diff options
Diffstat (limited to 'drivers/tty/serial/amba-pl010.c')
| -rw-r--r-- | drivers/tty/serial/amba-pl010.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 0d91a540bf1..971af1e22d0 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -116,7 +116,6 @@ static void pl010_enable_ms(struct uart_port *port) static void pl010_rx_chars(struct uart_amba_port *uap) { - struct tty_struct *tty = uap->port.state->port.tty; unsigned int status, ch, flag, rsr, max_count = 256; status = readb(uap->port.membase + UART01x_FR); @@ -165,7 +164,7 @@ static void pl010_rx_chars(struct uart_amba_port *uap) status = readb(uap->port.membase + UART01x_FR); } spin_unlock(&uap->port.lock); - tty_flip_buffer_push(tty); + tty_flip_buffer_push(&uap->port.state->port); spin_lock(&uap->port.lock); } @@ -312,16 +311,12 @@ static int pl010_startup(struct uart_port *port) struct uart_amba_port *uap = (struct uart_amba_port *)port; int retval; - retval = clk_prepare(uap->clk); - if (retval) - goto out; - /* * Try to enable the clock producer. */ - retval = clk_enable(uap->clk); + retval = clk_prepare_enable(uap->clk); if (retval) - goto clk_unprep; + goto out; uap->port.uartclk = clk_get_rate(uap->clk); @@ -346,9 +341,7 @@ static int pl010_startup(struct uart_port *port) return 0; clk_dis: - clk_disable(uap->clk); - clk_unprep: - clk_unprepare(uap->clk); + clk_disable_unprepare(uap->clk); out: return retval; } @@ -375,8 +368,7 @@ static void pl010_shutdown(struct uart_port *port) /* * Shut down the clock producer */ - clk_disable(uap->clk); - clk_unprepare(uap->clk); + clk_disable_unprepare(uap->clk); } static void @@ -428,7 +420,7 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, uap->port.read_status_mask = UART01x_RSR_OE; if (termios->c_iflag & INPCK) uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uap->port.read_status_mask |= UART01x_RSR_BE; /* @@ -729,14 +721,13 @@ static int pl010_probe(struct amba_device *dev, const struct amba_id *id) uap->port.flags = UPF_BOOT_AUTOCONF; uap->port.line = i; uap->dev = dev; - uap->data = dev->dev.platform_data; + uap->data = dev_get_platdata(&dev->dev); amba_ports[i] = uap; amba_set_drvdata(dev, uap); ret = uart_add_one_port(&amba_reg, &uap->port); if (ret) { - amba_set_drvdata(dev, NULL); amba_ports[i] = NULL; clk_put(uap->clk); unmap: @@ -753,8 +744,6 @@ static int pl010_remove(struct amba_device *dev) struct uart_amba_port *uap = amba_get_drvdata(dev); int i; - amba_set_drvdata(dev, NULL); - uart_remove_one_port(&amba_reg, &uap->port); for (i = 0; i < ARRAY_SIZE(amba_ports); i++) @@ -767,9 +756,10 @@ static int pl010_remove(struct amba_device *dev) return 0; } -static int pl010_suspend(struct amba_device *dev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int pl010_suspend(struct device *dev) { - struct uart_amba_port *uap = amba_get_drvdata(dev); + struct uart_amba_port *uap = dev_get_drvdata(dev); if (uap) uart_suspend_port(&amba_reg, &uap->port); @@ -777,15 +767,18 @@ static int pl010_suspend(struct amba_device *dev, pm_message_t state) return 0; } -static int pl010_resume(struct amba_device *dev) +static int pl010_resume(struct device *dev) { - struct uart_amba_port *uap = amba_get_drvdata(dev); + struct uart_amba_port *uap = dev_get_drvdata(dev); if (uap) uart_resume_port(&amba_reg, &uap->port); return 0; } +#endif + +static SIMPLE_DEV_PM_OPS(pl010_dev_pm_ops, pl010_suspend, pl010_resume); static struct amba_id pl010_ids[] = { { @@ -800,12 +793,11 @@ MODULE_DEVICE_TABLE(amba, pl010_ids); static struct amba_driver pl010_driver = { .drv = { .name = "uart-pl010", + .pm = &pl010_dev_pm_ops, }, .id_table = pl010_ids, .probe = pl010_probe, .remove = pl010_remove, - .suspend = pl010_suspend, - .resume = pl010_resume, }; static int __init pl010_init(void) |