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authorJiri Slaby <jirislaby@gmail.com>2007-02-10 01:44:55 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:26 -0800
commitb963a8441cb95999c97bea379607071a869c65f0 (patch)
tree111fa0624be52ba830902fac3777febf340cf5e8 /drivers/usb
parent1ed0c0b7306d7c93e83ebe30087a12684b280cdc (diff)
[PATCH] Char: tty_wakeup cleanup
tty_wakeup cleanup - remove wake_up_interruptible(&tty->write_wait) surrounding tty_wakup(tty); - substitute tty->ldisc.write_wakeup(tty) + wake_up() by tty_wakeup(tty); Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/digi_acceleport.c10
-rw-r--r--drivers/usb/serial/keyspan_pda.c7
-rw-r--r--drivers/usb/serial/mos7720.c14
-rw-r--r--drivers/usb/serial/mos7840.c14
4 files changed, 6 insertions, 39 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 0b0fb51bad3..d78692c01cf 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -616,15 +616,7 @@ static void digi_wakeup_write_lock(struct work_struct *work)
static void digi_wakeup_write( struct usb_serial_port *port )
{
-
- struct tty_struct *tty = port->tty;
-
-
- /* wake up port processes */
- wake_up_interruptible( &port->write_wait );
-
- /* wake up line discipline */
- tty_wakeup(tty);
+ tty_wakeup(port->tty);
}
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index da514cb785b..dd0b66a6ed5 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -182,13 +182,8 @@ static void keyspan_pda_wakeup_write(struct work_struct *work)
struct keyspan_pda_private *priv =
container_of(work, struct keyspan_pda_private, wakeup_work);
struct usb_serial_port *port = priv->port;
- struct tty_struct *tty = port->tty;
- /* wake up port processes */
- wake_up_interruptible( &port->write_wait );
-
- /* wake up line discipline */
- tty_wakeup(tty);
+ tty_wakeup(port->tty);
}
static void keyspan_pda_request_unthrottle(struct work_struct *work)
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 6109c6704a7..2d588fb8257 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -269,18 +269,8 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
tty = mos7720_port->port->tty;
- if (tty && mos7720_port->open) {
- /* let the tty driver wakeup if it has a special *
- * write_wakeup function */
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup)
- (tty->ldisc.write_wakeup)(tty);
-
- /* tell the tty driver that something has changed */
- wake_up_interruptible(&tty->write_wait);
- }
-
- /* schedule_work(&mos7720_port->port->work); */
+ if (tty && mos7720_port->open)
+ tty_wakeup(tty);
}
/*
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index b2264a87617..c6cca859af4 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -755,18 +755,8 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
tty = mos7840_port->port->tty;
- if (tty && mos7840_port->open) {
- /* let the tty driver wakeup if it has a special *
- * write_wakeup function */
-
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP))
- && tty->ldisc.write_wakeup) {
- (tty->ldisc.write_wakeup) (tty);
- }
-
- /* tell the tty driver that something has changed */
- wake_up_interruptible(&tty->write_wait);
- }
+ if (tty && mos7840_port->open)
+ tty_wakeup(tty);
}