summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/tty/serial/mxs-auart.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 0296c1c3b70e..907c3e521906 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -143,7 +143,6 @@ struct mxs_auart_port {
#define MXS_AUART_DMA_RX_READY 3 /* bit 3 */
#define MXS_AUART_RTSCTS 4 /* bit 4 */
unsigned long flags;
- unsigned int ctrl;
enum mxs_auart_type devtype;
unsigned int irq;
@@ -406,8 +405,6 @@ static void mxs_auart_release_port(struct uart_port *u)
static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl)
{
- struct mxs_auart_port *s = to_auart_port(u);
-
u32 ctrl = readl(u->membase + AUART_CTRL2);
ctrl &= ~(AUART_CTRL2_RTSEN | AUART_CTRL2_RTS);
@@ -418,24 +415,17 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl)
ctrl |= AUART_CTRL2_RTS;
}
- s->ctrl = mctrl;
writel(ctrl, u->membase + AUART_CTRL2);
}
static u32 mxs_auart_get_mctrl(struct uart_port *u)
{
- struct mxs_auart_port *s = to_auart_port(u);
u32 stat = readl(u->membase + AUART_STAT);
- int ctrl2 = readl(u->membase + AUART_CTRL2);
- u32 mctrl = s->ctrl;
+ u32 mctrl = 0;
- mctrl &= ~TIOCM_CTS;
if (stat & AUART_STAT_CTS)
mctrl |= TIOCM_CTS;
- if (ctrl2 & AUART_CTRL2_RTS)
- mctrl |= TIOCM_RTS;
-
return mctrl;
}
@@ -1071,8 +1061,6 @@ static int mxs_auart_probe(struct platform_device *pdev)
s->port.type = PORT_IMX;
s->port.dev = s->dev = &pdev->dev;
- s->ctrl = 0;
-
s->irq = platform_get_irq(pdev, 0);
s->port.irq = s->irq;
ret = request_irq(s->irq, mxs_auart_irq_handle, 0, dev_name(&pdev->dev), s);