[PATCH] mailbox: no error log in mbox_client_txdone() for tx done by irq

[joe_zhuchg]

From: Joe Zhu <Chunguang.Zhu@xxxxxxxxxxxxxxx>

client does not know and not care about how controller implement tx done.
mbox_client_txdone() may be called when controller uses irq method.

Signed-off-by: Joe Zhu <Chunguang.Zhu@xxxxxxxxxxxxxxx>
---
 drivers/mailbox/mailbox.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 0b821a5b2db8..116124adf188 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -189,7 +189,9 @@ EXPORT_SYMBOL_GPL(mbox_chan_txdone);
 void mbox_client_txdone(struct mbox_chan *chan, int r)
 {
 	if (unlikely(!(chan->txdone_method & TXDONE_BY_ACK))) {
-		dev_err(chan->mbox->dev, "Client can't run the TX ticker\n");
+		if (unlikely(!(chan->txdone_method & TXDONE_BY_IRQ)))
+			dev_err(chan->mbox->dev,
+			       "Client can't run the TX ticker\n");
 		return;
 	}
 
-- 
2.17.1