serial: 8250: 8250_omap: Clear UART_HAS_RHR_IT_DIS bit

[platform/kernel/linux-starfive.git] / drivers / tty / serial / 8250 / 8250_omap.c

diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index ca972fd..c7ab296 100644 (file)
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -914,7 +914,7 @@ 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);
@@ -1060,7 +1060,7 @@ 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);