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| author | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
| commit | 14e42917216ab0859827c2d8024df45a917301b4 (patch) | |
| tree | efbea5d1c54387d62a6fd66a21560232cf312fda /drivers/tty/serial/mxs-auart.c | |
| parent | 292f2b6254c9dbb98def6d3521b07a837545ead0 (diff) | |
| parent | 4266274836e81575ee82498d84f4bd08ab7a7378 (diff) | |
| download | linux-fsl-qoriq-14e42917216ab0859827c2d8024df45a917301b4.tar.xz | |
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 2e341b8..3a667ee 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -73,6 +73,7 @@ #define AUART_CTRL0_CLKGATE (1 << 30) #define AUART_CTRL2_CTSEN (1 << 15) +#define AUART_CTRL2_RTSEN (1 << 14) #define AUART_CTRL2_RTS (1 << 11) #define AUART_CTRL2_RXE (1 << 9) #define AUART_CTRL2_TXE (1 << 8) @@ -259,9 +260,12 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl) u32 ctrl = readl(u->membase + AUART_CTRL2); - ctrl &= ~AUART_CTRL2_RTS; - if (mctrl & TIOCM_RTS) - ctrl |= AUART_CTRL2_RTS; + ctrl &= ~AUART_CTRL2_RTSEN; + if (mctrl & TIOCM_RTS) { + if (u->state->port.flags & ASYNC_CTS_FLOW) + ctrl |= AUART_CTRL2_RTSEN; + } + s->ctrl = mctrl; writel(ctrl, u->membase + AUART_CTRL2); } @@ -359,9 +363,9 @@ static void mxs_auart_settermios(struct uart_port *u, /* figure out the hardware flow control settings */ if (cflag & CRTSCTS) - ctrl2 |= AUART_CTRL2_CTSEN; + ctrl2 |= AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN; else - ctrl2 &= ~AUART_CTRL2_CTSEN; + ctrl2 &= ~(AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN); /* set baud rate */ baud = uart_get_baud_rate(u, termios, old, 0, u->uartclk); |