TTY: serial, use tty_port_close_start helper

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After the previous patches, the code is almost identical. There are
few differences in the helper code:
1) flush_buffer when flow_stopped
   * when a user doesn't care about the data, delete it anyways
2) ASYNCB_INITIALIZED test before wait_until_sent_from
   * obviously, there is nothing to wait for if the port is dead
3) drain_delay wait
   * we don't set drain_delay

So we can use the helper now. It indeed removes a bunch of duplicated
code.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Jiri Slaby 2011-11-09 21:33:46 +01:00 • committed by Greg Kroah-Hartman

parent 4cb0fbfdc8

commit d30ccf08e8

1 changed files with 1 additions and 39 deletions

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drivers/tty/serial/serial_core.c

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