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tty: Remove tty_prepare_flip_string_flags()

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There is no in-tree user of tty_prepare_flip_string_flags(); remove.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-11-22 12:09:57 -05:00 committed by Greg Kroah-Hartman
parent 5dda4ca558
commit 7e1e71d154
2 changed files with 0 additions and 30 deletions
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28
drivers/tty/tty_buffer.c
View File

@ -373,34 +373,6 @@ int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
}
EXPORT_SYMBOL_GPL(tty_prepare_flip_string);
/**
* tty_prepare_flip_string_flags - make room for characters
* @port: tty port
* @chars: return pointer for character write area
* @flags: return pointer for status flag write area
* @size: desired size
*
* Prepare a block of space in the buffer for data. Returns the length
* available and buffer pointer to the space which is now allocated and
* accounted for as ready for characters. This is used for drivers
* that need their own block copy routines into the buffer. There is no
* guarantee the buffer is a DMA target!
*/
int tty_prepare_flip_string_flags(struct tty_port *port,
unsigned char **chars, char **flags, size_t size)
{
int space = tty_buffer_request_room(port, size);
if (likely(space)) {
struct tty_buffer *tb = port->buf.tail;
*chars = char_buf_ptr(tb, tb->used);
*flags = flag_buf_ptr(tb, tb->used);
tb->used += space;
}
return space;
}
EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags);
static int
receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)

2
include/linux/tty_flip.h
View File

@ -10,8 +10,6 @@ extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
const unsigned char *chars, char flag, size_t size);
extern int tty_prepare_flip_string(struct tty_port *port,
unsigned char **chars, size_t size);
extern int tty_prepare_flip_string_flags(struct tty_port *port,
unsigned char **chars, char **flags, size_t size);
extern void tty_flip_buffer_push(struct tty_port *port);
void tty_schedule_flip(struct tty_port *port);