diff options
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index dd573d8ce087..42a5edd1e0f9 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1291,18 +1291,13 @@ static void imx_uart_enable_dma(struct imx_port *sport) static void imx_uart_disable_dma(struct imx_port *sport) { - u32 ucr1, ucr2; + u32 ucr1; /* clear UCR1 */ ucr1 = imx_uart_readl(sport, UCR1); ucr1 &= ~(UCR1_RXDMAEN | UCR1_TXDMAEN | UCR1_ATDMAEN); imx_uart_writel(sport, ucr1, UCR1); - /* clear UCR2 */ - ucr2 = imx_uart_readl(sport, UCR2); - ucr2 &= ~(UCR2_CTSC | UCR2_CTS | UCR2_ATEN); - imx_uart_writel(sport, ucr2, UCR2); - imx_uart_setup_ufcr(sport, TXTL_DEFAULT, RXTL_DEFAULT); sport->dma_is_enabled = 0; @@ -1447,7 +1442,7 @@ static void imx_uart_shutdown(struct uart_port *port) spin_lock_irqsave(&sport->port.lock, flags); ucr2 = imx_uart_readl(sport, UCR2); - ucr2 &= ~(UCR2_TXEN | UCR2_ATEN); + ucr2 &= ~(UCR2_TXEN | UCR2_CTSC | UCR2_CTS | UCR2_ATEN); imx_uart_writel(sport, ucr2, UCR2); spin_unlock_irqrestore(&sport->port.lock, flags); |