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Subject[PATCH tty-next 4/5] tty: Remove tty_prepare_flip_string_flags()
Date
There is no in-tree user of tty_prepare_flip_string_flags(); remove.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
drivers/tty/tty_buffer.c | 28 ----------------------------
include/linux/tty_flip.h | 2 --
2 files changed, 30 deletions(-)

diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index e8f22f8..6a3620e 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -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)
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 2da8bc2..3f821e9 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -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);

--
1.8.1.2


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