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Diffstat (limited to 'drivers/rpmsg')
-rw-r--r--drivers/rpmsg/qcom_glink_native.c46
1 files changed, 13 insertions, 33 deletions
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 916c0dbe4213..1beb40a1d3df 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1324,7 +1324,7 @@ static int __qcom_glink_send(struct glink_channel *channel,
int ret;
unsigned long flags;
int chunk_size = len;
- int left_size = 0;
+ size_t offset = 0;
if (!glink->intentless) {
while (!intent) {
@@ -1358,49 +1358,29 @@ static int __qcom_glink_send(struct glink_channel *channel,
iid = intent->id;
}
- if (wait && chunk_size > SZ_8K) {
- chunk_size = SZ_8K;
- left_size = len - chunk_size;
- }
- req.msg.cmd = cpu_to_le16(GLINK_CMD_TX_DATA);
- req.msg.param1 = cpu_to_le16(channel->lcid);
- req.msg.param2 = cpu_to_le32(iid);
- req.chunk_size = cpu_to_le32(chunk_size);
- req.left_size = cpu_to_le32(left_size);
-
- ret = qcom_glink_tx(glink, &req, sizeof(req), data, chunk_size, wait);
-
- /* Mark intent available if we failed */
- if (ret) {
- if (intent)
- intent->in_use = false;
- return ret;
- }
-
- while (left_size > 0) {
- data = (void *)((char *)data + chunk_size);
- chunk_size = left_size;
- if (chunk_size > SZ_8K)
+ while (offset < len) {
+ chunk_size = len - offset;
+ if (chunk_size > SZ_8K && wait)
chunk_size = SZ_8K;
- left_size -= chunk_size;
- req.msg.cmd = cpu_to_le16(GLINK_CMD_TX_DATA_CONT);
+ req.msg.cmd = cpu_to_le16(offset == 0 ? GLINK_CMD_TX_DATA : GLINK_CMD_TX_DATA_CONT);
req.msg.param1 = cpu_to_le16(channel->lcid);
req.msg.param2 = cpu_to_le32(iid);
req.chunk_size = cpu_to_le32(chunk_size);
- req.left_size = cpu_to_le32(left_size);
+ req.left_size = cpu_to_le32(len - offset - chunk_size);
- ret = qcom_glink_tx(glink, &req, sizeof(req), data,
- chunk_size, wait);
-
- /* Mark intent available if we failed */
+ ret = qcom_glink_tx(glink, &req, sizeof(req), data + offset, chunk_size, wait);
if (ret) {
+ /* Mark intent available if we failed */
if (intent)
intent->in_use = false;
- break;
+ return ret;
}
+
+ offset += chunk_size;
}
- return ret;
+
+ return 0;
}
static int qcom_glink_send(struct rpmsg_endpoint *ept, void *data, int len)