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Subject[PATCH v4 33/47] serial: ucc_uart: access __be32 field using be32_to_cpu
Date
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.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
drivers/tty/serial/ucc_uart.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index f5ea84928a3b..a5330582b610 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -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) {
--
2.23.0
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