[PATCH 9/9] rpmsg: ns: name service announcement endianness

[Arnaud Pouliquen]

The endianness has to be fixed to ensure that both sides can
decode the message. The Little endian format is used according
to the generic virtio implementation.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliq...@st.com>
---
 drivers/rpmsg/rpmsg_ns.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/rpmsg/rpmsg_ns.c b/drivers/rpmsg/rpmsg_ns.c
index cc2bd47c415a..b478e2b55213 100644
--- a/drivers/rpmsg/rpmsg_ns.c
+++ b/drivers/rpmsg/rpmsg_ns.c
@@ -33,8 +33,8 @@ enum rpmsg_ns_flags {
  */
 struct rpmsg_ns_msg {
        char name[RPMSG_NAME_SIZE];
-       u32 addr;
-       u32 flags;
+       __le32 addr;
+       __le32 flags;
 } __packed;
 
 /**
@@ -57,8 +57,8 @@ static int rpmsg_ns_channel_announce(struct rpmsg_device 
*rpdev, int ns_flag)
                return -EINVAL;
 
        strncpy(nsm.name, rpdev->id.name, RPMSG_NAME_SIZE);
-       nsm.addr = rpdev->ept->addr;
-       nsm.flags = ns_flag;
+       nsm.addr = cpu_to_le32(rpdev->ept->addr);
+       nsm.flags = cpu_to_le32(ns_flag);
 
        return rpmsg_send_offchannel(rpdev->ept, RPMSG_NS_ADDR, RPMSG_NS_ADDR,
                                     &nsm, sizeof(nsm));
@@ -84,6 +84,7 @@ static int rpmsg_ns_cb(struct rpmsg_device *rpdev, void 
*data, int len,
        struct rpmsg_device *newch;
        struct rpmsg_channel_info chinfo;
        struct device *dev = &rpdev->dev;
+       unsigned int flags = le32_to_cpu(msg->flags);
        int ret;
 
 #if defined(CONFIG_DYNAMIC_DEBUG)
@@ -101,13 +102,13 @@ static int rpmsg_ns_cb(struct rpmsg_device *rpdev, void 
*data, int len,
 
        strncpy(chinfo.name, msg->name, sizeof(chinfo.name));
        chinfo.src = RPMSG_ADDR_ANY;
-       chinfo.dst = msg->addr;
+       chinfo.dst = le32_to_cpu(msg->addr);
 
        dev_info(dev, "%sing channel %s addr 0x%x\n",
-                msg->flags & RPMSG_NS_DESTROY ? "destroy" : "creat",
-                msg->name, msg->addr);
+                flags & RPMSG_NS_DESTROY ? "destroy" : "creat",
+                msg->name, chinfo.dst);
 
-       if (msg->flags & RPMSG_NS_DESTROY) {
+       if (flags & RPMSG_NS_DESTROY) {
                ret = rpmsg_release_channel(rpdev, &chinfo);
                if (ret)
                        dev_err(dev, "rpmsg_destroy_channel failed: %d\n", ret);
-- 
2.17.1