Commit b7313f1d authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by Greg Kroah-Hartman
Browse files

serial: ucc_uart: Use uart_circ_empty() 



Use uart_circ_empty() rather than open coding it.

Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230320135009.47170-1-ilpo.jarvinen@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 75535749

drivers/tty/serial/ucc_uart.c

+2 −3
Original line number Diff line number Diff line
@@ -366,15 +366,14 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) 
	/* Pick next descriptor and fill from buffer */

	bdp = qe_port->tx_cur;



	while (!(ioread16be(&bdp->status) & BD_SC_READY) &&

	       (xmit->tail != xmit->head)) {

	while (!(ioread16be(&bdp->status) & BD_SC_READY) && !uart_circ_empty(xmit)) {

		count = 0;

		p = qe2cpu_addr(be32_to_cpu(bdp->buf), qe_port);

		while (count < qe_port->tx_fifosize) {

			*p++ = xmit->buf[xmit->tail];

			uart_xmit_advance(port, 1);

			count++;

			if (xmit->head == xmit->tail)

			if (uart_circ_empty(xmit))

				break;

		}