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tty: serial: men_z135_uart: Wakeup UART after transmitting
authorJohannes Thumshirn <johannes.thumshirn@men.de>
Mon, 16 Jun 2014 05:33:38 +0000 (07:33 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2014 00:35:42 +0000 (17:35 -0700)
Call uart_write_wakeup() after writing the hardware FIFO and updateing the FIFO
pointers.

This fixes high latency and jitter on PPP over Serial links.

Reported-by: Jun Shih <Jun.Shih@pason.com>
Tested-by: Jun Shih <Jun.Shih@pason.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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