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serial: jsm: Replace magic value with the proper define

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The changed function flushes the tx UART and the '4' corresponds to the
UART_FCR_CLEAR_XMIT value. This commit replaces the magic number with
this define.

Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Konrad Zapalowicz 2014-11-09 02:22:19 +01:00 committed by Greg Kroah-Hartman
parent 245ae51cec
commit 5b05e2cbf5
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/jsm/jsm_neo.c
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@ -644,7 +644,7 @@ static void neo_flush_uart_write(struct jsm_channel *ch)
/* Check to see if the UART feels it completely flushed the FIFO. */
tmp = readb(&ch->ch_neo_uart->isr_fcr);
if (tmp & 4) {
if (tmp & UART_FCR_CLEAR_XMIT) {
jsm_dbg(IOCTL, &ch->ch_bd->pci_dev,
"Still flushing TX UART... i: %d\n", i);
udelay(10);