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serial: 8250_dma: TX optimisation
authorHeikki Krogerus <heikki.krogerus@linux.intel.com>
Wed, 16 Jan 2013 12:08:14 +0000 (14:08 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Jan 2013 15:36:10 +0000 (07:36 -0800)
Remove one useless wakeup, and do not use DMA with zero byte
transfers.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_dma.c patch | blob | history

diff --cc drivers/tty/serial/8250/8250_dma.c
Simple merge
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