[PATCH 5.10 430/663] mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 22:10:14 EST


From: Magnum Shan <magnum.shan@xxxxxxxxxx>

[ Upstream commit 4450f128c51160bfded6b483eba37d0628d7adb2 ]

According to the specification, bit[2] represents SPRD_OUTBOX_FIFO_FULL,
not bit[0], so correct it.

Fixes: ca27fc26cd22 ("mailbox: sprd: Add Spreadtrum mailbox driver")
Signed-off-by: Magnum Shan <magnum.shan@xxxxxxxxxx>
Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mailbox/sprd-mailbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mailbox/sprd-mailbox.c b/drivers/mailbox/sprd-mailbox.c
index f6fab24ae8a9a..4c325301a2fe8 100644
--- a/drivers/mailbox/sprd-mailbox.c
+++ b/drivers/mailbox/sprd-mailbox.c
@@ -35,7 +35,7 @@
#define SPRD_MBOX_IRQ_CLR BIT(0)

/* Bit and mask definiation for outbox's SPRD_MBOX_FIFO_STS register */
-#define SPRD_OUTBOX_FIFO_FULL BIT(0)
+#define SPRD_OUTBOX_FIFO_FULL BIT(2)
#define SPRD_OUTBOX_FIFO_WR_SHIFT 16
#define SPRD_OUTBOX_FIFO_RD_SHIFT 24
#define SPRD_OUTBOX_FIFO_POS_MASK GENMASK(7, 0)
--
2.27.0