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yaml
---
r: 338428
b: refs/heads/master
c: 0174e5c
h: refs/heads/master
v: v3
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Teppei Kamijou authored and Greg Kroah-Hartman committed Nov 16, 2012
1 parent f027220 commit 7ef4aff
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Showing 2 changed files with 17 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 00cadbfd1e73fb9951da7d2358c39b561c017ea3
refs/heads/master: 0174e5ca82ba6bd62ab870e5781b72bd5397f1c3
27 changes: 16 additions & 11 deletions trunk/drivers/tty/serial/sh-sci.c
Original file line number Diff line number Diff line change
Expand Up @@ -1747,8 +1747,6 @@ static int sci_startup(struct uart_port *port)

dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);

sci_port_enable(s);

ret = sci_request_irq(s);
if (unlikely(ret < 0))
return ret;
Expand All @@ -1772,8 +1770,6 @@ static void sci_shutdown(struct uart_port *port)

sci_free_dma(port);
sci_free_irq(s);

sci_port_disable(s);
}

static unsigned int sci_scbrr_calc(unsigned int algo_id, unsigned int bps,
Expand Down Expand Up @@ -1922,6 +1918,21 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
sci_port_disable(s);
}

static void sci_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)
{
struct sci_port *sci_port = to_sci_port(port);

switch (state) {
case 3:
sci_port_disable(sci_port);
break;
default:
sci_port_enable(sci_port);
break;
}
}

static const char *sci_type(struct uart_port *port)
{
switch (port->type) {
Expand Down Expand Up @@ -2043,6 +2054,7 @@ static struct uart_ops sci_uart_ops = {
.startup = sci_startup,
.shutdown = sci_shutdown,
.set_termios = sci_set_termios,
.pm = sci_pm,
.type = sci_type,
.release_port = sci_release_port,
.request_port = sci_request_port,
Expand Down Expand Up @@ -2196,16 +2208,12 @@ static void serial_console_write(struct console *co, const char *s,
struct uart_port *port = &sci_port->port;
unsigned short bits;

sci_port_enable(sci_port);

uart_console_write(port, s, count, serial_console_putchar);

/* wait until fifo is empty and last bit has been transmitted */
bits = SCxSR_TDxE(port) | SCxSR_TEND(port);
while ((serial_port_in(port, SCxSR) & bits) != bits)
cpu_relax();

sci_port_disable(sci_port);
}

static int __devinit serial_console_setup(struct console *co, char *options)
Expand Down Expand Up @@ -2237,12 +2245,9 @@ static int __devinit serial_console_setup(struct console *co, char *options)
if (unlikely(ret != 0))
return ret;

sci_port_enable(sci_port);

if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);

/* TODO: disable clock */
return uart_set_options(port, co, baud, parity, bits, flow);
}

Expand Down

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