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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2010-05-04 11:27:05 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-05-04 11:29:05 -0400 |
| commit | 5306293c9cd2caf41849cc909281bda628bb989e (patch) | |
| tree | 3be4e8231e2772c8a43ddbef5c6a72c20b3054bb /drivers/serial/amba-pl010.c | |
| parent | dbd65a7e44fff4741a0b2c84bd6bace85d22c242 (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
| download | lwn-5306293c9cd2caf41849cc909281bda628bb989e.tar.gz lwn-5306293c9cd2caf41849cc909281bda628bb989e.zip | |
Merge commit 'v2.6.34-rc6'
Conflicts:
fs/nfsd/nfs4callback.c
Diffstat (limited to 'drivers/serial/amba-pl010.c')
| -rw-r--r-- | drivers/serial/amba-pl010.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 429a8ae86933..b09a638d051f 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -47,6 +47,7 @@ #include <linux/amba/bus.h> #include <linux/amba/serial.h> #include <linux/clk.h> +#include <linux/slab.h> #include <asm/io.h> @@ -471,6 +472,20 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, spin_unlock_irqrestore(&uap->port.lock, flags); } +static void pl010_set_ldisc(struct uart_port *port) +{ + int line = port->line; + + if (line >= port->state->port.tty->driver->num) + return; + + if (port->state->port.tty->ldisc->ops->num == N_PPS) { + port->flags |= UPF_HARDPPS_CD; + pl010_enable_ms(port); + } else + port->flags &= ~UPF_HARDPPS_CD; +} + static const char *pl010_type(struct uart_port *port) { return port->type == PORT_AMBA ? "AMBA" : NULL; @@ -531,6 +546,7 @@ static struct uart_ops amba_pl010_pops = { .startup = pl010_startup, .shutdown = pl010_shutdown, .set_termios = pl010_set_termios, + .set_ldisc = pl010_set_ldisc, .type = pl010_type, .release_port = pl010_release_port, .request_port = pl010_request_port, |