From b7313f1d65d668ad0056ca1d93a9017ebb78aeaf Mon Sep 17 00:00:00 2001 From: Ilpo Järvinen Date: Mon, 20 Mar 2023 15:50:08 +0200 Subject: serial: ucc_uart: Use uart_circ_empty() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use uart_circ_empty() rather than open coding it. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20230320135009.47170-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/ucc_uart.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/tty') diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index 676840847962..404230c1ebb2 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -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; } -- cgit v1.2.3