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| author | Johan Hovold <johan@kernel.org> | 2015-03-04 10:39:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-07 03:44:14 +0100 |
| commit | 6b270fd4db08fc13683d616a733d9cacdd3b4afa (patch) | |
| tree | 478e4033a4572db2d662fe37641bc05293cab921 /drivers | |
| parent | 2c3fbe3cf28fbd7001545a92a83b4f8acfd9fa36 (diff) | |
| download | linux-6b270fd4db08fc13683d616a733d9cacdd3b4afa.tar.gz | |
TTY: bfin_jtag_comm: remove incorrect wait_until_sent operation
Remove incorrect and redundant wait_until_sent operation, which waits for the driver buffer rather than any hardware buffers to drain, something which is already taken care of by the tty layer (and chars_in_buffer). Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/bfin_jtag_comm.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c index d7b198c400c7..ce24182f8514 100644 --- a/drivers/tty/bfin_jtag_comm.c +++ b/drivers/tty/bfin_jtag_comm.c @@ -210,18 +210,6 @@ bfin_jc_chars_in_buffer(struct tty_struct *tty) return circ_cnt(&bfin_jc_write_buf); } -static void -bfin_jc_wait_until_sent(struct tty_struct *tty, int timeout) -{ - unsigned long expire = jiffies + timeout; - while (!circ_empty(&bfin_jc_write_buf)) { - if (signal_pending(current)) - break; - if (time_after(jiffies, expire)) - break; - } -} - static const struct tty_operations bfin_jc_ops = { .open = bfin_jc_open, .close = bfin_jc_close, @@ -230,7 +218,6 @@ static const struct tty_operations bfin_jc_ops = { .flush_chars = bfin_jc_flush_chars, .write_room = bfin_jc_write_room, .chars_in_buffer = bfin_jc_chars_in_buffer, - .wait_until_sent = bfin_jc_wait_until_sent, }; static int __init bfin_jc_init(void) |