Commit 09a39ec9 authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Li Yang
Browse files

serial: ucc_uart: access __be32 field using be32_to_cpu 



The buf member of struct qe_bd is a __be32, so to make this work on
little-endian hosts, use be32_to_cpu when reading it.

Reviewed-by: default avatarTimur Tabi <timur@kernel.org>
Acked-by: default avatarTimur Tabi <timur@kernel.org>
Signed-off-by: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent b0816f88

drivers/tty/serial/ucc_uart.c

+3 −3
Original line number Diff line number Diff line
@@ -343,7 +343,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) 
		/* Pick next descriptor and fill from buffer */

		bdp = qe_port->tx_cur;



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

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



		*p++ = port->x_char;

		qe_iowrite16be(1, &bdp->length);
@@ -371,7 +371,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) 
	while (!(qe_ioread16be(&bdp->status) & BD_SC_READY) &&

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

		count = 0;

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

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

		while (count < qe_port->tx_fifosize) {

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

			xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -491,7 +491,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port) 
		}



		/* get pointer */

		cp = qe2cpu_addr(bdp->buf, qe_port);

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



		/* loop through the buffer */

		while (i-- > 0) {

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