diff options
| -rw-r--r-- | drivers/soc/qcom/qcom_aoss.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index fe79661d28cb..f43a2e07ee83 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -225,6 +225,7 @@ static bool qmp_message_empty(struct qmp *qmp) static int qmp_send(struct qmp *qmp, const void *data, size_t len) { long time_left; + size_t tlen; int ret; if (WARN_ON(len + sizeof(u32) > qmp->size)) @@ -239,6 +240,9 @@ static int qmp_send(struct qmp *qmp, const void *data, size_t len) __iowrite32_copy(qmp->msgram + qmp->offset + sizeof(u32), data, len / sizeof(u32)); writel(len, qmp->msgram + qmp->offset); + + /* Read back len to confirm data written in message RAM */ + tlen = readl(qmp->msgram + qmp->offset); qmp_kick(qmp); time_left = wait_event_interruptible_timeout(qmp->event, |