port_out(port, SCSPTR, status); /* Set RTS = 1 */
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}
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}
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@ -493,13 +490,13 @@ static int sci_txfill(struct uart_port *port)
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reg = sci_getreg(port, SCTFDR);
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if (reg->size)
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return sci_in(port, SCTFDR) & 0xff;
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return serial_port_in(port, SCTFDR) & 0xff;
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reg = sci_getreg(port, SCFDR);
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if (reg->size)
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return sci_in(port, SCFDR) >> 8;
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return serial_port_in(port, SCFDR) >> 8;
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return !(sci_in(port, SCxSR) & SCI_TDRE);
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return !(serial_port_in(port, SCxSR) & SCI_TDRE);
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}
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static int sci_txroom(struct uart_port *port)
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@ -513,13 +510,13 @@ static int sci_rxfill(struct uart_port *port)
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reg = sci_getreg(port, SCRFDR);
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if (reg->size)
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return sci_in(port, SCRFDR) & 0xff;
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return serial_port_in(port, SCRFDR) & 0xff;
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reg = sci_getreg(port, SCFDR);
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if (reg->size)
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return sci_in(port, SCFDR) & ((port->fifosize << 1) - 1);
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return serial_port_in(port, SCFDR) & ((port->fifosize << 1) - 1);
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return (sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
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return (serial_port_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
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}
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/*
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@ -547,14 +544,14 @@ static void sci_transmit_chars(struct uart_port *port)
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unsigned short ctrl;
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int count;
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status = sci_in(port, SCxSR);
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status = serial_port_in(port, SCxSR);
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if (!(status & SCxSR_TDxE(port))) {
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ctrl = sci_in(port, SCSCR);
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ctrl = serial_port_in(port, SCSCR);
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if (uart_circ_empty(xmit))
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ctrl &= ~SCSCR_TIE;
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else
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ctrl |= SCSCR_TIE;
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sci_out(port, SCSCR, ctrl);
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serial_port_out(port, SCSCR, ctrl);
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return;
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}
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@ -573,27 +570,27 @@ static void sci_transmit_chars(struct uart_port *port)
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break;
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}
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sci_out(port, SCxTDR, c);
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serial_port_out(port, SCxTDR, c);
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port->icount.tx++;
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} while (--count > 0);
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sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
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serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
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if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
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uart_write_wakeup(port);
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if (uart_circ_empty(xmit)) {
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sci_stop_tx(port);
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} else {
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ctrl = sci_in(port, SCSCR);
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ctrl = serial_port_in(port, SCSCR);
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if (port->type != PORT_SCI) {
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sci_in(port, SCxSR); /* Dummy read */
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sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
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serial_port_in(port, SCxSR); /* Dummy read */
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serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
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}
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ctrl |= SCSCR_TIE;
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sci_out(port, SCSCR, ctrl);
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serial_port_out(port, SCSCR, ctrl);
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}
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}
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@ -608,7 +605,7 @@ static void sci_receive_chars(struct uart_port *port)
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unsigned short status;
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unsigned char flag;
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status = sci_in(port, SCxSR);
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status = serial_port_in(port, SCxSR);
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if (!(status & SCxSR_RDxF(port)))
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return;
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@ -621,7 +618,7 @@ static void sci_receive_chars(struct uart_port *port)
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break;
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if (port->type == PORT_SCI) {
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char c = sci_in(port, SCxRDR);
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char c = serial_port_in(port, SCxRDR);
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if (uart_handle_sysrq_char(port, c) ||
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sci_port->break_flag)
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count = 0;
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@ -629,9 +626,9 @@ static void sci_receive_chars(struct uart_port *port)
