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TTY: switch tty_flip_buffer_push

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Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

Now, the one where most of tty_port_tty_get gets removed:
tty_flip_buffer_push.

IOW we also closed all the races in drivers not using tty_port_tty_get
at all yet.

Also we move tty_flip_buffer_push declaration from include/linux/tty.h
to include/linux/tty_flip.h to all others while we are changing it
anyway.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby
2013-01-03 15:53:06 +01:00
committed by Greg Kroah-Hartman
parent d6c53c0e9b
commit 2e124b4a39
146 changed files with 446 additions and 988 deletions
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drivers/tty/serial/netx-serial.c
+1 -3
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@@ -199,7 +199,6 @@ static void netx_txint(struct uart_port *port)
static void netx_rxint(struct uart_port *port)
{
unsigned char rx, flg, status;
struct tty_struct *tty = port->state->port.tty;
while (!(readl(port->membase + UART_FR) & FR_RXFE)) {
rx = readl(port->membase + UART_DR);
@@ -237,8 +236,7 @@ static void netx_rxint(struct uart_port *port)
uart_insert_char(port, status, SR_OE, rx, flg);
}
tty_flip_buffer_push(tty);
return;
tty_flip_buffer_push(&port->state->port);
}
static irqreturn_t netx_int(int irq, void *dev_id)