diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tty_io.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 98b126c2ded..6f58cacec34 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -351,10 +351,10 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size) spin_unlock_irqrestore(&tty->buf.lock, flags); return size; } - EXPORT_SYMBOL_GPL(tty_buffer_request_room); -int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size) +int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, + size_t size) { int copied = 0; do { @@ -368,17 +368,16 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, s tb->used += space; copied += space; chars += space; -/* printk("Flip insert %d.\n", space); */ } /* There is a small chance that we need to split the data over several buffers. If this is the case we must loop */ while (unlikely(size > copied)); return copied; } - EXPORT_SYMBOL(tty_insert_flip_string); -int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size) +int tty_insert_flip_string_flags(struct tty_struct *tty, + const unsigned char *chars, const char *flags, size_t size) { int copied = 0; do { @@ -399,9 +398,20 @@ int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *ch while (unlikely(size > copied)); return copied; } - EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags); +void tty_schedule_flip(struct tty_struct *tty) +{ + unsigned long flags; + spin_lock_irqsave(&tty->buf.lock, flags); + if (tty->buf.tail != NULL) { + tty->buf.tail->active = 0; + tty->buf.tail->commit = tty->buf.tail->used; + } + spin_unlock_irqrestore(&tty->buf.lock, flags); + schedule_delayed_work(&tty->buf.work, 1); +} +EXPORT_SYMBOL(tty_schedule_flip); /* * Prepare a block of space in the buffer for data. Returns the length |