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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/amiserial.c
+2 -3
View File
@@ -251,7 +251,6 @@ static void receive_chars(struct serial_state *info)
{
int status;
int serdatr;
struct tty_struct *tty = info->tport.tty;
unsigned char ch, flag;
struct async_icount *icount;
int oe = 0;
@@ -314,7 +313,7 @@ static void receive_chars(struct serial_state *info)
#endif
flag = TTY_BREAK;
if (info->tport.flags & ASYNC_SAK)
do_SAK(tty);
do_SAK(info->tport.tty);
} else if (status & UART_LSR_PE)
flag = TTY_PARITY;
else if (status & UART_LSR_FE)
@@ -331,7 +330,7 @@ static void receive_chars(struct serial_state *info)
tty_insert_flip_char(&info->tport, ch, flag);
if (oe == 1)
tty_insert_flip_char(&info->tport, 0, TTY_OVERRUN);
tty_flip_buffer_push(tty);
tty_flip_buffer_push(&info->tport);
out:
return;
}