Merge tag 'mailbox-fixes-v5.0-rc7' of git://git.linaro.org/landing-te…

…ams/working/fujitsu/integration

Pull mailbox fixes from Jassi Brar:

 - API: Fix build breakge by exporting the function mbox_flush

 - BRCM: Fix FlexRM ring flush timeout issue

* tag 'mailbox-fixes-v5.0-rc7' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: bcm-flexrm-mailbox: Fix FlexRM ring flush timeout issue
  mailbox: Export mbox_flush()

drivers/mailbox/bcm-flexrm-mailbox.c

@@ -1396,9 +1396,9 @@ static void flexrm_shutdown(struct mbox_chan *chan)
 
 	/* Clear ring flush state */
 	timeout = 1000; /* timeout of 1s */
-	writel_relaxed(0x0, ring + RING_CONTROL);
+	writel_relaxed(0x0, ring->regs + RING_CONTROL);
 	do {
-		if (!(readl_relaxed(ring + RING_FLUSH_DONE) &
+		if (!(readl_relaxed(ring->regs + RING_FLUSH_DONE) &
 		      FLUSH_DONE_MASK))
 			break;
 		mdelay(1);

drivers/mailbox/mailbox.c

@@ -310,6 +310,7 @@ int mbox_flush(struct mbox_chan *chan, unsigned long timeout)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(mbox_flush);
 
 /**
  * mbox_request_channel - Request a mailbox channel.