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serial: arc_uart: Use uart_circ_empty() for open-coded comparison
authorPeter Hurley <peter@hurleysoftware.com>
Sun, 6 Jul 2014 15:29:53 +0000 (11:29 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2014 23:31:34 +0000 (16:31 -0700)
Replace open-coded test for empty tx ring buffer with equivalent
helper function, uart_circ_empty(). No functional change.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

No differences found
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