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Subject[2.6 patch] drivers/char/tty_io.c: misc cleanups (fwd)
The patch forwarded below still applies and compiles against 
2.6.10-rc3-mm1.

Please apply.


----- Forwarded message from Adrian Bunk <bunk@stusta.de> -----
Date: Sun, 5 Dec 2004 18:23:23 +0100
From: Adrian Bunk <bunk@stusta.de>
To: linux-kernel@vger.kernel.org
Subject: [2.6 patch] drivers/char/tty_io.c: misc cleanups

The patch below contains the following cleanups:
- remove the unused global function tty_push_data
- make some needlessly global functions static


diffstat output:
drivers/char/tty_io.c | 28 +++-------------------------
1 files changed, 3 insertions(+), 25 deletions(-)

Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.10-rc1-mm3-full/drivers/char/tty_io.c.old 2004-11-07 01:25:45.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/char/tty_io.c 2004-11-07 01:28:36.000000000 +0100
@@ -327,7 +327,7 @@

EXPORT_SYMBOL_GPL(tty_ldisc_put);

-void tty_ldisc_assign(struct tty_struct *tty, struct tty_ldisc *ld)
+static void tty_ldisc_assign(struct tty_struct *tty, struct tty_ldisc *ld)
{
tty->ldisc = *ld;
tty->ldisc.refcount = 0;
@@ -583,7 +583,7 @@
/*
* This routine returns a tty driver structure, given a device number
*/
-struct tty_driver *get_tty_driver(dev_t device, int *index)
+static struct tty_driver *get_tty_driver(dev_t device, int *index)
{
struct tty_driver *p;

@@ -744,7 +744,7 @@
* but doesn't hold any locks, so we need to make sure we have the appropriate
* locks for what we're doing..
*/
-void do_tty_hangup(void *data)
+static void do_tty_hangup(void *data)
{
struct tty_struct *tty = (struct tty_struct *) data;
struct file * cons_filp = NULL;
@@ -2504,28 +2504,6 @@
}

/*
- * Call the ldisc flush directly from a driver. This function may
- * return an error and need retrying by the user.
- */
-
-int tty_push_data(struct tty_struct *tty, unsigned char *cp, unsigned char *fp, int count)
-{
- int ret = 0;
- struct tty_ldisc *disc;
-
- disc = tty_ldisc_ref(tty);
- if(test_bit(TTY_DONT_FLIP, &tty->flags))
- ret = -EAGAIN;
- else if(disc == NULL)
- ret = -EIO;
- else
- disc->receive_buf(tty, cp, fp, count);
- tty_ldisc_deref(disc);
- return ret;
-
-}
-
-/*
* Routine which returns the baud rate of the tty
*
* Note that the baud_table needs to be kept in sync with the
-
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