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tty_insert_flip_char(tty, c, TTY_NORMAL);
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} else {
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for (i = 0; i < count; i++) {
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char c = sci_in(port, SCxRDR);
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char c = serial_port_in(port, SCxRDR);
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status = sci_in(port, SCxSR);
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status = serial_port_in(port, SCxSR);
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#if defined(CONFIG_CPU_SH3)
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/* Skip "chars" during break */
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if (sci_port->break_flag) {
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@ -672,8 +669,8 @@ static void sci_receive_chars(struct uart_port *port)
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}
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}
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sci_in(port, SCxSR); /* dummy read */
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sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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serial_port_in(port, SCxSR); /* dummy read */
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serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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copied += count;
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port->icount.rx += count;
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@ -683,8 +680,8 @@ static void sci_receive_chars(struct uart_port *port)
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/* Tell the rest of the system the news. New characters! */
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tty_flip_buffer_push(tty);
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} else {
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sci_in(port, SCxSR); /* dummy read */
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sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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serial_port_in(port, SCxSR); /* dummy read */
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serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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}
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}
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@ -726,7 +723,7 @@ static void sci_break_timer(unsigned long data)
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static int sci_handle_errors(struct uart_port *port)
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{
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int copied = 0;
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unsigned short status = sci_in(port, SCxSR);
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unsigned short status = serial_port_in(port, SCxSR);
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struct tty_struct *tty = port->state->port.tty;
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struct sci_port *s = to_sci_port(port);
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@ -804,8 +801,8 @@ static int sci_handle_fifo_overrun(struct uart_port *port)
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if (!reg->size)
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return 0;
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if ((sci_in(port, SCLSR) & (1 << s->cfg->overrun_bit))) {
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sci_out(port, SCLSR, 0);
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if ((serial_port_in(port, SCLSR) & (1 << s->cfg->overrun_bit))) {
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serial_port_out(port, SCLSR, 0);
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port->icount.overrun++;
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@ -822,7 +819,7 @@ static int sci_handle_fifo_overrun(struct uart_port *port)
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static int sci_handle_breaks(struct uart_port *port)
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{
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int copied = 0;
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unsigned short status = sci_in(port, SCxSR);
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unsigned short status = serial_port_in(port, SCxSR);
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struct tty_struct *tty = port->state->port.tty;
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struct sci_port *s = to_sci_port(port);
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@ -859,8 +856,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
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struct sci_port *s = to_sci_port(port);
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if (s->chan_rx) {
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u16 scr = sci_in(port, SCSCR);
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u16 ssr = sci_in(port, SCxSR);
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u16 scr = serial_port_in(port, SCSCR);
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u16 ssr = serial_port_in(port, SCxSR);
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/* Disable future Rx interrupts */
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
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@ -869,9 +866,9 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
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} else {
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scr &= ~SCSCR_RIE;
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}
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sci_out(port, SCSCR, scr);
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serial_port_out(port, SCSCR, scr);
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/* Clear current interrupt */
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sci_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port)));
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serial_port_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port)));
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dev_dbg(port->dev, "Rx IRQ %lu: setup t-out in %u jiffies\n",
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jiffies, s->rx_timeout);
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mod_timer(&s->rx_timer, jiffies + s->rx_timeout);
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@ -909,15 +906,15 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
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if (port->type == PORT_SCI) {
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if (sci_handle_errors(port)) {
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/* discard character in rx buffer */
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sci_in(port, SCxSR);
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sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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serial_port_in(port, SCxSR);
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serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
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}
