[PATCH 4/7] mailbox: altera: Remove unused altera_mbox_peek_data

[Hector Martin]

This op was ambiguously specified, and the way it was interpreted for
this implementation is not useful. It has no users, so remove it.

Signed-off-by: Hector Martin <marcan at marcan.st>
---
 drivers/mailbox/mailbox-altera.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/mailbox/mailbox-altera.c b/drivers/mailbox/mailbox-altera.c
index afb320e9d69c..30de424df371 100644
--- a/drivers/mailbox/mailbox-altera.c
+++ b/drivers/mailbox/mailbox-altera.c
@@ -238,13 +238,6 @@ static bool altera_mbox_last_tx_done(struct mbox_chan *chan)
 	return altera_mbox_full(mbox) ? false : true;
 }
 
-static bool altera_mbox_peek_data(struct mbox_chan *chan)
-{
-	struct altera_mbox *mbox = mbox_chan_to_altera_mbox(chan);
-
-	return altera_mbox_pending(mbox) ? true : false;
-}
-
 static int altera_mbox_startup(struct mbox_chan *chan)
 {
 	struct altera_mbox *mbox = mbox_chan_to_altera_mbox(chan);
@@ -279,7 +272,6 @@ static const struct mbox_chan_ops altera_mbox_ops = {
 	.startup = altera_mbox_startup,
 	.shutdown = altera_mbox_shutdown,
 	.last_tx_done = altera_mbox_last_tx_done,
-	.peek_data = altera_mbox_peek_data,
 };
 
 static int altera_mbox_probe(struct platform_device *pdev)
-- 
2.35.1