memcpy_fromio(xfer->rx.buf, shmem->msg_payload + 4, xfer->rx.len);
}
+void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem,
+ size_t max_len, struct scmi_xfer *xfer)
+{
+ /* Skip only the length of header in shmem area i.e 4 bytes */
+ xfer->rx.len = min_t(size_t, max_len, ioread32(&shmem->length) - 4);
+
+ /* Take a copy to the rx buffer.. */
+ memcpy_fromio(xfer->rx.buf, shmem->msg_payload, xfer->rx.len);
+}
+
+void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem)
+{
+ iowrite32(SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE, &shmem->channel_status);
+}
+
bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
struct scmi_xfer *xfer)
{