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} else {
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sci_handle_fifo_overrun(port);
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sci_rx_interrupt(irq, ptr);
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}
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sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
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serial_port_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
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/* Kick the transmission */
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sci_tx_interrupt(irq, ptr);
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@ -931,7 +928,7 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
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/* Handle BREAKs */
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sci_handle_breaks(port);
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sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port));
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serial_port_out(port, SCxSR, SCxSR_BREAK_CLEAR(port));
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return IRQ_HANDLED;
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}
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@ -955,8 +952,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
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struct sci_port *s = to_sci_port(port);
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irqreturn_t ret = IRQ_NONE;
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ssr_status = sci_in(port, SCxSR);
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scr_status = sci_in(port, SCSCR);
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ssr_status = serial_port_in(port, SCxSR);
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scr_status = serial_port_in(port, SCSCR);
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err_enabled = scr_status & port_rx_irq_mask(port);
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/* Tx Interrupt */
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@ -1170,7 +1167,7 @@ static void sci_free_gpios(struct sci_port *port)
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static unsigned int sci_tx_empty(struct uart_port *port)
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{
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unsigned short status = sci_in(port, SCxSR);
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unsigned short status = serial_port_in(port, SCxSR);
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unsigned short in_tx_fifo = sci_txfill(port);
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return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0;
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@ -1198,7 +1195,7 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
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*/
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reg = sci_getreg(port, SCFCR);
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if (reg->size)
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sci_out(port, SCFCR, sci_in(port, SCFCR) | 1);
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serial_port_out(port, SCFCR, serial_port_in(port, SCFCR) | 1);
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}
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}
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@ -1240,8 +1237,8 @@ static void sci_dma_tx_complete(void *arg)
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} else {
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s->cookie_tx = -EINVAL;
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
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u16 ctrl = sci_in(port, SCSCR);
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sci_out(port, SCSCR, ctrl & ~SCSCR_TIE);
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u16 ctrl = serial_port_in(port, SCSCR);
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serial_port_out(port, SCSCR, ctrl & ~SCSCR_TIE);
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}
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}
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@ -1494,13 +1491,13 @@ static void sci_start_tx(struct uart_port *port)
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#ifdef CONFIG_SERIAL_SH_SCI_DMA
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
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u16 new, scr = sci_in(port, SCSCR);
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u16 new, scr = serial_port_in(port, SCSCR);
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if (s->chan_tx)
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new = scr | 0x8000;
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else
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new = scr & ~0x8000;
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if (new != scr)
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sci_out(port, SCSCR, new);
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serial_port_out(port, SCSCR, new);
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}
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if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&
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@ -1512,8 +1509,8 @@ static void sci_start_tx(struct uart_port *port)
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if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
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/* Set TIE (Transmit Interrupt Enable) bit in SCSCR */
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ctrl = sci_in(port, SCSCR);
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sci_out(port, SCSCR, ctrl | SCSCR_TIE);
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ctrl = serial_port_in(port, SCSCR);
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serial_port_out(port, SCSCR, ctrl | SCSCR_TIE);
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}
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}
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@ -1522,40 +1519,40 @@ static void sci_stop_tx(struct uart_port *port)
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unsigned short ctrl;
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/* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */
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ctrl = sci_in(port, SCSCR);
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ctrl = serial_port_in(port, SCSCR);
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
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ctrl &= ~0x8000;
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ctrl &= ~SCSCR_TIE;
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sci_out(port, SCSCR, ctrl);
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serial_port_out(port, SCSCR, ctrl);
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}
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static void sci_start_rx(struct uart_port *port)
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{
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unsigned short ctrl;
