diff options
Diffstat (limited to 'drivers/tty/serial/sc16is7xx.c')
| -rw-r--r-- | drivers/tty/serial/sc16is7xx.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 13f8d5f70272..025a4264430e 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -196,14 +196,14 @@ * or (IO6) * - only on 75x/76x */ -#define SC16IS7XX_MSR_CTS_BIT (1 << 0) /* CTS */ -#define SC16IS7XX_MSR_DSR_BIT (1 << 1) /* DSR (IO4) +#define SC16IS7XX_MSR_CTS_BIT (1 << 4) /* CTS */ +#define SC16IS7XX_MSR_DSR_BIT (1 << 5) /* DSR (IO4) * - only on 75x/76x */ -#define SC16IS7XX_MSR_RI_BIT (1 << 2) /* RI (IO7) +#define SC16IS7XX_MSR_RI_BIT (1 << 6) /* RI (IO7) * - only on 75x/76x */ -#define SC16IS7XX_MSR_CD_BIT (1 << 3) /* CD (IO6) +#define SC16IS7XX_MSR_CD_BIT (1 << 7) /* CD (IO6) * - only on 75x/76x */ #define SC16IS7XX_MSR_DELTA_MASK 0x0F /* Any of the delta bits! */ @@ -240,7 +240,7 @@ /* IOControl register bits (Only 750/760) */ #define SC16IS7XX_IOCONTROL_LATCH_BIT (1 << 0) /* Enable input latching */ -#define SC16IS7XX_IOCONTROL_GPIO_BIT (1 << 1) /* Enable GPIO[7:4] */ +#define SC16IS7XX_IOCONTROL_MODEM_BIT (1 << 1) /* Enable GPIO[7:4] as modem pins */ #define SC16IS7XX_IOCONTROL_SRESET_BIT (1 << 3) /* Software Reset */ /* EFCR register bits */ @@ -687,7 +687,7 @@ static void sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno) case SC16IS7XX_IIR_CTSRTS_SRC: msr = sc16is7xx_port_read(port, SC16IS7XX_MSR_REG); uart_handle_cts_change(port, - !!(msr & SC16IS7XX_MSR_CTS_BIT)); + !!(msr & SC16IS7XX_MSR_DCTS_BIT)); break; case SC16IS7XX_IIR_THRI_SRC: sc16is7xx_handle_tx(port); @@ -761,12 +761,20 @@ static void sc16is7xx_reg_proc(struct kthread_work *ws) memset(&one->config, 0, sizeof(one->config)); spin_unlock_irqrestore(&one->port.lock, irqflags); - if (config.flags & SC16IS7XX_RECONF_MD) + if (config.flags & SC16IS7XX_RECONF_MD) { sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, SC16IS7XX_MCR_LOOP_BIT, (one->port.mctrl & TIOCM_LOOP) ? SC16IS7XX_MCR_LOOP_BIT : 0); - + sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, + SC16IS7XX_MCR_RTS_BIT, + (one->port.mctrl & TIOCM_RTS) ? + SC16IS7XX_MCR_RTS_BIT : 0); + sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, + SC16IS7XX_MCR_DTR_BIT, + (one->port.mctrl & TIOCM_DTR) ? + SC16IS7XX_MCR_DTR_BIT : 0); + } if (config.flags & SC16IS7XX_RECONF_IER) sc16is7xx_port_update(&one->port, SC16IS7XX_IER_REG, config.ier_clear, 0); |