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serial: sh-sci: Kill off per-port enable/disable callbacks. 

Ultimately we want everything to be going through the clock framework and
runtime pm, so kill off the per-port callbacks that enabled ports to
bypass the common infrastructure.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2011-06-28 13:55:31 +09:00
parent 7f405f9c31
commit 23241d43ea
1 changed files with 32 additions and 47 deletions
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79
drivers/tty/serial/sh-sci.c
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@ -62,12 +62,6 @@ struct sci_port {
/* Platform configuration */
struct plat_sci_port *cfg;
/* Port enable callback */
void (*enable)(struct uart_port *port);
/* Port disable callback */
void (*disable)(struct uart_port *port);
/* Break timer */
struct timer_list break_timer;
int break_flag;
@ -366,6 +360,29 @@ static int sci_probe_regmap(struct plat_sci_port *cfg)
return 0;
}
static void sci_port_enable(struct sci_port *sci_port)
{
if (!sci_port->port.dev)
return;
pm_runtime_get_sync(sci_port->port.dev);
clk_enable(sci_port->iclk);
sci_port->port.uartclk = clk_get_rate(sci_port->iclk);
clk_enable(sci_port->fclk);
}
static void sci_port_disable(struct sci_port *sci_port)
{
if (!sci_port->port.dev)
return;
clk_disable(sci_port->fclk);
clk_disable(sci_port->iclk);
pm_runtime_put_sync(sci_port->port.dev);
}
#if defined(CONFIG_CONSOLE_POLL) || defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
#ifdef CONFIG_CONSOLE_POLL
@ -651,8 +668,7 @@ static void sci_break_timer(unsigned long data)
{
struct sci_port *port = (struct sci_port *)data;
if (port->enable)
port->enable(&port->port);
sci_port_enable(port);
if (sci_rxd_in(&port->port) == 0) {
port->break_flag = 1;
@ -664,8 +680,7 @@ static void sci_break_timer(unsigned long data)
} else
port->break_flag = 0;
if (port->disable)
port->disable(&port->port);
sci_port_disable(port);
}
static int sci_handle_errors(struct uart_port *port)
@ -939,27 +954,6 @@ static int sci_notifier(struct notifier_block *self,
return NOTIFY_OK;
}
static void sci_clk_enable(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
pm_runtime_get_sync(port->dev);
clk_enable(sci_port->iclk);
sci_port->port.uartclk = clk_get_rate(sci_port->iclk);
clk_enable(sci_port->fclk);
}
static void sci_clk_disable(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
clk_disable(sci_port->fclk);
clk_disable(sci_port->iclk);
pm_runtime_put_sync(port->dev);
}
static int sci_request_irq(struct sci_port *port)
{
int i;
@ -1537,8 +1531,7 @@ static int sci_startup(struct uart_port *port)
dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
if (s->enable)
s->enable(port);
sci_port_enable(s);
ret = sci_request_irq(s);
if (unlikely(ret < 0))
@ -1564,8 +1557,7 @@ static void sci_shutdown(struct uart_port *port)
sci_free_dma(port);
sci_free_irq(s);
if (s->disable)
s->disable(port);
sci_port_disable(s);
}
static unsigned int sci_scbrr_calc(unsigned int algo_id, unsigned int bps,
@ -1612,8 +1604,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
if (likely(baud && port->uartclk))
t = sci_scbrr_calc(s->cfg->scbrr_algo_id, baud, port->uartclk);
if (s->enable)
s->enable(port);
sci_port_enable(s);
do {
status = sci_in(port, SCxSR);
@ -1683,8 +1674,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
if ((termios->c_cflag & CREAD) != 0)
sci_start_rx(port);
if (s->disable)
s->disable(port);
sci_port_disable(s);
}
static const char *sci_type(struct uart_port *port)
@ -1870,8 +1860,6 @@ static int __devinit sci_init_single(struct platform_device *dev,
if (IS_ERR(sci_port->fclk))
sci_port->fclk = NULL;
sci_port->enable = sci_clk_enable;
sci_port->disable = sci_clk_disable;
port->dev = &dev->dev;
pm_runtime_enable(&dev->dev);
@ -1950,8 +1938,7 @@ static void serial_console_write(struct console *co, const char *s,
struct uart_port *port = &sci_port->port;
unsigned short bits;
if (sci_port->enable)
sci_port->enable(port);
sci_port_enable(sci_port);
uart_console_write(port, s, count, serial_console_putchar);
@ -1960,8 +1947,7 @@ static void serial_console_write(struct console *co, const char *s,
while ((sci_in(port, SCxSR) & bits) != bits)
cpu_relax();
if (sci_port->disable)
sci_port->disable(port);
sci_port_disable(sci_port);
}
static int __devinit serial_console_setup(struct console *co, char *options)
@ -1993,8 +1979,7 @@ static int __devinit serial_console_setup(struct console *co, char *options)
if (unlikely(ret != 0))
return ret;
if (sci_port->enable)
sci_port->enable(port);
sci_port_enable(sci_port);
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);