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tty: Introduce a tty_port generic block_til_ready

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Start sucking more commonality out of the drivers into a single piece of
core code.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2009-01-02 13:46:10 +00:00
committed by Linus Torvalds
parent 3b6826b250
commit 36c621d82b
7 changed files with 115 additions and 235 deletions
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6
drivers/char/vme_scc.c
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@@ -631,8 +631,8 @@ static void scc_enable_rx_interrupts(void *ptr)
static int scc_carrier_raised(struct tty_port *port)
{
struct scc_port *scc = container_of(port, struct scc_port, gs.port);
unsigned channel = port->channel;
struct scc_port *sc = container_of(port, struct scc_port, gs.port);
unsigned channel = sc->channel;
return !!(scc_last_status_reg[channel] & SR_DCD);
}
@@ -643,7 +643,7 @@ static void scc_shutdown_port(void *ptr)
struct scc_port *port = ptr;
port->gs.port.flags &= ~ GS_ACTIVE;
if (port->gs.port.tty && port->gs.port.tty->termios->c_cflag & HUPCL) {
if (port->gs.port.tty && (port->gs.port.tty->termios->c_cflag & HUPCL)) {
scc_setsignals (port, 0, 0);
}
}