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Subject[PATCH v2 3/6] serial: imx: remove CTSC and CTS handling
Date
From: Nandor Han <nandor.han@ge.com>

CTSC and CTS are not related to DMA and might add
disruption in some cases.

Signed-off-by: Romain Perier <romain.perier@collabora.com>
---
drivers/tty/serial/imx.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 5291b86..dd3ebb4 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1249,11 +1249,6 @@ static void imx_disable_dma(struct imx_port *sport)
imx_stop_rx_dma(sport);
imx_stop_tx_dma(sport);

- /* clear UCR2 */
- temp = readl(sport->port.membase + UCR2);
- temp &= ~(UCR2_CTSC | UCR2_CTS | UCR2_ATEN);
- writel(temp, sport->port.membase + UCR2);
-
imx_setup_ufcr(sport, TXTL_DEFAULT, RXTL_DEFAULT);

sport->dma_is_enabled = 0;
--
1.8.3.1
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