On Maw, 2005-11-15 at 15:38 -0600, V. Ananda Krishnan wrote:
> tty_insert_flip_string_flags() API? When I looked into the
> implementation of the tty_insert_flip_string_flags API in tty_io.c, I
> was little confused.
The flags buffer is used to hold the state of each character. Its
usually TTY_NORMAL and is set to TTY_NORMAL by the functions not taking
a flag value. It serves the same task as the flag buffer in the old
tty_flip.
> Also, can any one explain me the function of the free queue head in the
> struct tty_bufhead?
Private to the tty layer pointer to allow small buffers as used with
byte at a time uarts to be recycled not freed/allocated
Alan
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