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path: root/drivers/tty/serial/sc16is7xx.c
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Diffstat (limited to 'drivers/tty/serial/sc16is7xx.c')
-rw-r--r--drivers/tty/serial/sc16is7xx.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index e6393619405a..f36e6df2fa90 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -666,7 +666,7 @@ static void sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno)
struct uart_port *port = &s->p[portno].port;
do {
- unsigned int iir, msr, rxlen;
+ unsigned int iir, rxlen;
iir = sc16is7xx_port_read(port, SC16IS7XX_IIR_REG);
if (iir & SC16IS7XX_IIR_NO_INT_BIT)
@@ -683,12 +683,6 @@ static void sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno)
if (rxlen)
sc16is7xx_handle_rx(port, rxlen, iir);
break;
-
- case SC16IS7XX_IIR_CTSRTS_SRC:
- msr = sc16is7xx_port_read(port, SC16IS7XX_MSR_REG);
- uart_handle_cts_change(port,
- !!(msr & SC16IS7XX_MSR_DCTS_BIT));
- break;
case SC16IS7XX_IIR_THRI_SRC:
sc16is7xx_handle_tx(port);
break;
@@ -1014,9 +1008,8 @@ static int sc16is7xx_startup(struct uart_port *port)
SC16IS7XX_EFCR_TXDISABLE_BIT,
0);
- /* Enable RX, TX, CTS change interrupts */
- val = SC16IS7XX_IER_RDI_BIT | SC16IS7XX_IER_THRI_BIT |
- SC16IS7XX_IER_CTSI_BIT;
+ /* Enable RX, TX interrupts */
+ val = SC16IS7XX_IER_RDI_BIT | SC16IS7XX_IER_THRI_BIT;
sc16is7xx_port_write(port, SC16IS7XX_IER_REG, val);
return 0;