dev_dbg(sport->port.dev, "we finish the TX DMA.\n");
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(&sport->port);
+ uart_write_wakeup(&sport->port);
if (waitqueue_active(&sport->dma_wait)) {
wake_up(&sport->dma_wait);
if (readl(sport->port.membase + UCR2) & UCR2_CTS)
tmp |= TIOCM_RTS;
+ if (readl(sport->port.membase + uts_reg(sport)) & UTS_LOOP)
+ tmp |= TIOCM_LOOP;
+
return tmp;
}
temp |= UCR2_CTS;
writel(temp, sport->port.membase + UCR2);
+
+ temp = readl(sport->port.membase + uts_reg(sport)) & ~UTS_LOOP;
+ if (mctrl & TIOCM_LOOP)
+ temp |= UTS_LOOP;
+ writel(temp, sport->port.membase + uts_reg(sport));
}
/*
return sport->port.type == PORT_IMX ? "IMX" : NULL;
}
-/*
- * Release the memory region(s) being used by 'port'.
- */
-static void imx_release_port(struct uart_port *port)
-{
- struct platform_device *pdev = to_platform_device(port->dev);
- struct resource *mmres;
-
- mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mmres->start, resource_size(mmres));
-}
-
-/*
- * Request the memory region(s) being used by 'port'.
- */
-static int imx_request_port(struct uart_port *port)
-{
- struct platform_device *pdev = to_platform_device(port->dev);
- struct resource *mmres;
- void *ret;
-
- mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mmres)
- return -ENODEV;
-
- ret = request_mem_region(mmres->start, resource_size(mmres), "imx-uart");
-
- return ret ? 0 : -EBUSY;
-}
-
/*
* Configure/autoconfigure the port.
*/
{
struct imx_port *sport = (struct imx_port *)port;
- if (flags & UART_CONFIG_TYPE &&
- imx_request_port(&sport->port) == 0)
+ if (flags & UART_CONFIG_TYPE)
sport->port.type = PORT_IMX;
}
.flush_buffer = imx_flush_buffer,
.set_termios = imx_set_termios,
.type = imx_type,
- .release_port = imx_release_port,
- .request_port = imx_request_port,
.config_port = imx_config_port,
.verify_port = imx_verify_port,
#if defined(CONFIG_CONSOLE_POLL)
return ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENODEV;
-
- base = devm_ioremap(&pdev->dev, res->start, PAGE_SIZE);
- if (!base)
- return -ENOMEM;
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
sport->port.dev = &pdev->dev;
sport->port.mapbase = res->start;