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ctrl = sci_in(port, SCSCR) | port_rx_irq_mask(port);
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ctrl = serial_port_in(port, SCSCR) | port_rx_irq_mask(port);
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
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ctrl &= ~0x4000;
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sci_out(port, SCSCR, ctrl);
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serial_port_out(port, SCSCR, ctrl);
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}
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static void sci_stop_rx(struct uart_port *port)
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{
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unsigned short ctrl;
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ctrl = sci_in(port, SCSCR);
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ctrl = serial_port_in(port, SCSCR);
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if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
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ctrl &= ~0x4000;
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ctrl &= ~port_rx_irq_mask(port);
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sci_out(port, SCSCR, ctrl);
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serial_port_out(port, SCSCR, ctrl);
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}
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static void sci_enable_ms(struct uart_port *port)
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@ -1589,13 +1586,13 @@ static void rx_timer_fn(unsigned long arg)
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{
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struct sci_port *s = (struct sci_port *)arg;
|
||||
struct uart_port *port = &s->port;
|
||||
u16 scr = sci_in(port, SCSCR);
|
||||
u16 scr = serial_port_in(port, SCSCR);
|
||||
|
||||
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
|
||||
scr &= ~0x4000;
|
||||
enable_irq(s->cfg->irqs[1]);
|
||||
}
|
||||
sci_out(port, SCSCR, scr | SCSCR_RIE);
|
||||
serial_port_out(port, SCSCR, scr | SCSCR_RIE);
|
||||
dev_dbg(port->dev, "DMA Rx timed out\n");
|
||||
schedule_work(&s->work_rx);
|
||||
}
|
||||
|
|
@ -1776,14 +1773,14 @@ static void sci_reset(struct uart_port *port)
|
|||
unsigned int status;
|
||||
|
||||
do {
|
||||
status = sci_in(port, SCxSR);
|
||||
status = serial_port_in(port, SCxSR);
|
||||
} while (!(status & SCxSR_TEND(port)));
|
||||
|
||||
sci_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */
|
||||
serial_port_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */
|
||||
|
||||
reg = sci_getreg(port, SCFCR);
|
||||
if (reg->size)
|
||||
sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
|
||||
serial_port_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
|
||||
}
|
||||
|
||||
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
|
||||
|
|
@ -1812,7 +1809,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
|
|||
|
||||
sci_reset(port);
|
||||
|
||||
smr_val = sci_in(port, SCSMR) & 3;
|
||||
smr_val = serial_port_in(port, SCSMR) & 3;
|
||||
|
||||
if ((termios->c_cflag & CSIZE) == CS7)
|
||||
smr_val |= 0x40;
|
||||
|
|
@ -1825,19 +1822,19 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
|
|||
|
||||
uart_update_timeout(port, termios->c_cflag, baud);
|
||||
|
||||
sci_out(port, SCSMR, smr_val);
|
||||
serial_port_out(port, SCSMR, smr_val);
|
||||
|
||||
dev_dbg(port->dev, "%s: SMR %x, t %x, SCSCR %x\n", __func__, smr_val, t,
|
||||
s->cfg->scscr);
|
||||
|
||||
if (t > 0) {
|
||||
if (t >= 256) {
|
||||
sci_out(port, SCSMR, (sci_in(port, SCSMR) & ~3) | 1);
|
||||
serial_port_out(port, SCSMR, (serial_port_in(port, SCSMR) & ~3) | 1);
|
||||
t >>= 2;
|
||||
} else
|
||||
sci_out(port, SCSMR, sci_in(port, SCSMR) & ~3);
|
||||
serial_port_out(port, SCSMR, serial_port_in(port, SCSMR) & ~3);
|
||||
|
||||
sci_out(port, SCBRR, t);
|
||||
serial_port_out(port, SCBRR, t);
|
||||
udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
|
||||
}
|
||||
|
||||
|
|
@ -1845,7 +1842,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
|
|||
|
||||
reg = sci_getreg(port, SCFCR);
|
||||
if (reg->size) {
|
||||
unsigned short ctrl = sci_in(port, SCFCR);
|
||||
unsigned short ctrl = serial_port_in(port, SCFCR);
|
||||
|
||||
if (s->cfg->capabilities & SCIx_HAVE_RTSCTS) {
|
||||
if (termios->c_cflag & CRTSCTS)
|
||||
|
|
@ -1861,10 +1858,10 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
|
|||
*/
|
||||
ctrl &= ~(SCFCR_RFRST | SCFCR_TFRST);
|
||||
|
||||
sci_out(port, SCFCR, ctrl);
|
||||
serial_port_out(port, SCFCR, ctrl);
|
||||
}
|
||||
|
||||
sci_out(port, SCSCR, s->cfg->scscr);
|
||||
serial_port_out(port, SCSCR, s->cfg->scscr);
|
||||
|
||||
#ifdef CONFIG_SERIAL_SH_SCI_DMA
|
||||
/*
|
||||
|
|
@ -2166,7 +2163,7 @@ static void serial_console_write(struct console *co, const char *s,
|
|||
|
||||
/* wait until fifo is empty and last bit has been transmitted */
|
||||
bits = SCxSR_TDxE(port) | SCxSR_TEND(port);
|
||||
while ((sci_in(port, SCxSR) & bits) != bits)
|
||||
while ((serial_port_in(port, SCxSR) & bits) != bits)
|
||||
cpu_relax();
|
||||
|
||||
sci_port_disable(sci_port);
|
||||
|
|
@ -2260,12 +2257,12 @@ static int sci_runtime_suspend(struct device *dev)
|
|||
if (uart_console(port)) {
|
||||
struct plat_sci_reg *reg;
|
||||
|
||||
sci_port->saved_smr = sci_in(port, SCSMR);
|
||||
sci_port->saved_brr = sci_in(port, SCBRR);
|
||||
sci_port->saved_smr = serial_port_in(port, SCSMR);
|
||||
sci_port->saved_brr = serial_port_in(port, SCBRR);
|
||||
|
||||
reg = sci_getreg(port, SCFCR);
|
||||
if (reg->size)
|
||||
sci_port->saved_fcr = sci_in(port, SCFCR);
|
||||
sci_port->saved_fcr = serial_port_in(port, SCFCR);
|
||||
else
|
||||
sci_port->saved_fcr = 0;
|
||||
}
|
||||
|
|
@ -2279,13 +2276,13 @@ static int sci_runtime_resume(struct device *dev)
|
|||
|
||||
if (uart_console(port)) {
|
||||
sci_reset(port);
|
||||
sci_out(port, SCSMR, sci_port->saved_smr);
|
||||
sci_out(port, SCBRR, sci_port->saved_brr);
|
||||
serial_port_out(port, SCSMR, sci_port->saved_smr);
|
||||
serial_port_out(port, SCBRR, sci_port->saved_brr);
|
||||
|
||||
if (sci_port->saved_fcr)
|
||||
sci_out(port, SCFCR, sci_port->saved_fcr);
|
||||
serial_port_out(port, SCFCR, sci_port->saved_fcr);
|
||||
|
||||
sci_out(port, SCSCR, sci_port->cfg->scscr);
|
||||
serial_port_out(port, SCSCR, sci_port->cfg->scscr);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,10 +20,10 @@
|
|||
defined(CONFIG_ARCH_SH7372) || \
|
||||
defined(CONFIG_ARCH_R8A7740)
|
||||
|
||||
# define SCxSR_RDxF_CLEAR(port) (sci_in(port, SCxSR) & 0xfffc)
|
||||
# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
|
||||
# define SCxSR_TDxE_CLEAR(port) (sci_in(port, SCxSR) & 0xffdf)
|
||||
# define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3)
|
||||
# define SCxSR_RDxF_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfffc)
|
||||
# define SCxSR_ERROR_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfd73)
|
||||
# define SCxSR_TDxE_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffdf)
|
||||
# define SCxSR_BREAK_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffe3)
|
||||
#else
|
||||
# define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
|
||||
# define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
|
||||
|
|
|
|||
Loading…
Reference in a new issue