serial: Add initialization of sampling mode and tx/rx triggers to pci_xr17v35x_setup

Add initialization of sampling mode and tx/rx triggers to pci_xr17v35x_setup
Signed-off-by: Matt Schulte <matts@commtech-fastcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/8250/8250_pci.c

@@ -1192,6 +1192,10 @@ pci_xr17v35x_setup(struct serial_private *priv,
 		writeb(0x00, p + 0x99); /*MPIOSEL[15:8]*/
 		writeb(0x00, p + 0x9a); /*MPIOOD[15:8]*/
 	}
+	writeb(0x00, p + UART_EXAR_8XMODE);
+	writeb(UART_FCTR_EXAR_TRGD, p + UART_EXAR_FCTR);
+	writeb(128, p + UART_EXAR_TXTRG);
+	writeb(128, p + UART_EXAR_RXTRG);
 	iounmap(p);
 
 	return pci_default_setup(priv, board, port, idx);