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authorJiri Slaby <jslaby@suse.cz>2013-01-03 15:53:06 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-15 22:30:15 -0800
commit2e124b4a390ca85325fae75764bef92f0547fa25 (patch)
tree5519fbcdbe954e79b271ea6d31ac5a4dc754c4f5 /drivers/tty/serial/dz.c
parentd6c53c0e9bd0a83f9f9ddbc9fd80141a54d83896 (diff)
TTY: switch tty_flip_buffer_push
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>
Diffstat (limited to 'drivers/tty/serial/dz.c')
-rw-r--r--drivers/tty/serial/dz.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 6491b8644a7f..2f2b2e538a54 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -187,7 +187,6 @@ static inline void dz_receive_chars(struct dz_mux *mux)
{
struct uart_port *uport;
struct dz_port *dport = &mux->dport[0];
- struct tty_struct *tty = NULL;
struct uart_icount *icount;
int lines_rx[DZ_NB_PORT] = { [0 ... DZ_NB_PORT - 1] = 0 };
unsigned char ch, flag;
@@ -197,7 +196,6 @@ static inline void dz_receive_chars(struct dz_mux *mux)
while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) {
dport = &mux->dport[LINE(status)];
uport = &dport->port;
- tty = uport->state->port.tty; /* point to the proper dev */
ch = UCHAR(status); /* grab the char */
flag = TTY_NORMAL;
@@ -249,7 +247,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
}
for (i = 0; i < DZ_NB_PORT; i++)
if (lines_rx[i])
- tty_flip_buffer_push(mux->dport[i].port.state->port.tty);
+ tty_flip_buffer_push(&mux->dport[i].port.state->port);
}
/*