Merge "rpmsg: qcom_smd: Ensure ordering of channel info updates"

drivers/rpmsg/qcom_smd.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -855,6 +855,9 @@ static int qcom_smd_write_fifo(struct qcom_smd_channel *channel,
		word_aligned);
		}

		/* Ensure ordering of channel info updates */
		wmb();

		head += count;
		head &= (channel->fifo_size - 1);
		SET_TX_CHANNEL_INFO(channel, head, head);