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

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
...@@ -343,7 +343,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) ...@@ -343,7 +343,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
/* Pick next descriptor and fill from buffer */ /* Pick next descriptor and fill from buffer */
bdp = qe_port->tx_cur; 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; *p++ = port->x_char;
qe_iowrite16be(1, &bdp->length); qe_iowrite16be(1, &bdp->length);
...@@ -371,7 +371,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) ...@@ -371,7 +371,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
while (!(qe_ioread16be(&bdp->status) & BD_SC_READY) && while (!(qe_ioread16be(&bdp->status) & BD_SC_READY) &&
(xmit->tail != xmit->head)) { (xmit->tail != xmit->head)) {
count = 0; 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) { while (count < qe_port->tx_fifosize) {
*p++ = xmit->buf[xmit->tail]; *p++ = xmit->buf[xmit->tail];
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); 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) ...@@ -491,7 +491,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port)
} }
/* get pointer */ /* get pointer */
cp = qe2cpu_addr(bdp->buf, qe_port); cp = qe2cpu_addr(be32_to_cpu(bdp->buf), qe_port);
/* loop through the buffer */ /* loop through the buffer */
while (i-- > 0) { while (i-- > 0) {
......
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