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serial: 8250: Allow probe drivers to ignore tx_loadsz 

In most cases the tx_loadsz is the same as fifosize. This
will store the fifosize in it if it was not separately
delivered from the driver.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Heikki Krogerus 2013-03-25 13:34:44 +02:00 committed by Greg Kroah-Hartman
parent 2be818a116
commit 6a3f45dccf
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/8250/8250.c
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@ -3247,6 +3247,10 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
uart->tx_loadsz = up->tx_loadsz;
uart->capabilities = up->capabilities;
/* Take tx_loadsz from fifosize if it wasn't set separately */
if (uart->port.fifosize && !uart->tx_loadsz)
uart->tx_loadsz = uart->port.fifosize;
if (up->port.dev)
uart->port.dev = up->port.dev;