diff mbox

[1/2] mailbox: check for bit set before polling

Message ID 1422861544-20667-1-git-send-email-jaswinder.singh@linaro.org
State Accepted
Commit 01340df8d3cd4d8f1773d5f1f569b77bbfce31ad
Headers show

Commit Message

Jassi Brar Feb. 2, 2015, 7:19 a.m. UTC 
From: Jassi Brar <jassisinghbrar@gmail.com>

Before polling we just need to see if the TXDONE_BY_POLL bit
is set in txdone_method. There may be another bit (method)
specified as well, like TXDONE_BY_ACK.

Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
---
 drivers/mailbox/mailbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 59aad4d..19b491d 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -87,7 +87,7 @@  static void msg_submit(struct mbox_chan *chan)
 exit:
 	spin_unlock_irqrestore(&chan->lock, flags);
 
-	if (!err && chan->txdone_method == TXDONE_BY_POLL)
+	if (!err && (chan->txdone_method & TXDONE_BY_POLL))
 		poll_txdone((unsigned long)chan->mbox);
 }