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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 22:27:19 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 22:27:19 -0400 |
| commit | 39c853ebfe169f187a760b34f9cbf54751bfce00 (patch) | |
| tree | 2a5a741d0cff7d4f90998b31b32ff80cfccd0369 /drivers/tty/serial/fsl_lpuart.c | |
| parent | fdc81f45e9f57858da6351836507fbcf1b7583ee (diff) | |
| parent | 01e97e6517053d7c0b9af5248e944a9209909cf5 (diff) | |
| download | linux-39c853ebfe169f187a760b34f9cbf54751bfce00.tar.bz2 | |
Merge branch 'for-davem' into for-next
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index b1893f3f88f1..3ad1458bfeb0 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -921,6 +921,9 @@ static void lpuart_setup_watermark(struct lpuart_port *sport) writeb(val | UARTPFIFO_TXFE | UARTPFIFO_RXFE, sport->port.membase + UARTPFIFO); + /* explicitly clear RDRF */ + readb(sport->port.membase + UARTSR1); + /* flush Tx and Rx FIFO */ writeb(UARTCFIFO_TXFLUSH | UARTCFIFO_RXFLUSH, sport->port.membase + UARTCFIFO); @@ -1076,6 +1079,8 @@ static int lpuart_startup(struct uart_port *port) sport->txfifo_size = 0x1 << (((temp >> UARTPFIFO_TXSIZE_OFF) & UARTPFIFO_FIFOSIZE_MASK) + 1); + sport->port.fifosize = sport->txfifo_size; + sport->rxfifo_size = 0x1 << (((temp >> UARTPFIFO_RXSIZE_OFF) & UARTPFIFO_FIFOSIZE_MASK) + 1); |