diff options
Diffstat (limited to 'drivers/tty/serial/8250/8250_omap.c')
-rw-r--r-- | drivers/tty/serial/8250/8250_omap.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 2d42f485c987..6942990a333c 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -933,7 +933,7 @@ static void __dma_rx_do_complete(struct uart_8250_port *p) if (priv->habit & UART_HAS_RHR_IT_DIS) { reg = serial_in(p, UART_OMAP_IER2); reg &= ~UART_OMAP_IER2_RHR_IT_DIS; - serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); + serial_out(p, UART_OMAP_IER2, reg); } dmaengine_tx_status(rxchan, cookie, &state); @@ -1079,7 +1079,7 @@ static int omap_8250_rx_dma(struct uart_8250_port *p) if (priv->habit & UART_HAS_RHR_IT_DIS) { reg = serial_in(p, UART_OMAP_IER2); reg |= UART_OMAP_IER2_RHR_IT_DIS; - serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); + serial_out(p, UART_OMAP_IER2, reg); } dma_async_issue_pending(dma->rxchan); @@ -1298,10 +1298,12 @@ static int omap_8250_dma_handle_irq(struct uart_port *port) status = serial_port_in(port, UART_LSR); - if (priv->habit & UART_HAS_EFR2) - am654_8250_handle_rx_dma(up, iir, status); - else - status = omap_8250_handle_rx_dma(up, iir, status); + if ((iir & 0x3f) != UART_IIR_THRI) { + if (priv->habit & UART_HAS_EFR2) + am654_8250_handle_rx_dma(up, iir, status); + else + status = omap_8250_handle_rx_dma(up, iir, status); + } serial8250_modem_status(up); if (status & UART_LSR_THRE && up->dma->tx_err) { @@ -1584,7 +1586,7 @@ err: return ret; } -static int omap8250_remove(struct platform_device *pdev) +static void omap8250_remove(struct platform_device *pdev) { struct omap8250_priv *priv = platform_get_drvdata(pdev); struct uart_8250_port *up; @@ -1592,7 +1594,7 @@ static int omap8250_remove(struct platform_device *pdev) err = pm_runtime_resume_and_get(&pdev->dev); if (err) - return err; + dev_err(&pdev->dev, "Failed to resume hardware\n"); up = serial8250_get_port(priv->line); omap_8250_shutdown(&up->port); @@ -1604,7 +1606,6 @@ static int omap8250_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); cpu_latency_qos_remove_request(&priv->pm_qos_request); device_init_wakeup(&pdev->dev, false); - return 0; } static int omap8250_prepare(struct device *dev) @@ -1863,7 +1864,7 @@ static struct platform_driver omap8250_platform_driver = { .of_match_table = omap8250_dt_ids, }, .probe = omap8250_probe, - .remove = omap8250_remove, + .remove_new = omap8250_remove, }; module_platform_driver(omap8250_platform_driver); |