In datasheet, Modem Status Register MSR[4-5] reflect the modem pins CTS/DSR/RI/CD signal state. Signed-off-by: Wills Wang <wills.wang@xxxxxxxx> --- drivers/tty/serial/sc16is7xx.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index edb5305..9d18c24 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 */ @@ -674,7 +674,7 @@ 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); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
