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/openbmc/linux/drivers/tty/serial/8250/
H A D8250_dma.cdiff 5ea5b24da80322b8136cb000a7340cdc29a3d6dc Wed Apr 10 08:58:24 CDT 2013 Heikki Krogerus <heikki.krogerus@linux.intel.com> serial: 8250_dma: TX cleanup

Removing one unneeded uart_write_wakeup(). There is no need
to start PIO transfer unless DMA fails, so this also changes
serial8250_tx_dma() to return 0 unless that is the case.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>